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ATI Radeon X1950 Pro with Native CrossFire
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Date: Oct 17, 2006
Section:Graphics/Sound
Author: Marco Chiappetta
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Introduction, Specifications, and Related Info

It's been only seven short weeks since ATI officially unveiled four additions to the X1K family of products, and here we are again with yet another new Radeon poised to shake-up the mid-range segment of the market. The new Radeon X1950 Pro is based on the GPU formerly codenamed RV570. but unlike the R580 variants used on the other members of the X1900 family which are built on TSMC's 90nm line, the RV570 is built on the company's 80nm node. The RV570 also has a different pixel shader / vertex shader configuration, and in perhaps the biggest departure from the R580, the RV570 has native CrossFire support.  That's right folks - no more CrossFire Master cards and the much maligned external dongle is a thing of the past as well.

We've recently got our hands on a pair of Radeon X1950 Pro cards and have our thoughts and experiences with them laid out for you on the pages ahead.  Read on to see what ATI has in store for the mid-range segment of the market as we head into the pre-Vista, holiday buying season.

ATI Radeon X1950 Pro
Features & Specifications
Features
- 80nm fabrication process
- 36 pixel shader processors
- 8 vertex shader processors
- Up to 256-bit 8-channel memory interface
- Native PCI Express x16 bus interface

Ring Bus Memory Controller
- Internal ring bus for memory reads
- Fully associative texture, color, and Z/stencil cache designs
- Hierarchical Z-buffer with Early Z test
- Lossless Z Compression (up to 48:1)
- Fast Z-Buffer Clear
- Optimized for performance at high display resolutions, including widescreen HDTV resolutions

Ultra-Threaded Shader Engine
- Support for Microsoft DirectX 9.0 Shader Model 3.0 programmable vertex and pixel shaders in hardware
- Full speed 128-bit floating point processing for all shader operations
- Up to 512 simultaneous pixel threads
- Dedicated branch execution units for high performance dynamic branching and flow control
- Dedicated texture address units for improved efficiency
- 3Dc+ texture compression o High quality 4:1 compression for normal maps and two channel data formats
- High quality 2:1 compression for luminance maps and single-channel data formats
- Complete feature set also supported in OpenGL 2.0

Advanced Image Quality Features
- 64-bit floating point HDR rendering supported throughout the pipeline
o Includes support for blending and multi-sample anti-aliasing
- 32-bit integer HDR (10:10:10:2) format supported throughout the pipeline
o Includes support for blending and multi-sample anti-aliasing
- 2x/4x/6x Anti-Aliasing modes
o Multi-sample algorithm with gamma correction, programmable sparse sample
patterns, and centroid sampling
o New Adaptive Anti-Aliasing feature with Performance and Quality modes
o Temporal Anti-Aliasing mode
o Lossless Color Compression (up to 6:1) at all resolutions, including widescreen HDTV resolutions
- 2x/4x/8x/16x Anisotropic Filtering modes
o Up to 128-tap texture filtering
o Adaptive algorithm with Performance and Quality options
- High resolution texture support (up to 4k x 4k)
Avivo Video and Display Platform
- High performance programmable video processor
o Accelerated MPEG-2, MPEG-4, DivX, WMV9, VC-1, and H.264 decoding and
transcoding
o DXVA support
o De-blocking and noise reduction filtering
o Motion compensation, IDCT, DCT and color space conversion
o Vector adaptive per-pixel de-interlacing
o 3:2 pulldown (frame rate conversion)
- Seamless integration of pixel shaders with video in real time
- HDR tone mapping acceleration
o Maps any input format to 10 bit per channel output
- Flexible display support
o Dual integrated dual-link DVI transmitters
o Dual integrated 10 bit per channel 400 MHz DACs
o 16 bit per channel floating point HDR and 10 bit per channel DVI output
o Programmable piecewise linear gamma correction, color correction, and color space
conversion (10 bits per color)
o Complete, independent color controls and video overlays for each display
o High quality pre- and post-scaling engines, with underscan support for all outputs
o Content-adaptive de-flicker filtering for interlaced displays
o Xilleon TV encoder for high quality analog output
o YPrPb component output for direct drive of HDTV displays
o Spatial/temporal dithering enables 10-bit color quality on 8-bit and 6-bit displays
o Fast, glitch-free mode switching
o VGA mode support on all outputs
o Drive two displays simultaneously with independent resolutions and refresh rates
- Compatible with ATI TV/Video encoder products, including Theater 550

CrossFire
- Multi-GPU technology
- Four modes of operation:
o Alternate Frame Rendering (maximum performance)
o Supertiling (optimal load-balancing)
o Scissor (compatibility)
o Super AA 8x/10x/12x/14x (maximum image quality)
 


There is a myriad of information related to today's launch already available on our site that will help you get familiar with the GPU architectures and key features employed on the Radeon X1950 Pro cards we'll be showcasing here. The Radeon X1950 Pro has a number of features in common with other cards in the Radeon X1K family of products, and we've detailed the features of the Radeon Xpress 3200 chipset and ATI's CrossFire multi-GPU technology in a few past articles as well.

If you haven't already done so, we recommend scanning through our CrossFire Multi-GPU technology preview, the CrossFire Xpress 3200 chipset evaluation, the X1K family review, and the Radeon X1900 CrossFire evaluation. In those four articles, we cover the vast majority of the features offered by the Radeon X1950 Pro. There is quite a bit of background information in those articles that laid the foundation for what we're going to showcase here today.

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The Radeon X1950 Pro

The new Radeon X1950 Pro looks nothing like any of the other cards in the Radeon family, due to its slim, single slot cooler, revamped PCB, and new features, which we'll detail shortly.

         

The card pictured here is a 256MB, "Built by ATI" Radeon X1950 Pro.  It's equipped with an all-copper, single-slot cooler that draws heat away from the GPU and the on-board RAM.  Like the more powerful X1950 XTX, the cooler's fan is set way back on the card.  It draws air into the red shroud, blows it across the cooler's copper fins, and its ultimately expelled from the cooler just behind the DVI ports.  If you look closely, you'll see that the entire surface of this cooler is covered with fins and that they're curved for optimal airflow. The design results in a massive amount of surface area, which aided in keeping the card nice and cool throughout testing. The cooler also turned out to be relatively quiet, which is another plus in our opinion.

      

All Radeon X1950 Pros will be equipped with dual, dual-link DVI outputs and a TV output. Most partners will also be outfitting their cards with the necessary crypto-ROMs for HDCP compliance, so playing back next-gen protected content shouldn't be a problem.

         

To accommodate its new GPU and its inherent features, ATI also designed a new PCB for the Radeon X1950 Pro. The RV570 GPU at the heart of this card is manufactured on TSMC's 80nm node. It's equipped with 36 pixel shader processors, 8 vertex shader units and 12 texture units. ATI's reference design calls for a 575MHz GPU clock and with 1.38GHz memory.  The RV570 GPU seems to have modest power requirements, as is evident by the barren VRM area at the end of the card.  Although, it does still require a supplemental 6-pin PCI Express power feed.  The move to 80nm also results in a relatively small die compared to ATI's current offerings.  According to our trusty ruler, the RV570 is about 13.5mm x 16.5mm, or roughly 222mm2.

      

The most interesting feature of the Radeon X1950 Pro, however, is Native CrossFire support.  ATI has done away with the "Master" and "Slave" cards, and has incorporated the discreet compositing engine previously found on their CrossFire Master cards right into the GPU die. The result is that the clunky, external dongle is a thing of the past. To run X1950 Pro cards in a CrossFire configuration, all you have to do is connect them via a pair of internal ribbon cables, similar to NVIDIA's SLI bridge.  Unlike the NVIDIA platform though, these ribbon cables will be bundled with the video cards and not the motherboards, because there are a plethora of Intel 975 and P965 boards already available that are CrossFire compatible, that don't ship with the appropriate cables.  ATI will be including one CrossFire connector with each card moving forward.

We did some experimenting with the Radeon X1950 Pro while running in a CrossFire configuration and found that it behaved much like previous CrossFire-enabled systems.  Users still have to connect their monitors to the card in the primary graphics slot on the motherboard, and the benefits of the AVIVO engine can only be enjoyed when CrossFire is disabled -- although we're told this will be changing in a future driver release.  Unlike older CrossFire configurations, however, videos and DVDs can be played back with CrossFire enabled.  They just don't get enhanced by AVIVO. Another side benefit of Native CrossFire support is that users can now run four independent displays when CrossFire is disabled, because the DVI port previously consumed by the dongle has been freed up.

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Our Test Systems and 3DMark06

HOW WE CONFIGURED THE TEST SYSTEMS: We tested the NVIDIA based cards used in this article on an Asus A8N32-SLI nForce 4 SLIX16 chipset based motherboard. The ATI powered cards, however, were tested on an A8R32-MVP motherboard based on the CrossFire Xpress 3200 chipset. Both systems used the same AMD Athlon 64 FX-60 dual-core processor and 2GB of RAM. The first thing we did when configuring these test systems was enter each BIOS and loaded their "High Performance Defaults."  The hard drives were then formatted, and Windows XP Pro was installed. When the installation was complete, we installed the latest chipset drivers available, installed all of the other drivers necessary for the rest of our components, and removed Windows Messenger from the system.  Auto-Updating and System Restore were disabled, the hard drive was defragmented, and a 1024MB permanent page file was created on the same partition as the Windows installation. Lastly, we set Windows XP's Visual Effects to "best performance," installed all of the benchmarking software, and ran the tests.

The HotHardware Test Systems
AMD Athlon 64 FX Powered

Processor -

Motherboard -





Video Cards -








Memory -


Audio -

Hard Driv
e -

 

Hardware Used:
AMD Athlon 64 FX-60 (2.6GHz x 2)

Asus A8N32-SLI
nForce4 SLIX16 chipset

Asus A8R32-MVP
ATI CrossFire Xpress 3200

GeForce 7900 GTX (x2)

GeForce 7950 GT (x2)
GeForce 7900 GT
GeForce 7900 GS
Radeon X1950 Pro (x2)
Radeon X1950 XTX (x2)
Radeon X1900 XT 256MB


2048MB Corsair XMS PC3200 RAM
CAS 2

Integrated on board

Western Digital "Raptor"

74GB - 10,000RPM - SATA

Operating System -
Chipset Drivers -
DirectX -

Video Drivers
-




Synthetic (DX) -
DirectX -
DirectX -
DirectX -
OpenGL -
Relevant Software:
Windows XP Professional SP2
nForce Drivers v6.86
DirectX 9.0c (August Redist.)

NVIDIA Forceware v91.45

ATI Catalyst v6.8/6.9B


Benchmarks Used:
3DMark06 v1.0.2
FarCry v1.33*
F.E.A.R. v1.07
Half Life 2: Episode 1*
Prey*

* - Custom Test (HH Exclusive demo)
Performance Comparisons with 3DMark06 v1.0.2
Details: http://www.futuremark.com/products/3dmark06/

3DMark06
3DMark06 is the latest addition to the 3DMark franchise. This version differs from 3Dmark05 in a number of ways, and now includes not only Shader Model 2.0 tests, but Shader Model 3.0 and HDR tests as well. Some of the assets from 3DMark05 have been re-used, but the scenes are now rendered with much more geometric detail and the shader complexity is vastly increased as well. Max shader length in 3DMark05 was 96 instructions, while 3DMark06 ups the number of instructions to 512. 3DMark06 also employs much more lighting, and there is extensive use of soft shadows. With 3DMark06, Futuremark has also updated how the final score is tabulated. In this latest version of the benchmark, SM 2.0 and HDR / SM3.0 tests are weighted and the CPU score is factored into the final tally as well.

We've broken up our graphs into two sections in an effort to make them a bit easier to read. The top portion of each graph consists of all the single GPU configurations we tested and the bottom half is made up of all the multi-GPU configurations.

As you can see, the new Radeon X1950 Pro performs about on-par with a GeForce 7900 GT in a single-GPU setup, and just behind the 256MB Radeon X1900 XT.  In native CrossFire mode, the X1950 Pros trail the other configurations we tested, but keep in mind the X1950 Pros are also the least expensive of the bunch.

When we break down the individual results from the 3DMark06 benchmark, we see the X1950 Pro trailing all of its NVIDIA powered counterparts in the Shader Model 2.0 test, with the exception of the GeForce 7900 GS which finished 130 point behind.

The same basic trend that was seen in the Shader Model 2.0 test, holds true in the HDR/Shader Model 3.0 tests as well. Although the X1950 Pro still trailed most of its competition here, its lead over the GeForce 7900 GS increased to over 300 points.

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Half Life 2: Episode 1

Performance Comparisons with Half-Life 2: Episode 1
Details: http://www.half-life2.com/

Half Life 2: Episode 1
Thanks to the dedication of hardcore PC gamers and a huge mod-community, the original Half-Life became one of the most successful first person shooters of all time.  So, when Valve announced Half-Life 2 was close to completion, gamers the world over sat in eager anticipation. Upon its release, HL2 was universally lauded, and the sequel won an array of "Game of the Year" awards. Armed with the latest episodic update to HL2, Episode 1, we benchmarked the game with a long, custom-recorded timedemo that takes us through both outdoor and indoor environments. These tests were run at resolutions of 1,280 x 1,024 and 1,600 x 1,200 with 4X anti-aliasing and 16X anisotropic filtering enabled concurrently, and with color correction and HDR rendering enabled in the game engine as well.

 

Once again, the new Radeon X1950 Pro's performance in a single card configuration falls somewhere in between the GeForce 7900 GS and 7950 GT, and right about on-par with the GeForce 7900 GT.  The 256MB Radeon X1900 XT was significantly faster at both resolutions, however.

In a dual card CrossFire configuration, the X1950 Pros performed very well at the lower resolution, actually besting the 7900 GTX and 7950 GT SLI configurations, but once the resolution was jacked up to 1600x1200, the NVIDIA powered offerings came charging back and outperformed the X1950 Pros by about 15% to 22%.

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FarCry v1.33

Performance Comparisons with FarCry v1.33
Details: http://www.farcry.ubi.com/

FarCry
If you've been on top of the gaming scene for some time, you probably know that FarCry was one of the most visually impressive games to be released on the PC in the last few years.  Courtesy of its proprietary engine, dubbed "CryEngine" by its developers, FarCry's game-play is enhanced by Polybump mapping, advanced environment physics, destructible terrain, dynamic lighting, motion-captured animation, and surround sound. Before titles such as Half-Life 2 and Doom 3 hit the scene, FarCry gave us a taste of what was to come in next-generation 3D gaming on the PC. We benchmarked the graphics cards in this article with a fully patched version of FarCry using a custom-recorded demo run taken in the "Catacombs" area checkpoint. The tests were run at various resolutions with 4X AA and 16X aniso enabled concurrently.

Our custom FarCry benchmark proved to be somewhat of a strong point for the Radeon X1950 Pro. When running in a single card configuration, the X1950 Pro outpaced the 7900 GS and GT, and just barely missed the mark set by the 7950 GT, especially at the higher resolution.

However, while running in a dual card CrossFire configuration, the new Radeon X1950 Pros scaled very well and were able to surpass the GeForce 7900 GTX and 7950 GT SLI rigs.  We should note that had we run these tests with 8X anisotropic filtering instead, the NVIDIA card's would likely have fared a bit better.  With 16X aniso enabled in FarCry, NVIDIA's cards take a slightly larger hit in performance than ATI's.

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F.E.A.R. v1.07

Performance Comparisons with F.E.A.R
More Info: http://www.whatisfear.com/us/

F.E.A.R
One of the most highly anticipated titles of 2005 was Monolith's paranormal thriller F.E.A.R. Taking a look at the game's minimum system requirements, we see that you will need at least a 1.7GHz Pentium 4 with 512MB of system memory and a 64MB graphics card in the Radeon 9000 or GeForce4 Ti-classes or better, to adequately run the game. Using the full retail release of the game patched to v1.07, we put the graphics cards in this article through their paces to see how they fared with a popular title. Here, all graphics settings within the game were set to their maximum values, but with soft shadows disabled (Soft shadows and anti-aliasing do not work together currently). Benchmark runs were then completed at resolutions of 1,280x960 and 1,600x1,200, with anti-aliasing and anisotropic filtering enabled.

 

Things couldn't have been any closer in the F.E.A.R. benchmark. As you can see from the results above, the Radeon X1950 Pro and GeForce 7900 GT finished with the exact same scores at both resolution when running in single card configurations, which were about 10% to 15% behind the GeForce 7950 GT.

In a dual card CrossFire configuration though, the Radeon X1950 Pros didn't scale all that well.  In fact, the 7950 GT SLI configuration shot ahead of the X1950 CrossFire rig by roughly 30 FPS at both resolutions because the NVIDIA multi-GPU setup scaled much better.

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Prey Performance

Performance Comparisons with Prey
Details: http://www.prey.com/

Prey
After many years of development, Take-Two Interactive recently released the highly anticipated game Prey. Prey is based upon an updated and modified version of the Doom 3 engine, and as such performance characteristics between the two titles are very similar.  Like Doom 3, Prey is also an OpenGL game that uses extremely high-detailed textures and a plethora of dynamic lighting and shadows.  But unlike Doom3, Prey features a fare share of outdoor environments as well.  We ran these Prey benchmarks using a custom recorded timedemo with the game set to its "High-Quality" graphics mode, at resolutions of 1,280 x 1,024 and 1,600 x 1,200 with 4X AA and 16X anisotropic filtering enabled simultaneously.

 

The Radeon X1950 Pro performed relatively well in our custom Prey benchmark. In the single card tests, the X1950 Pro trailed all but the similarly priced GeForce 7900 GS, but it was right up behind the GeForce 7900 GT. In a dual card CrossFire configuration, the new Radeon X1950 Pros also performed fairly well, although they were unable to catch any of the more expensive offerings.

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Super-AA and Video Performance

Due to the fact that ATI has incorporated their compositing engine onto the GPU die, we decided to run a handful of tests using the various Super-AA modes available when running a pair of X1950 Pro cards in a CrossFire configuration, and compare the results to those attained with NVIDIA's Quad-SLI. Please note, the compositing engine used on the X1950 Pro should offer higher-performance in Super-AA modes than the original engine used on the early Radeon Master cards. The X1950's compositing engine can do the final blend with each individual card running at full speed, which should result in higher performance.

CrossFire AA Performance: FarCry v1.33
Upping the Number of Samples

Obviously, comparing ATI's mid-range offering to NVIDIA's current flagship isn't exactly an "apples to apples" scenario, but the data shows the benefit of ATI's compositing engine regardless.  As the number of samples is increased, ATI's architecture takes less of a performance hit, and as such, the Radeon X1950 Pro CrossFire rig with 14X Super-AA is able to hang just behind a Quad-SLI rig when it's running in SLI16X mode.  SLI32X AA performance is much lower than any of the ATI modes, but that's to be expected given the level of pixel processing being applied to the image.  What also interesting to note is that the Super-AA modes that also incorporate 2X super-sampling (10x and 14x) out perform the other modes by a decent amount.  It seems incorporating the compositing engine into the GPU die results in somewhat better performance because frame data is worked on by a single chip now.

WMV-HD Decode Acceleration
PureVideo & AVIVO Performance Explored

For our next round of tests we took another look at Digital Video processing performance between the two competing core GPU architectures. "PureVideo" technology is at work here for NVIDIA and "AVIVO" drives the ATI X1950 Pro card.

To illustrate CPU utilization when playing back WMV HD content, we used the Performance Monitor built into Windows XP. Using the data provided by Windows Performance Monitor, we created a log file that sampled the percent of CPU utilization every second, while playing back the 1080p version of the "Coral Reef Adventure" video available for download on Microsoft's WMVHD site. The CPU utilization data was then imported into Excel to create the graph below. The graph shows the CPU utilization for a GeForce 7950 GX2 and a Radeon X1950 Pro using Windows Media Player 10, patched using the DXVA updates posted on Microsoft's web site (Updates Available Here).


Average CPU Utilization (Athlon 64 FX-60 @ 2.6GHz x 2)

GeForce 7950 GX2 Radeon X1950 Pro
21.38% 23.16%

The GeForce 7950 GX2 and Radeon X1950 Pro performed similarly during the HD video playback test. Technically, the GeForce used slightly fewer CPU resources, but the difference is negligible.

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Overclocking The Radeon X1950 Pro

For our next set of performance metrics, we spent a little time overclocking the Radeon X1950 Pro using the clock frequency slider available within ATI's drivers, under the "Overdrive" tab.

Overclocking the Radeon X1950 Pro
(Fastest 3D Video Cards) + Overclocking = Even Faster Cards

To find each card's peak core and memory frequencies, we slowly raised their respective sliders until we begun to see visual artifacts on-screen while running a game or benchmark, or until our test system was no longer stable.  During our testing, we found that ATI's built-in optimal clock speed detection mechanism didn't work well with the X1950 Pros in its current state, as it would cause an error and trigger a VPU recovery. Manually tweaking the clocks seemed to function properly, however.


Radeon X1950 Pro - Overclocked Speeds: 614MHz Core / 712MHz (1.42GHz DDR) Memory
Radeon X1950 Pro - Default Clock Speeds: 575MHz Core / 690MHz (1.38GHz DDR) Memory

 

 


Radeon X1950 Pro - Overclocked Speeds: 614MHz Core / 712MHz (1.42GHz DDR) Memory
Radeon X1950 Pro - Default Clock Speeds: 575MHz Core / 690MHz (1.38GHz DDR) Memory

When all was said and done, we were able to take the Radeon X1950 Pro up from its default core and memory clock speeds of 575MHz / 690MHz, respectively, to 614MHz / 712MHz, increases of 6.7% and 3.1%. We're not totally confident in these results, however, as the test system would lock without any sort of visual artifacts but the cards were running nice and cool.  As is always the case when overclocking anyway, your mileage may vary.

While we had the card overclocked, we re-ran a couple of benchmarks to see what kind of performance gains would result from the higher clocks.  F.E.A.R.'s frame rate went up by a paltry 1 FPS, while Prey's increased by 3.3 FPS.

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Power Consumption, Noise, and Temps

Total System Power Consumption, Acoustics & Temperatures
It's All About the Watts and Decibels

We have a few final data points to cover before bringing this article to a close. Throughout all of our benchmarking, we monitored how much power our test systems were consuming using a power meter, and also took some notes regarding their noise output. Our goal was to give you all an idea as to how much power each configuration used and to explain how loud the configurations were under load. Please keep in mind that we were testing total system power consumption here, not just the power being drawn by the video cards alone.

Due to the Radeon X1950 Pro's relatively modest clock speeds and the fact that the GPU is manufactured at 80nm, as opposed to the R580's 90nm, power consumption is relatively low.  While idling the Radeon X1950 Pro drew 4 fewer watts than an X1950 XTX, and under load it was the most power-friendly card by far with a peak of around 212 watts.  We also tested the card while running in a CrossFire configuration and found that in that setup they drew 148 watts while idling, and 302 watts under load.

These relative low power consumption numbers translated into fairly low operating temperatures as well. During our testing, we observed idle core GPU temperatures that hovered around 39'C and peak GPU temperatures under load of around 68'C.

The cooler used on the Radeon X1950 Pro was also fairly quiet.  Throughout our testing, the card's fan was never audible over the background noise generated by the PSU, CPU cooler and hard drives.

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Our Summary and Conclusion

Performance Summary: The new Radeon X1950 Pro performed well throughout our entire battery of benchmarks. CPU utilization was competitive to NVIDIA's offering during HD video playback, and in the game tests the Radeon X1950 Pro performed right about where it should according to its proposed MSRP, that is to say it was a bit faster then the GeForce 7900 GS and a bit slower than the 7950 GT, overall.

ATI's latest mid-range offering is a success on a couple of different levels. Building the GPU using TSMC's 80nm process resulted in a smaller die, and relatively low power consumption and operating temperatures. The quiet, single-slot cooler is another plus and native CrossFire support is sure to win over a few consumers who were put off by the external dongle necessary with previous offerings. ATI is also positioning the Radeon X1950 Pro at an affordable price-point.


Prices Courtesy of ATI

According to ATI, the Radeon X1950 Pro will be replacing the X1900 GT in their product stack and will ultimately settled down at about $199 (the proposed MSRP). Initially, ATI expects their partners will price their X1950 Pro cards in the $220 to $240 range, but once availability is widespread prices are expected to drop and hover around MSRP. Speaking of availability, ATI says the Radeon X1950 Pro will be on-sale immediately.  We'll update this portion of the conclusion with actual pricing and availability notes once we find X1950 Pros for sale at some of our favorite resellers.

One thing to keep if you're in the market for a new video card right now is that Windows Vista, which ships with DirectX 10, is looming on the horizon. Although there have been no formal announcements, rumors are running rampant, and you know both NVIDIA and ATI are working on DX10-class hardware with a host of new features and enhancements.  We don't expect initial DX10-class cards to be available for anywhere near $200 (think more along the lines of $600), but next-gen cards are coming soon.  When you'll be able to get one as fast or as affordable as today's mid-range offerings like the new Radeon X1950 Pro, however, is still anyone's guess.

  • Native CrossFire
  • Single-Slot
  • Good Performance
  • Competitive MSRP
  • Relatively Low Power Consumption
  • DX10 is looming
  • Flaky Video Playback with CF enabled

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