Asus Extreme Radeon AX800XL/2DTV

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Introduction

 

Over the years, Asus has built a solid reputation for manufacturing high-quality products, that consistently match or surpass competing products in terms of both performance, features and quality. It is with that kind of backdrop that we present today's review of the Asus Extreme AX800XL.  Based on the ATI Radeon X800 XL VPU, Asus has a solid footing to begin with. The X800 XL is based on the X800 XT VPU, so it comes with the same number of pixel pipelines as its predecessor (16), but it's built on a more advanced .11 micron manufacturing process and comes clocked at lower speeds.  What ultimately makes the X800 XL attractive, however, is the more affordable price and lower power consumption requirements. And in typical Asus fashion, their take on ATI's Radeon X800 XL is somewhat different than similar cards from competing manufacturers.  Read on to see what sets the Asus Extreme AX800XL apart from other products in its class.

    

Asus Extreme AX800XL
Features & Specifications

Asus Extreme AX800 XL
_392MHz engine
_.11 micron
_972MHz memory data rate
_256-bit memory interface
_256MB GDDR3 memory
_16 pixel pipes
_6 vertex pipes
_6.4 Gigapixel/second fill rate
_32.8 GB/s Peak Memory Bandwidth
_HYPER Z support for HD resolutions including Hierarchical Z, color and Z compression
_Hierarchical Z and Early Z
_Z Compression
_Fast Z Clear
_Z/Stencil Cache

Six Vertex Engines
_Workstation class vertex processing power
_600 million polygon transforms per second
_5.7 billion vertex shader operations per second
_Workstation-class performance

High-detail Geometry
_Designed for next-gen games with massive polygon counts
_Allows huge numbers of characters on screen at once
_High definition foliage and particle effects

3Dc Compression Technology
_Lossless Normal Map Compression
_4:1 Normal Map Compression technology

Smart Shader HD
_Long pixel shaders
_1536 instructions per pass
_High-detail geometry shaders
_Infinite length shaders (multipass via F-buffer)
_Single pass trig functions (Sine & Cosine)

SmoothVision HD
_Sparse sample pattern AA with gamma correction
_Temporal AA (up to 12X effective)
_Centroid AA
_16X Anisotropic filtering with adaptive heuristics

HyperZ HD
_Optimized for performance at high display resolutions, including HDTV resolutions
_Lossless z-buffer compression (up to 48:1)
_Rejects up to 256 occluded pixels per clock
_Up to 32 Z/stencil operations/clock

VideoShader HD
_High-quality video processing & acceleration
_Real-time user programmable video effects
_Video post processing and filtering
_MPEG 1, 2, 4 encode and decode acceleration
_FULLSTREAM Video Deblocking
_WMV9 decode acceleration
_High-quality resolution scaling
_Adaptive Per Pixel Deinterlacing
_Motion Compensation
_Noise removal filtering
_Display Rotation

 


Although we have covered this before in previous articles, we've got a chart that compares the features of today's ample list of graphics card solutions. The chart below reflects the current high-end segment of the 3D card market:

As we mentioned in the earlier, the Radeon X800 XL is structured very similar to its predecessor, the X800 XT.  The major differences revolve around the VPU: the manufacturing process used to make the XL is .11 micron instead of .13 micron for the XTs, and XL's core clock speed is lower.  The Radeon X800 XL's 16-pipeline GPU, which is clocked at 400MHz, gives the card a higher peak fillrate than the Radeon X800 Pro (6.4GPixels/s vs. 5.7GPixels/s), and because the X800 XL is also equipped with higher clocked memory than the X800 Pro, the XL's peak memory bandwidth is on par with the standard Radeon X800 XT at 32GB/s.  The Radeon X800 XL also matches up pretty well to NVIDIA's upper echelon GeForce 6800 series. It has the same theoretical peak fillrate as the top-of-the-line GeForce 6800 Ultra, and the same amount of total memory bandwidth as a GeForce 6800 GT.  To see how the Asus Extreme AX800XL fares in real-world tests in our labs, we will be comparing it against ATi's own Radeon X800 XL and a NVIDIA GeForce 6800 GT.

Tags:  Asus, Radeon, TV, DTV, Xtreme, extreme, 2D, XT, DT, eme, X8

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