ATI Radeon HD 3870 and 3850

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News Posted: Thu, Nov 15 2007 12:15 AM

Today, AMD finally takes the wraps of their new ATI Radeon HD 3870 and 3850 cards, based on their RV670 GPU.  At 55nm and 320 Stream Processors strong, these new cards are set to do battle with the likes of a Gefore 8800 GT and  GTS.  Here's a snip from the article...


“As for the fundamental blocks inside the GPU, the RV670 doesn’t differ very much from R600.  The RV670 still has 320 stream processing units, 16 texture units, and 16 ROPs.  The RV670 however, does away with the 1024-bit internal ring-bus memory controller in favor of a 512-bit variant.  And its memory interface has also been pared down from 512-bits to 256-bit.  From high-level perspective, these changes sound-like downgrades, but other tweaks to the GPU negate a massive loss of internal and external bandwidth.”

ATI Radeon HD 3870 and HD3850




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jtm55 replied on Thu, Nov 15 2007 6:56 PM

 Hi All,

 

Great review on both cards. It looks as though AMD/ATI is back in the Graphics card game again. That's great for us Gamers because now Price Wars! 

I do have a question, has AMD/ATI abandoned the High End Graphics card arena? 

 

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Dave_HH replied on Fri, Nov 16 2007 12:09 AM
Definitely not, at least according to our sources. The first half of 08 should bring new high-end toys from both sides of the Graphics pond!

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ice91785 replied on Fri, Nov 16 2007 10:42 AM

 Holy power consumption Batman!! It is definately a more utility bill friendly card than the 2900 (consuming about half its idle and load power) and the performance output really isn't bad at all -- as I would almost input that the 2900's was when compared to the 8xxx series especially with power consumption and price comparison was taken into the mix..

It's just too bad it took ATI more than a year to semi-catch up with nVidia's 8 series but hopefully they can stay on the ball eh? Exciting exciting.

 

BTW: if you admins are sick of these taking up space in the labs I can probably take them off your hands -- if you're lucky I mean Big Smile 

 

EDIT: Just also noticed the 8870s are quite a bit cheaper than the 8800GT's also .... what to do, what to do.... 

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Grahf replied on Fri, Nov 16 2007 6:18 PM

Good to see DAMMIT is getting competitive again in the GPU market. They still need to get their high end parts up there though. Even though where the bulk of sales occurs is mainstream not having those high end parts affects people's purchasing decisions. People want to go with the company that looks like they are superior on all fronts. Hopefully their next GPU can actually rival Nvidia's high end. Image is important.

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ice91785 replied on Sun, Nov 18 2007 2:45 AM

 Well getting a 55nm process down for the GPU is pretty sweet in itself -- more space and less heat :) :) Too bad AMD isn't following this up with 55nm CPU  eh? ;)

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