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ATI Radeon X1950 Pro: CrossFire Done Right
ATI Radeon X1950 Pro: CrossFire Done Right
Date: October 17th, 2006
Topic: Video Card
Manufacturer: ATI
Author: Derek Wilson
Buy the Diamond X1950PRO256PCIE X1950PRO
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 Amazon $154.41
 
 

Introduction

It seems that ATI has been releasing a constant stream of new or rebadged graphics cards lately, and it looks like this month won't be any different. Today is quite a special treat: ATI has integrated new CrossFire specific features onto the GPU itself. The release of another part at the $200 price point after ATI's recent price drops and re-badging would otherwise seem redundant, but the advantages of the changes ATI has made to CrossFire really bolster its ability to compete with NVIDIA's SLI.

The new Radeon X1950 Pro is a pretty heavy hitter at $200, bringing slightly faster than the current X1900 GT performance to a slightly lower price point. With the X1900 GT currently being phased out, we would expect nothing less. This will certainly help strengthen ATI's ability to compete with the 7900 GS at the $200 price point, and might even make the X1950 Pro a viable option over some more expensive overclocked 7900 GS parts.

In spite of the fact that ATI is using TSMC's 80nm process, we don't expect to see very many overclocked versions of the X1950 Pro, as the high transistor count, large die size and high speeds tend to get in the way of stable overclocking. We will certainly be testing out the overclocking capabilities of the X1950 Pro when we get our hands on some retail versions of the cards (overclocking with reference cards doesn't always give an accurate picture of the products capabilities). For now, we'll just have to wait and see. In the mean time, we've got plenty of other things to explore.

For this look at ATI's newest graphics card, we'll take a peek at the details of the RV570 hardware, what differences have been introduced into CrossFire with the new silicon, and performance of single and multi-GPU configurations from the midrange through the high end. We will find out if the X1950 Pro is really a viable replacement for the X1900 GT, and whether or not the enhancements to CrossFire are enough to bring ATI on to the same playing field as NVIDIA.

 

RV570 and the Demise of the X1900 GT   Next Page

 
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45 Comments - Last by Wellsoul2, 1190 days ago
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Much appreciated by MadBadger, 1211 days ago
Thanks for the review :beer;

An observation:

-the pricefinder at the top of the article seems a bit out of whack. It shows as x1950 512 mb (PCI), but it links to the 1950 pro 256 mb for amazon and to the x1950 xt for the others.

Reply
heh by Spoelie, 1211 days ago
Bit disappointed, was hoping for 600/700 clocks. I'm curious about the temperatures under load and if it would easily overclock to at least those speeds. And what about HDCP? But I guess we'll have to wait for retail cards.

If the price is €200 or less I just might be getting one to replace my x800xt :)

Reply
RE: heh by Spoelie, 1211 days ago
Apparantly, powercolor clocks all its x1950pro cards up to 600/700 and have a 512mb sku. Plus silent cooling :)

http://www.powercolor.com/global/main_product_series.asp?int=pcie&chp=x1950

No word on hdcp and price tho :/

Reply
RE: heh by Goty, 1211 days ago
Go read the review over at bit-tech. They've got prices up and the Saphire card they reviewed has HDCP.

Reply
RE: heh by DerekWilson, 1210 days ago
HDCP support is optional for vendors, but it seems like ATI is heavily encouraging them to include HDCP on all 1950 PRO cards. Since it's not guaranteed, be sure to check the specifications before you purchase.

The power color 1950 PRO is not passively cooled but it includes a low dB fan. It does look like an interesting product, and we intend to acquire one for further investigation.

Reply
Intel D975XBX by Rza79, 1211 days ago
The Tech Report had problems with this motherboard and Crossfire which made them switch to the Asus P5W DH.
You aren't expiriencing any problems with this board?

Second thing, why no AA with games like B&W2 and FEAR?

Reply
RE: Intel D975XBX by DerekWilson, 1210 days ago
No problems with the motherboard.

AA performance under Black and White 2 and FEAR were excluded because we decided framerate was already at a minimum for the resolution we were testing.

Reply
Why is this CF implementation worse than SLI? by Goty, 1211 days ago
You guys are ragging on this CF implementation like it's some sub-par solution. The transfer speed may be lower than that used by NVIDIA's SLI bridge, but SLI is simplex while this implementation is full duplex. Being able to send data in both directions at the same time should provide a huge speed boost while using ATi's SuperAA modes.

Reply
RE: Why is this CF implementation worse than SLI? by JarredWalton, 1210 days ago
Scalability is the key factory. In most benchmarks, SLI gets more of an improvement than CrossFire, indicating that the compositing engine is not an optimal multi-GPU solution. There's almost certainly a decent amount of overhead involved. We do like the new CF connector, but the proof is in the pudding. If 7900 GS is clearly slower in single card configs but often faster in dual-GPU configs, clearly SLI is scaling better than CF.

Reply
RE: Why is this CF implementation worse than SLI? by Goty, 1210 days ago
Are you guys thinking of doing any testing with any of either vendor's multi-card AA modes any time soon? I really think the full duplex connection would really help there (i.e. the cards may not scale as well with the number of cards, but what about as the image quality increases?)

Reply
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