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Vista 32 SP1
Our today’s test subject is Gainward’s BLISS GTX 275 card, with its ticker clocked at 633MHz. So, it’s a reference clocked card but with non-reference cooling and PCB.
In our tables we also included the results scored by one of the fastest GTX 260 cards – Gainward’s GTX 260 GLH card (650MHz GPU / 1,100MHz memory) which beat ATI’s new HD 4890 card in quite a couple of tests, but is currently priced higher than GTX 275 (which should change soon).
3DMark06 reports the GTX 275 to be quite close to GTX 285’s results, and that the GTX 260 runs 8% slower.
At the most demanding, Xtreme configuration, Radeon HD 4890 manages to beat the GTX 260 but Gainward’s GTX 275 leaves the latest AMD ace behind by as much as 20%. Another Gainward card broke 5k in Xtreme test, and it’s the GTX 260 Golden Sample Goes Like Hell, and it certainly justifies its name.
Far Cry 2
FarCry2 reveals good framerate at extremely high resolution for both the HD 4890 and GTX 275, which speaks volumes of the cards’ muscle. HD 4890 handles the game pretty well, but GTX 275 shows its true colors at the highest resolution where it excels. At 1920x1200 and 2560x1600, Geforce GTX 260 and GTX 275 cards are not that dominant, but when the filters are on, Radeon HD 4890 has a hard time competing.
Left 4 Dead
With filters off, the HD 4890 wins all up to the 2560x1600 resolution, but at the highest tested resolution with filters on, Gainward GTX 275 emerges a winner. The overclocked XFX HD 4890 defends the new Radeons’ honor by winning at all but the highest resolution with filters.
World in Conflict
At reference clocks, the GTX 275 and Gainward GTX 260 GS GLH scored evenly a few times, but this should be considered maximum that GTX 260 can give. We expect to see overclocked GTX 275 cards which will surely build an even greater advantage over the GTX 260 and close in on the GTX 285’s results.
This test shows the GTX 275 running up to 19% faster than the HD 4890, whereas the resolution 2560x1600 shows 15% better results.
Radeon HD 4890 clearly brings antialiasing boost compared to the HD 4870. At 1920x1200 the performance difference between these two cards is mere 4%, but after turning antialiasing and anisotropic filters on, the difference jumps to 11%.
While the GTX 260 spent Left4Dead testing chasing the HD 4890, World in Conflict reports the opposite. It took AMD 1920x1200 resolution to catch up with the GTX 260, and the highest tested resolution, 2560x1600 even sees it win by 2%. XFX HD 4890 XXX beats the reference GTX 260 by 7% at the same resolution.
Tom Clancy's H.A.W.X
Thanks to XFX’s HD 4890 900M XXX test card we’ve received a few days ago, we got a chance to include Tom Clancy’s H.A.W.X, which comes as a gift with this card. Note that this is only one of the titles with DirectX 10.1 support.
Our tests reveal that HD 4800 scores much better with DirectX 10.1 than without it. At 2560x1600 with no DX10.1 support, the card scores 45 FPS, whereas turning on DX10.1 support results in the same card scoring 51FPS.
At 1920x1200 with no AA and DX10.1 support, it scores 62FPS whereas DX10.1 support results in 70FPS. The same resolution with no AA and DX10.1 support sees XFX score 58FPS, whereas turning on DX10.1 results in 57FPS. We’re talking about 10-15% difference, which is quite a hefty advantage.
Nvidia’s cards don’t feature DX10.1 support, so you won’t find an option to turn it on. Still, Gainward GTX 275 does well and beats the HD 4890 with no AA.