7900 GT: Just Another 7800 GTX?

Rather than clutter up our performance tests with a full set of numbers from another card, we decided to sum up its performance first. As we saw in our card comparison charts, the 7900 GT has specifications nearly identical to the 7800 GTX. Here we take a look at the stock 7800 GTX vs. the stock 7900 GT. There are plenty of overclocked 7800 GTX cards around that will either perform exactly like or very slightly higher than the 7900 GT. But as our performance tests at 1920x1440 clearly show, the 7900 GT only marginally edges out the stock 7800 GTX in performance.

7900 GT vs. 7800 GTX


In the following performance tests, we included the 7800 GTX 512 in order to compare the performance improvement the 7900 GTX offers over the previous flagship. For a comparison between the original 7800 GTX and the 7900 GTX, simply imagine that the 7900 GT has a different label.

The Test and Power Battlefield 2 High-End Performance
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  • redlotus - Thursday, March 9, 2006 - link

    Where the heck is the X3: Reunion rolling demo benchmark? I was all geeked when AT reviewed it and said "it will make a fine addition to our round of benchmarks." Well then when the heck are you going to start using it? I have yet to see it being used for any of the articles posted since the review.
  • DerekWilson - Thursday, March 9, 2006 - link

    We really will be including X3 in our benchmarks ^_^;;

    The benchmark does take quite a long time and we needed to optimize our performance testing in order to make sure we could get the article up for the launch.

    As I have mentioned, we will be doing a follow up article, and I will look into including the X3 demo.

    Thanks,
    Derek Wilson
  • 5150Joker - Thursday, March 9, 2006 - link

    Check out these discrepancies with Anandtech's review, boy has this site been going downhill lately:

    From your older review:

    http://images.anandtech.com/graphs/ati%20radeon%20...">http://images.anandtech.com/graphs/ati%...0x1900%2...

    Then today's review:

    http://images.anandtech.com/graphs/7900%20and%2076...">http://images.anandtech.com/graphs/7900...%207600%...


    How did the XTX Crossfire lose 11 FPS with a very mild bump in resolution? Worst yet, their editors didn't even mention which drivers they used for their review.
  • Cygni - Friday, March 10, 2006 - link

    quote:

    Check out these discrepancies with Anandtech's review, boy has this site been going downhill lately:

    Wow, its like numbers change with different motherboards, chipsets, and driver revisions. ALRET THE PRESS!
  • Spinne - Thursday, March 9, 2006 - link

    That is really odd. I'd expect the numbers to swing a little, but 11 fps is 25% of 44fps. Could they be using different benchmarks? Atleast they aren't simply using the numbers from the X1900 review and are actually retesting stuff.
  • DerekWilson - Thursday, March 9, 2006 - link

    We retested with an updated motherboard (RD580) and an updated driver (CAT 6.2).

    We used the same test for F.E.A.R. (the built in performance test).

    I'm not sure why performance would drop in this case.
  • DerekWilson - Thursday, March 9, 2006 - link

    I've been looking into this, and we also are now using F.E.A.R. 1.03 rather than 1.02 which we used last time.

    I retested the x1900 xtx crossfire and got the same results. I'm really not sure what happened with this, but I'll keep poking around.
  • munky - Thursday, March 9, 2006 - link

    FEAR is one game where the x1900's have had a big lead over the 7800's, and your results from today just done make sense. How does a x1900xtx get 59fps at 1280x1024, when the gtx512 also get 59 and the 7900gtx ges 63? Comapare it to the results from another site - http://www.techreport.com/reviews/2006q1/geforce-7...">http://www.techreport.com/reviews/2006q1/geforce-7.... At 1280x960 they place the xtx at 57fps, the 7900gtx at 46, and the gtx512 at 44, which are more inline with the results I have seen before.
  • DigitalFreak - Thursday, March 9, 2006 - link

    There is a known bug in the current drivers that causes a performance drop with the 7900GTX in FEAR. Check our HardOCP's preview, where they use the updated driver from Nvidia. FEAR scores are the same or higher than the 1900XT(x)
  • DerekWilson - Thursday, March 9, 2006 - link

    We went back and updated our performance numbers with the afore mentioned driver fix.

    NVIDIA released it to the press late in the weekend, but we felt the performance increase was important enough to retest with the new driver.

    I haven't read Scott's article at the Tech Report yet, so I don't know what driver he used.

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