Portal 2

Portal 2 continues the long and proud tradition of Valve’s in-house Source engine. While Source continues to be a DX9 engine, Valve has continued to upgrade it over the years to improve its quality, and combined with their choice of style you’d have a hard time telling it’s over 7 years old at this point. Consequently Portal 2’s performance does get rather high on high-end cards, but we have ways of fixing that…

Portal 2 - 2560x1600 - Very High Quality + 4xMSAA/16xAF

Portal 2 - 1920x1200 - Very High Quality + 4xMSAA/16xAF

Portal 2 - 2560x1600 - Very High Quality + 4xSSAA/16xAF

Portal 2 - 1920x1200 - Very High Quality + 4xSSAA/16xAF

Portal 2 ends up being the strongest lead yet for the GTX 680, with the GTX 680 taking a 17% lead at 2560. What’s especially interesting though is performance in the bonus round with SSAA enabled – the GTX 680 takes a wholly unexpected and completely stunning 44% lead over the 7970. In fact it beats out everything here, including the GTX 590 and Radeon HD 6990. Meanwhile the lead over the GTX 580 is even more amazing, with the GTX 680 leading by 67% at these settings.

As it stands the GTX 680 is the first single-GPU card to do better than 60fps, and it does so in a landslide. All things considered, for a lack of memory bandwidth and ROP changes compared to Fermi GTX 680 does extremely well here.

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  • CeriseCogburn - Tuesday, March 27, 2012 - link

    What you're saying is true for amd cards, and is severe in CF, but true across the board.
    Lower clocked cpu system, better results from Nvidia.
    Reply
  • bozolino - Monday, March 26, 2012 - link

    I dont know whats happening. I have a gtx 560 2win and wanted to compare it to the 680 and see if its worth the replace but the charts cant be compared, for example:
    http://www.anandtech.com/show/5048/evgas-geforce-g...

    This review uses an i7 3xxx while the older uses an i7 720, how can the older cpu performs better than the new one?? Something is very odd....

    I wish they had used same computer as vga test bench, so we could compare all the results together....
    Reply
  • Sharpie - Monday, March 26, 2012 - link

    Its about design trade offs, you can increase the memory speed if you have a narrow bus to get the same throughput of something with lower clock speed and a large bus. all depeends on the architectural design so arguing about clock numbers is pointless generally speaking unless you are comparing apples to apples. Comapring an NVidia chip to an ATI chip is apples to oranges. Yes, im an engineer. Reply
  • CeriseCogburn - Tuesday, March 27, 2012 - link

    Oh I get it you're in some pretend world where the card companies are not "fanboy compared" in the article itself.
    Once the amd card loses, and someone tells the truth about that, it's trolling or fanboy right ?
    If an amd fan lies, it's "a good opinion".
    If an amd fan liar gets corrected, that's "taking it too far" into "fanboy".
    Once aghain, telling the truth on the two competing cards is forbidden only if it's an Nvidia advantage - then WE MUST OMIT the AMD card from the analysis, right ?
    I think you might as well NEVER read another article on a card launch at this site, if you intend to stick to your RUDE comment.
    Reply
  • CeriseCogburn - Tuesday, March 27, 2012 - link

    Heck you didn't read this article nor many others then that say and prove the exact thing.
    I'm sure it will never make sense to you.
    Reply
  • SlyNine - Friday, April 27, 2012 - link

    Actually, I'm pretty sure it's you that doesn't understand the DX API. The CPU's are doing roughly the same thing for both videocards. Cept when it comes to processing the Drivers. Reply
  • CeriseCogburn - Tuesday, March 27, 2012 - link

    The GTX690 currently holds the world record with a 1,900mhz overclock, and is gaining easily 15% with noob out of box overlclocks, and reaching very high memory clocks as well as 1,300+ core, I've seen 1,420 on air, and overclocked models are on their way....
    So much for that fud about 7970... it's FUD FUD and pure FUD.
    Reply
  • blanarahul - Tuesday, March 27, 2012 - link

    GTX 690???? Reply
  • blanarahul - Tuesday, March 27, 2012 - link

    Smart move by NVIDIA. Make a single gpu powerful graphics card to battle the Dual Tahiti monster. Judging by how they are doing the GTX 680 it should have the following specs:-

    4.72 billion transiostors
    2048 CUDA Cores
    384-bit memory bus width
    3 GB VRAM
    600-700 USD
    TDP of 225-250W

    If the clock speeds high enough, it will be quite a match for the 7990!

    The reason i think it will be a single GPU card is because GTX 680=2x GTX 560 Ti.
    So it should be GTX 690=2x GTX 580.
    Reply
  • CeriseCogburn - Tuesday, March 27, 2012 - link

    The release date of the 7970 was jan 11th, 2.5 months is opverstating in AMD's favor...
    Nothing like not knowing what you're talking about huh.
    7970's have come down in price a bit, but you still will find them for much more than $569 at an awful lot of USA online places.
    Reply

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