The Test

For the 5700 series launch, AMD issued some new drivers as the previous 8.66 driver set did not include support for these cards. The driver set we used for these cards is 8.66.6, which is from the same branch as the earlier drivers. In our own testing, we haven’t seen any performance differences between these drivers and the previous ones on the 5800 series cards, but AMD did note that certain configurations might see a small performance boost. As such our results are still using the original 8.66 driver for the 4000 and 5800 series.

Also, as AMD sent us a pair of 5770s, we have tested these cards in a Crossfire configuration. This configuration is largely academic, as 2 5770s is just shy of the price of a 5870 and brings with it all of the limitations of multi-GPU scaling as compared to single-GPU scaling.

On a final note, our 5750 sample is a 1GB card.

CPU: Intel Core i7-920 @ 3.33GHz
Motherboard: Intel DX58SO (Intel X58)
Chipset Drivers: Intel 9.1.1.1015 (Intel)
Hard Disk: Intel X25-M SSD (80GB)
Memory: Patriot Viper DDR3-1333 3 x 2GB (7-7-7-20)
Video Cards:

ATI Radeon HD 5870
ATI Radeon HD 5850
ATI Radeon HD 5770
ATI Radeon HD 5750
ATI Radeon HD 4870 X2
ATI Radeon HD 4890
ATI Radeon HD 4870 1GB
ATI Radeon HD 4850
ATI Radeon HD 3870
ATI Radeon HD 4670 512MB
NVIDIA GeForce GTX 295
NVIDIA GeForce GTX 285
NVIDIA GeForce GTX 275
NVIDIA GeForce GTX 260 Core 216
NVIDIA GeForce GTS 250
NVIDIA GeForce 8800GT

Video Drivers:

NVIDIA ForceWare 190.62
ATI Catalyst Beta 8.66
ATI Catalyst Beta 8.66.6
ATI Catalyst 9.9

OS: Windows 7 Ultimate 64-bit

Meet The 5750 Crysis: Warhead
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  • squeezee - Tuesday, October 13, 2009 - link

    Remember that there is more to the card than just the ROP/TU/ALUs. If the other logic is intact it could give the dual 5770s a net larger ammount of cache, more resources for scheduling, rasterization, etc. Reply
  • Ryan Smith - Tuesday, October 13, 2009 - link

    Exactly. Geometry is also a big thing; the 5800 series and 5700 series have the same geometry abilities. Unfortunately this isn't something we can really test in a meaningful manner. Reply
  • Torres9 - Tuesday, October 13, 2009 - link

    "The 5770 is 108W at load and 18W at idle, meanwhile the 5850 is 86W at load and 16W at idle."

    do u mean the 5750 or is the 5850 that good?
    Reply
  • ET - Tuesday, October 13, 2009 - link

    I'm again seeing many comments of "DX11 gives me nothing". Well, you buying it gives developers one more reason to develop for it. If you stick to DX10, then it'd take more time to move to DX11. Really. Until the majority of the market moves to a new feature set (and hopefully Windows 7 will help move out of DX9), developers will only use higher end features as "special features". Reply
  • MadMan007 - Tuesday, October 13, 2009 - link

    1 word for real DX11 rollout: consoles. Reply
  • ET - Thursday, October 15, 2009 - link

    You're right, though not the way you think. Xbox programming is more like DX11 than DX9 or DX10, and the Xbox also has a tesselation unit (though simpler than in the DX11 parts), so moving to DX11 would make developers life easier.

    What users don't get is the difference between API and hardware capabilities. Even if developers limit themselves to DX9 level capabilities, for console compatibility, using DX10 or DX11 only to develop will be much easier than using both DX9 and DX10, and result in faster and less buggy code (optimising for two very different API's is hard).
    Reply
  • xipo - Tuesday, October 13, 2009 - link

    As MadMan007 says, there wont be a large adoption rate from the developers towards DX11 until the NEXT generation of consoles ships (around 2012) supporting DX11... Win7 won't matter because game developers are still going to make games for DX9-DX11... Probably the very few game that will come out being DX11 only are going to be some kind of tech demos & suck 4ss! Reply
  • ET - Tuesday, October 13, 2009 - link

    I haven't seen it stated, but I'd like to know if the 4850 benchmarked is 512MB or 1GB. If it's 512MB then the comparison with the 5750 isn't valid. Reply
  • poohbear - Tuesday, October 13, 2009 - link

    u never mentioned that the performance of the 5770 might be a driver issue? the hardware is certainly capable of outdoing the 4870 as we can see in Farcry2, so maybe its just a driver issue? Reply
  • Ryan Smith - Tuesday, October 13, 2009 - link

    I don't believe it's a driver issue. If anything it's a Far Cry 2-specific issue, but that's something I'm going to have to do some more digging for. Reply

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