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Written by Olin Coles   
Wednesday, 16 March 2011
Table of Contents: Page Index
Sapphire 100310SR Radeon HD 6990
Sapphire Radeon HD 6990 Appearance
Antilles Detailed Features
Antilles Features and Specifications
Video Card Testing Methodology
DX9 SSAO: Mafia II
DX10: 3DMark Vantage
DX10: Crysis Warhead
DX11: 3DMark11
DX11: Aliens vs Predator
DX11: Battlefield Bad Company 2
DX11: BattleForge
DX11: Lost Planet 2
DX11: Metro 2033
DX11: Unigine Heaven 2.1
Overclocking and Temperatures
VGA Power Consumption
Sapphire Radeon 6990 Conclusion

DX11: 3DMark11

FutureMark 3DMark11 is the latest addition the 3DMark benchmark series built by FutureMark corporation. 3DMark11 is a PC benchmark suite designed to test the DirectX-11 graphics card performance without vendor preference. Although 3DMark11 includes the unbiased Bullet Open Source Physics Library instead of NVIDIA PhysX for the CPU/Physics tests, Benchmark Reviews concentrates on the four graphics-only tests in 3DMark11 and uses them with medium-level 'Performance' presets.

The 'Performance' level setting applies 1x multi-sample anti-aliasing and trilinear texture filtering to a 1280x720p resolution. The tessellation detail, when called upon by a test, is preset to level 5, with a maximum tessellation factor of 10. The shadow map size is limited to 5 and the shadow cascade count is set to 4, while the surface shadow sample count is at the maximum value of 16. Ambient occlusion is enabled, and preset to a quality level of 5.

3DMark11-Performance-Test-Settings.png

  • Futuremark 3DMark11 Professional Edition
    • Performance Level Settings: (1280x720, 1x AA, Trilinear Filtering, Tessellation level 5)

3dMark2011_Performance_GT1-2_Benchmark.jpg
3dMark2011_Performance_GT3-4_Benchmark.jpg

3DMark11 'Performance' Level Quality Settings

Graphics Card Radeon HD6870 Radeon HD6970 GeForce GTX570 Radeon HD5970 GeForce GTX580 Radeon HD6990
GPU Cores 1120 1536 480 3200 Total 512 3072 Total
Core Clock (MHz) 900 880 732 725 772 830/880
Shader Clock (MHz) N/A N/A 1464 N/A 1544 N/A
Memory Clock (MHz) 1050 1375 950 1000 1002 1250
Memory Amount 1024MB GDDR5 2048MB GDDR5 1280MB GDDR5 2048MB GDDR5 1536MB GDDR5 4096MB GDDR5
Memory Interface 256-bit 256-bit 320-bit 512-bit 384-bit 256-bit



 

Comments 

 
# RE: Sapphire 100310SR Radeon HD 6990Robert17 2011-03-16 19:30
Long ago I came to the realization that as I continued to build, re-build, and enjoy computers as a hobby, as well as for work, that one constant would be in play: continuous performance improvements. This is just another of those "wow" products. There've been many, but this kinda stands out in it's own way. 6990. Can't wait for the 18125's. Hope I'm around that long.
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# RE: RE: Sapphire 100310SR Radeon HD 6990Olin Coles 2011-03-16 20:28
At the rate we're seeing overlapping improvements we'll see something twice as fast in less than two years.
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# Here we go againCom-Tek Chris 2011-03-17 07:51
I just ordered mine on the Egg about 3 minutes ago. I'll make my own personal comments after giving it a whirl in my personal world. I might be eating my words from previous posted comments, lol, oh well, as life goes.

to be continued..............
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# 256bit?zac 2011-03-17 21:25
Is this 256bit? Or 256x2bit?
And if it is only 256-bit video frame buffer, why? Or how? previously all dual gpu setups had 2x the memory controller.
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# RE: 256bit?Olin Coles 2011-03-18 08:14
Like the I explain in the article, this product has two GPUs on one PCB. Each GPU offers a 256-bit memory bus to the video frame buffer. Having two GPUs won't make single 512-bit lane, but will double bandwidth to 2x 256-bit.
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# AMD 6990 reviewsJ.King 2011-06-27 22:03
Correct me if I'm wrong but as far as I can tell ALL the 6990's are made in exactly the same place. IE the card's are all identical except for the stickers on the front. So why the price difference? This was true for the 6950's and 6970's until recently when a bait and switch was pulled by various manufacturers XFX comes to mind. The card's were changed (BIOS switch was removed and other less obvious changes) but the model number's remained the same and they were still being sold as reference.
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# RE: AMD 6990 reviewsOlin Coles 2011-06-27 22:09
You are mostly correct. There are some differences depending on what the partner pays for (cooling/BIOS/overclock), but the engineering is generally all done by the manufacturer. There are a few who receive the engineering and make their own PCB, but it's rare. As for pricing, you'll have to take that up with the brands and retailers.
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