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PowerColor Radeon AX6850 SCS3 E-mail
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Written by David Ramsey   
Tuesday, 05 July 2011
Table of Contents: Page Index
PowerColor Radeon AX6850 SCS3
Closer Look: PowerColor SCS3 HD6850
AX6850 1GBD5-S3DH Detailed Features
Features and Specifications
Video Card Testing Methodology
DX10: 3DMark Vantage
DX10: Crysis Warhead
DX11: 3DMark 11
DX11: Aliens vs. Predator
DX11: Unigine Heaven 2.5
DX11: Battlefield Bad Company 2
SCS3 HD6850 Temperatures
AX6850 1GBD5-S3DH Overclocking
PowerColor Radeon HD6850 SCS3 Final Thoughts
AX6850 1GBD5-S3DH Conclusion

DX11: 3DMark 11

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.

3DMark 11's four graphics tests take the user through two underwater and two jungle scenarios. The underwater scenes (GT1 and GT2) do not use tessellation, but the jungle scenes (GT3 and GT4) do.

3dmark11.png

AMD's DirectX11 muscle jumps to the fore here, with the overclocked PowerColor Radeon HD6850 SCS3 turning in scores virtually identical to the NVIDIA GTX570. Even the previous-generation HD5870 does really well here.

3dmark11_2.png

The PowerColor Radeon HD6850 SCS3 continues to do well in the GT3 and GT4 tests.

Graphics Card Radeon HD5770 Radeon HD6850 SCS3 Radeon HD6850 SCS3 OC Radeon HD6950 Radeon HD5870 NVIDIA GTX560Ti NVIDIA GTX570
GPU Cores 800 960 960 1408 1600 384 480
Core Clock (MHz) 850 775 990 850 875 822 732
Shader Clock (MHz) N/A N/A N/A N/A N/A 1645 1464
Memory Clock (MHz) 1200 1000 1150 1300 1250 1050 1900
Memory Amount 1024MB GDDR5 1024MB GDDR5 1024MB GDDR5 2048MB GDDR5 1024MB GDDR5 1024MB GDDR5 1280MB GDDR5
Memory Interface 128-bit 256-bit 256-bit 256-bit 256-bit 256-bit 320-bit



 

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