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NVIDIA SLI Performance: GeForce GTX 660 Ti vs GTX 670

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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
    • Settings: Performance Level Preset, 1280×720, 1x AA, Trilinear Filtering, Tessellation level 5)

3dMark2011_Performance_GT1-2_Benchmark.jpg

3dMark2011_Performance_GT3-4_Benchmark.jpg

3DMark11 Benchmark Test Results

Graphics Card Radeon HD7970 GeForce GTX660Ti GeForce GTX670 GeForce GTX680 Radeon HD6990 GeForce GTX690
GPU Cores 2048 1344 1344 1536 3072 Total 3072
Core Clock (MHz) 925 915 915 1006 (1187 OC) 830/880 915 (1053 OC)
Shader Clock (MHz) N/A 980 Boost 980 Boost Boost 1058 (1240 OC) N/A Boost 1020 (1215 OC)
Memory Clock (MHz) 1375 1502 1502 1502 (1600 OC) 1250 1502 (1601 OC)
Memory Amount 3072MB GDDR5 2048MB GDDR5 2048MB GDDR5 2048MB GDDR5 4096MB GDDR5 4096MB GDDR5
Memory Interface 384-bit 192-bit 256-bit 256-bit 256-bit 256-bit


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