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Testbed Configuration and Testing Methodology

All graphics cards were tested in a system with the following configuration:

  • Mainboard: Intel Siler DX79SI (Intel X79 Express, LGA 2011, BIOS 0453 from 03/15/2012);
  • CPU: Intel Core i7-3960X Extreme Edition, 3.3 GHz, 1.2 V, 6 x 256 KB L2, 15 MB L3 (Sandy Bridge-E, C1, 32 nm);
  • CPU cooler: Phanteks PH-TC14PE (2 x 135 mm fans at 900 RPM);
  • Thermal interface: ARCTIC MX-4;
  • System memory: DDR3 4 x 4GB Mushkin Redline (Spec: 2133 MHz / 9-11-10-28 / 1.65 V);
  • Graphics cards:
    • Sapphire Radeon HD 7950 OC 3 GB/384 bit GDDR5, 800/5000 MHz;
    • Sapphire Radeon HD 6970 Dual Fan 2 GB/256 bit GDDR5, 880/5500 MHz;
    • MSI N580GTX Lightning Xtreme Edition 3 GB/384 bit GDDR5, 772/1544/4008 MHz;
    • Palit GeForce GTX 570 Sonic Platinum 1.28 GB/320 bit GDDR5, 732/1464/3800 MHz;
    • AMD Radeon HD 7870 2 GB/256 bit GDDR5, 1000/4800 MHz and 1190/5800 MHz;
    • AMD Radeon HD 7850 2 GB/256 bit GDDR5, 860/4800 MHz and 1050/5800 MHz;
  • System drive: Crucial m4 256 GB SSD (SATA-III,CT256M4SSD2, BIOS v0009);
  • Drive for programs and games: Western Digital VelociRaptor (300GB, SATA-II, 10000 RPM, 16MB cache, NCQ) inside Scythe Quiet Drive 3.5” HDD silencer and cooler;
  • Backup drive: Samsung Ecogreen F4 HD204UI (SATA-II, 2 TB, 5400 RPM, 32 MB, NCQ);
  • System case: Antec Twelve Hundred (front panel: three Noiseblocker NB-Multiframe S-Series MF12-S2 fans at 1020 RPM; back panel: two Noiseblocker NB-BlackSilentPRO PL-1 fans at 1020 RPM; top panel: standard 200 mm fan at 400 RPM);
  • Control and monitoring panel: Zalman ZM-MFC3;
  • Power supply: Xigmatek “No Rules Power” NRP-HC1501 1500 W (with a default 140 mm fan);
  • Monitor: 30” Samsung 305T Plus.

On the AMD side, the newcomers will compete against the top Radeon HD 7950 with the frequencies adjusted to the nominal for this particular graphics cards and the previous generation leader – AMD Radeon HD 6970. Both products are manufactured by Sapphire:

 

 

On the Nvidia side, we will have GeForce GTX 580 3 GB from MSI and GeForce GTX 570 1.28 GB from Palit:

  

 

As we can see, the frequencies of these graphics cards have also been adjusted to match the nominal values. Overall, our today’s test session will include 6 graphics accelerators, two of which were tested at the nominal as well as increased frequencies.

In order to lower the dependence of the graphics cards performance on the overall platform speed, I overclocked our 32 nm six-core CPU with the multiplier set at 37x, BCLK frequency set at 125 MHz and “Load-Line Calibration” enabled to 4.625 GHz. The processor Vcore was increased to 1.45 V in the mainboard BIOS:

Hyper-Threading technology was enabled. 16 GB of system DDR3 memory worked at 2 GHz frequency with 9-11-10-28 timings and 1.65V voltage.

The test session started on March 23, 2012. All tests were performed in Microsoft Windows 7 Ultimate x64 SP1 with all critical updates as of that date and the following drivers:

The graphics cards were tested in two resolutions: 1920x1080 and 2560x1600. The tests were performed in two image quality modes: “Quality+AF16x” – default texturing quality in the drivers with enabled 16x anisotropic filtering and “Quality+ AF16x+MSAA 4(8)x” with enabled 16x anisotropic filtering and full screen 4x anti-aliasing (MSAA) or 8x if the average framerate was high enough for comfortable gaming experience. We enabled anisotropic filtering and full-screen anti-aliasing from the game settings. If the corresponding options were missing, we changed these settings in the Control Panels of Catalyst and GeForce drivers. We also disabled Vsync there. There were no other changes in the driver settings.

The list of games and applications used in this test session includes two popular semi-synthetic benchmarking suites, one technical demo and 15 games of various genres:

  • 3DMark Vantage (DirectX 10) – version 1.0.2.1, Performance and Extreme profiles (only basic tests);
  • 3DMark 2011 (DirectX 11) – version 1.0.3.0, Performance and Extreme profiles;
  • Unigine Heaven Demo (DirectX 11) – version 3.0, maximum graphics quality settings, tessellation at “extreme”, AF16x, 1280x1024 resolution with MSAA and  1920x1080 with MSAA 8x;
  • S.T.A.L.K.E.R.: Call of Pripyat (DirectX 11) – version 1.6.02, Enhanced Dynamic DX11 Lighting profile with all parameters manually set at their maximums, we used our custom cop03 demo on the Backwater map;
  • Left 4 Dead 2 (DirectX 9) – version 2.1.0.0, maximum graphics quality settings, proprietary d98 demo (two runs) on “Death Toll” map of the “Church” level;
  • Metro 2033: The Last Refuge (DirectX 10/11) - version 1.2, maximum graphics quality settings, official benchmark, “High” image quality settings; tesselation, DOF and MSAA4x disabled; AAA aliasing enabled, two consecutive runs of the “Frontline” scene;
  • Just Cause 2 (DirectX 11) - version 1.0.0.2, maximum quality settings, Background Blur and GPU Water Simulation disabled, two consecutive runs of the “Dark Tower” demo;
  • Aliens vs. Predator (2010) (DirectX 11) – Texture Quality “Very High”, Shadow Quality “High”, SSAO On, two test runs in each resolution;
  • Lost Planet 2 (DirectX 11) – version 1.0, maximum graphics quality settings, motion blur enabled, performance test “B” (average in all three scenes);
  • StarCraft 2: Wings of Liberty (DirectX 9) – version 1.4.3, all image quality settings at “Extreme”, Physics at “Ultra”, reflections On, two 2-minute runs of our own “bench2” demo;
  • Sid Meier’s Civilization V (DirectX 11) – version 1.0.1.348, maximum graphics quality settings, two runs of the “diplomatic” benchmark including five heaviest scenes;
  • Tom Clancy's H.A.W.X. 2 (DirectX 11) – version 1.04, maximum graphics quality settings, shadows On, tessellation Off (not available on Radeon), two runs of the test scene;
  • Total War: Shogun 2 (DirectX 11) – version 2.0, built in benchmark (Sekigahara battle) at maximum graphics quality settings;
  • Crysis 2 (DirectX 11) – version 1.9, we used Adrenaline Crysis 2 Benchmark Tool v.1.0.1.13. BETA with “Ultra High” graphics quality profile and activated HD textures, two runs of a demo recorded on “Times Square” level;
  • DiRT 3 (DirectX 11) – version 1.2, built-in benchmark at maximum graphics quality settings on the “Aspen” track;
  • Hard Reset Demo (DirectX 9) – benchmark built into the demo version with Ultra image quality settings, one test run;
  • Batman: Arkham City (DirectX 11) – version 1.2, maximum graphics quality settings, physics disabled, two sequential runs of the benchmark built into the game.
  • Battlefield 3 (DirectX 11) – version 1.3, all image quality settings set to “Ultra”, two successive runs of a scripted scene from the beginning of the “Going Hunting” mission 110 seconds long.

If the game allowed recording the minimal fps readings, they were also added to the charts. We ran each game test or benchmark twice and took the best result for the diagrams, but only if the difference between them didn’t exceed 1%. If it did exceed 1%, we ran the tests at least one more time to achieve repeatability of results.

 
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