VGA Testing Methodology

The Microsoft DirectX-11 graphics API is native to the Microsoft Windows 7 Operating System, and will be the primary O/S for our test platform. DX11 is also available as a Microsoft Update for the Windows Vista O/S, so our test results apply to both versions of the Operating System. The majority of benchmark tests used in this article are comparative to DX11 performance, however some high-demand DX10 tests have also been included.

According to the Steam Hardware Survey published for the month ending May 2010, the most popular gaming resolution is 1280x1024 (17-19" standard LCD monitors). However, because this 1.31MP resolution is considered 'low' by most standards, our benchmark performance tests concentrate on higher-demand resolutions: 1.76MP 1680x1050 (22-24" widescreen LCD) and 2.30MP 1920x1200 (24-28" widescreen LCD monitors). These resolutions are more likely to be used by high-end graphics solutions, such as those tested in this article.

In each benchmark test there is one 'cache run' that is conducted, followed by five recorded test runs. Results are collected at each setting with the highest and lowest results discarded. The remaining three results are averaged, and displayed in the performance charts on the following pages.

A combination of synthetic and video game benchmark tests have been used in this article to illustrate relative performance among graphics solutions. Our benchmark frame rate results are not intended to represent real-world graphics performance, as this experience would change based on supporting hardware and the perception of individuals playing the video game.

DX11 Cost to Performance Ratio

For this article Benchmark Reviews has included cost per FPS for graphics performance results. Only the least expensive product price is calculated, and does not consider tax, freight, promotional offers, or rebates into the cost. All prices reflect product series components, and do not represent any specific manufacturer, model, or brand. These retail prices for each product were obtained from NewEgg.com on 10-July-2010:

• $150 Radeon HD 5770
• $200 GeForce GTX 460
• $200 Radeon HD 5830
• $250 GeForce GTX 465
• $290 Radeon HD 5850
• $320 GeForce GTX 470

Intel X58-Express Test System

• Motherboard: ASUS P6X58D-E (Intel X58/ICH10R/Marvell SE9128)
• Processor: Intel Core i7-920 Nehalem 2.66 GHz (BX80601920)
• CPU Cooler: Prolimatech Megahalems
• System Memory: Kingston HyperX 2000MHz CL8-8-8-24-1 DDR3 KHX2000C8D3T1K3 (3x2GB)
• Primary Drive: OCZ Agility-EX SLC SSD OCZSSD2-1AGTEX60G firmware 1.50
• Power Supply Unit: OCZ Z-Series Gold 850W OCZZ850
• Monitor: 26-Inch Widescreen LCD (up to 1920x1200@60Hz)

DirectX-10 Benchmark Applications

• 3DMark Vantage v1.02 (Extreme Quality, 8x Multisample Anti-Aliasing, 16x Anisotropic Filtering, 1:2 Scale)
• Crysis Warhead v1.1 with HOC Benchmark (DX10, Very High Quality, 4x Anti-Aliasing, 16x Anisotropic Filtering, Airfield Demo)
• Far Cry 2 v1.02 (DX10, Very High Performance, Ultra-High Quality, 8x Anti-Aliasing, HDR + Bloom)
• Resident Evil 5 Benchmark (DX10, Super-High Quality, 8x MSAA)

DirectX-11 Benchmark Applications

• Aliens vs Predator (Very High Quality, 4x AA, 16x AF, SSAO, Tessellation, Advanced Shadows)
• BattleField: Bad Company 2 (High Quality, HBAO, 8x Anti-Aliasing, 16x Anisotropic Filtering, Single-Player Intro Scene)
• BattleForge v1.2 (Very High Quality, 8x Anti-Aliasing, Auto Multi-Thread)
• Metro 2033 (Very-High Quality, DirectX-11, AAA, 16x AF, Advanced DoF, Tessellation, 180s Scene 1 Fraps)
• Unigine Heaven Benchmark 2.1 (DX11, Normal Tessellation, 16x AF, 4x AA)

Video Card Test Products

• NVIDIA GeForce 9800 GTX+ / GTS 250 (740 MHz GPU/1836 MHz Shader/1100 MHz vRAM - Forceware 257.21)
• ATI Radeon HD 4890 Reference Design (850 MHz GPU/975 MHz vRAM - ATI Catalyst Driver 10.6)
• ASUS GeForce GTX 285 ENGTX285 TOP (670 MHz GPU/1550 MHz Shader/1330 MHz vRAM - Forceware 257.21)
• ATI Radeon HD 5770 Reference Design (850 MHz GPU/1200 MHz vRAM - ATI Catalyst Driver 10.6)
• NVIDIA GeForce GTX 460 768MB (675 MHz GPU/1350 MHz Shader/900 MHz vRAM - Forceware 258.80)
• ATI Radeon HD 5830 Reference Design (800 MHz GPU/1000 MHz vRAM - ATI Catalyst Driver 10.6)
• ASUS GeForce GTX 465 (608 MHz GPU/1215 MHz Shader/802 MHz vRAM - Forceware 258.80)
• ATI Radeon HD 5850 Reference Design (725 MHz GPU/1000MHz vRAM - ATI Catalyst Driver 10.6)
• ZOTAC GeForce GTX 470 ZT-40201-10P (608 MHz GPU/1215 MHz Shader/837 MHz vRAM - Forceware 258.80)

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