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Test Hardware And Benchmarks

GeForce And Radeon On Intel's P67: PCIe Scaling Explored
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Test System Configuration
CPUIntel Core i7-2600K (Sandy Bridge) LGA 1155, 3.40-3.80 GHz, 8 MB L3 Cache
Overclocked to 4 GHz at 1.25 V
MotherboardAsus P8P67 Pro, Intel P67 Express, LGA 1155, BIOS 1204 (01/27/2011)
RAMKingston KHX2133C9D3T1K2/4GX, 2 x 2 GB, DDR3-2133 at DDR3-1600 CAS 7-7-7-21, 1.60 V
Hard DriveWestern Digital WD1002FBYS, 1 TB, 7200 RPM, SATA 3Gb/s, 32 MB cache
GeForce GraphicsAsus ENGTX570/2DI/1280MD5, 742 MHz GeForce GTX 570 GPU, 1.25 GB GDDR5-3800
Radeon GraphicsXFX HD-695A-CNFC, 800 MHz Radeon HD 6950 GPU,  2 GB GDDR5-5000
SoundIntegrated HD Audio
NetworkIntegrated Gigabit Networking
PowerOCZ-Z1000M, 1000 W Modular, ATX12V v2.2, EPS12V, 80 PLUS Gold
Software
OSMicrosoft Windows 7 Ultimate 64-bit
GeForce GraphicsGeForce/Ion 266.58
Radeon GraphicsAMD Catalyst 11.2
ChipsetIntel INF 9.2.0.1019


Offering x16, x8, and x4 slots, we chose Asus’ P8P67 Pro to represent various slot configurations at maximum CPU performance.

Benchmark Configuration
3D Games
Aliens Vs. Predator BenchmarkAlien vs Predator Benchmark Tool
Test Set 1: Highest Settings, No AA
Test Set 2: Highest Settings, 4x AA
CrysisPatch 1.2.1, DirectX 10, 64-bit executable, benchmark tool
Test Set 1: Highest Quality, No AA
Test Set 2: Highest Quality, 4x AA
F1 2010v1.01, Run with -benchmark example_benchmark.xml
Test Set 1: Highest Settings, No AA
Test Set 2: Highest Settings, 4x AA
Just Cause 2Version 1.0.0.2, Built-In Benchmark "Concrete Jungle"
Test Set 1: Highest Details, No AA, 16x AF
Test Set 2: Highest Details, 4x AA, 16x AF
S.T.A.L.K.E.R.: Call Of PripyatCall Of Pripyat Benchmark version, all options, HDAO
Test Set 1: Ultra Preset, DX11 EFDL, Ultra SSAO, No AA
Test Set 2: Ultra Preset, DX11 EFDL, Ultra SSAO, 4x MSAA
Synthetic Benchmarks and Settings
3DMark 11Version: 1.0.1.0, Benchmark Only
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