ATI Radeon HD 5870 + 5850 Crossfire – Mixing Video Cards

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The Test System

All testing was done on a fresh install of Windows 7 Ultimate 64-bit
with all the latest updates installed. All benchmarks were completed on
the desktop with no other software programs running. The Corsair
DOMINATOR memory modules were run in triple-channel mode at 1866MHz
with 8-8-8-24 timings.

ATI Radeon HD 5850 and 5870 CATALYST 8.66.6 Drivers

The NVIDIA GeForce graphics cards were benchmarked with Forceware 191.07 drivers; the ATI Radeon HD graphics cards were tested with 8.66.6 CATALYST drivers. The ASUS P6T Deluxe V2 motherboard was run using BIOS 0610 with the processor running stock
settings and Turbo enabled.

Windows 7 Drivers Used:
Intel Chipset Inf Update Program V9.1.1.1014
SoundMAX 2000B Audio Driver V6.10.2.6585 for Windows 64bit Windows 7.(WHQL)
Marvell Yukon Gigabit Ethernet Driver V11.10.5.3 for 32/64bit Windows 7.(WHQL)

The Test System

Here is the Intel LGA 1366 Test platform:

Intel Test Platform






Live Pricing



Intel Core i7 975



ASUS P6T Deluxe V2



6GB Corsair DDR3 1866MHz


Video Card


See Below


Hard Drive


Western Digital VelociRaptor




Intel Reference


Power Supply


Cooler Master 1000W




None (Open Bench)


Operating System


Windows 7 Ultimate 64-Bit

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