ATI Radeon HD 4770 CrossFire Video Card Review

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The Test System

All testing was done on a fresh install of Windows Vista Ultimate 64-bit with Service Pack 1 installed. All benchmarks were completed on the desktop with no other software programs running. All of the modules were run in triple-channel mode at 1866MHz. The NVIDIA GeForce graphics cards were benchmarked with Forceware 185.65 drivers; the ATI Radeon HD graphics cards were tested with 9.4 CATALYST beta drivers. The ASUS P6T Deluxe V2 motherboard was run using BIOS 0302 with the processor running stock settings and the Corsair 6GB memory kit was running at 1866MHz with 8-8-8-24 timings.

The Test System

Here is the Intel LGA 1366 Test platform:

Intel Test Platform






Live Pricing



Intel Core i7 965



ASUS P6T Deluxe



6GB Corsair DDR3 1866MHz


Video Card


Radeon HD 4870X2


Hard Drive


Western Digital VelociRaptor




Intel Reference


Power Supply


Cooler Master 1000W




Thermaltake Spedo Advance


Operating System


Windows Vista Ultimate 64-Bit

GPU-Z 0.3.4 Details on Some of the Cards Tested:

ATI Radeon HD 4770:

Radeon HD 4770

Radeon HD 4770

Sapphire Radeon HD 4890 OC:

Radeon HD 4850

ASUS Radeon HD 4890:

Radeon HD 4870

GeForce GTX 275:

GeForce GTX 275

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