AMD Radeon HD 5870 Video Card Overclocking

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Overclocked Performance

AMD Radeon HD 5870 1GB

So we have an extra 85MHz GPU and 80MHz memory, what does that translate to in performance? We fired up 3D Mark Vantage to see what we had gained.

 

Intel Test Platform

Component

Brand/Model

Live Pricing

Processor

Intel Core i7 920

Motherboard

ASUS P6T Deluxe OC Palm

Memory

OCZ 1600MHz DDR3

Video Card

Radeon HD 5870

Hard Drive

Western Digital Raptor 150GB

Cooling

Thermalright Ultra 120 Extreme

Power Supply

Corsair HX620

Operating System

Windows Vista Ultimate 64-Bit

To ensure that we are getting very high performance, our i7 920 is overclocked to a full 4GHz (200×20). Memory is run at 1600MHz with 8-8-8-21 timings.

AMD GPU Clock Tool

We see very little difference in overall score but what does the GPU score look like?

AMD GPU Clock Tool

Very nice! We picked up 700 points which is a little over 8%, our increase in GPU clock speed is right at 9% so these are pretty good numbers!

AMD GPU Clock Tool

Need for Speed: Shift shows similar performance gains of ~8%. Not a bad gain for free!

By no means does this write the entire chapter of 5870 overclocking. I’m certain that once more tools are available that we’ll see some monster clock speeds coming out of this beast.

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