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Date: May 29th, 2009
Article by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Sapphire Technology
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VIDEOCARD OVERCLOCKING



As with any videocard, overclocking is an art form that requires patience to find the right balance of performance while keeping the videocard 100% stable. With a stock baseline set at 750Mhz Core and 800Mhz memory, through constant testing and benchmarking, I was able to push the core up to 820Mhz for an additional 70Mhz and the memory could be increased all the way up to 840Mhz for a 40Mhz increase. The overclock was rock solid stable and as you will see in the upcoming benchmarks, it did increase the performance by a sizable margin. You can consider it free speed for no extra money. With additional memory cooling, I could have probably got a little more from the GDDR5, but this overclock was rock stable as it was now.

 

VIDEOCARD BENCHMARKING



The Testbed is comprised of:


Intel QX9770 Extreme Quad Core 3.2Ghz Processor Check Prices
Gigabyte P35-DS4 Premium Motherboard Check Prices
Crucial Ballistix Tracer 2Gig PC-8500 DDR2 Memory Check Prices
Windows Vista Ultimate Premium Check Prices
Maxtor 250gig SATA-150 HD Check Prices


PCI Express Videocards Benchmarked Against:


Sapphire HD4850 X2 Check Prices
XFX Black Edition 9800GTX+ Check Prices
HIS HD4870 IcQ4+ 1Gb Check Prices

Benchmarking Programs Are:

3DMark Vantage
3DMark2006
Half Life 2 Episode 2 HOC Benchmark
Far Cry 2 ( 8x AA / 16x AF)
Quake Wars: Enemy Territory ( 8x AA / 16x AF)
Devil May Cry 4 ( 8x AA / 16x AF)
Crysis ( 8x AA / 16x AF)
Crysis WarHead ( 8x AA / 16x AF)

 

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