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Date: November 23rd, 2009
Article by: Nathan Glentworth (Owner / Head Editor)
Product was submitted by: Sapphire
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VIDEOCARD OVERCLOCKING



With a stock value of 850Mhz core and 1200Mhz memory set, I tried to push the card to its 100% stable ceiling. Through several hours of testing and benchmarking, I finally found a 100% stable overclock of 950Mhz core and 1435Mhz memory which resulted in an astounding 100Mhz core and 235Mhz DDR5 overclock. That is nothing less than spectacular for a stock cooled card that only went up to maybe 57c during load testing. This should result in some excellent performance improvement over the stock results which you will see in the upcoming benchmarking section.

 

 

 

 

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 Vapor-X HD4850
Sapphire HD4850 X2 Check Prices
XFX Black Edition 9800GTX+ Check Prices
XFX HD4770 Check Prices
Sapphire HD 4770 Check Prices
HIS HD4850 iCooler
HIS HD4890 iCooler x4
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)
Heaven DX11 Benchmark ( 8x AA / 16x AF)

 

 


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