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Sapphire Radeon HD 7790 Dual-X OC Review

ccokeman    -   March 21, 2013
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Sapphire HD 7790 Dual-X OC Testing:

Temperature testing will be accomplished by loading the video card to 100% using Unigine's Heaven Benchmark Version 4.0, with MSI's Afterburner overclocking utility for temperature monitoring. I will be using a resolution of 1920x1200 using 8xAA and a five-run sequence to run the test, ensuring that the maximum thermal threshold is reached. The fan speed will be left in the control of the driver package and video card's BIOS for the stock load test, with the fan moved to 100% to see the best possible cooling scenario for the overclocked load test. The idle test will involve a 20-minute cool-down, with the fan speeds left on automatic in the stock speed testing and bumped up to 100% when running overclocked.

 

Settings

  • Monitoring with MSI Afterburner
  • Unigine Heaven 4.0 1920x1080 8x AA
  • 5-run sequence
  • 20-minute idle duration
  • Temperature measured in degrees Celsius

 

 

 

 

 

 

 

 

 

 

 

 

At idle, the HD 7790 Dual-X from Sapphire is not particularly impressive from a temperature standpoint. However the Dual-X fan configuration is dead silent in an idle state. That being said the temperatures are in line with the lower fan speeds. Where the Dual-X cooling solution shines is when a load is imparted on it. In both of the load tests the Sapphire Dual-X-equipped HD 7790 is the coolest running card in the comparison stack; fully 11 degrees better than the GTX 650Ti when both are overclocked.




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