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PowerColor R9 290X OC Review

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PowerColor R9 290X OC Testing:

Power consumption of the system will be measured at both idle and loaded states, taking into account the peak voltage of the system with each video card installed. I will use Unigine's Heaven Benchmark version 4.0 to put a load onto the GPU using the settings below. A 15-minute load test will be used to heat up the GPU, with the highest power usage recorded as the final result. The idle results will be measured after 15 minutes of inactivity on the system with the lowest recorded power usage as the final result.


  • Unigine 4.0 Heaven Benchmark
  • 1920x1080 resolution
  • 8x AA
  • 15-minute load test
  • 15-minute idle test
  • Measurement is in watts

















Looking at the stock power consumption at idle, the R9 290X OC looks quite impressive with the second lowest idle power consumption. With the massive die size and hardware under the hood, it's pretty impressive and shows the latest iteration of Zero Core Power works as intended. Under load we don't see any surprises, but power consumption for the system is greater than the GTX Titan. You got to feed the beast. Overclocked idle numbers are not as impressive, but then the fan is also screaming along at 100% fan speed. When you look at the overclocked load usage we see the R9 290X OC is using less current than the GTX Titan. At this point the lack of voltage control helps here in keeping the consumption down.

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