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Sapphire Radeon HD 7950 3GB Vapor-X Review

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Power consumption of the system will be measured at both idle and loaded states, taking into account the peak wattage of the entire system with each video card installed. I will use Unigine's Heaven Benchmark version 3.0 to put a load onto the GPU using the settings below. A 15-minute load test will be used to simulate maximum load with the highest measured wattage value recorded as the result. The idle results will be measured as the lowest wattage value recorded with no activity on the system.


  • Unigine 3.0 Heaven Benchmark
  • 1920 x 1080 Resolution
  • 8x AA
  • 15-minute load test
  • 15-minute idle test
  • Measurement is in watts













As expected, the Sapphire HD 7950 3GB Vapor-X pulls very little power at idle speeds, but does pull a bit more than the rest of the field when running at full load. When overclocked, the numbers are again similar: good idles with relatively high load power draw. Compared to the GTX 660s rounding out the field, this card does pull a bit more power, but also tends to perform better as well.

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