Sapphire RX 580 Nitro+ Limited Edition 8GB Review

Power consumption was measured after 5 minutes of load under three scenario: Furmark, Unigine Heaven and desktop idle in sequential order with 2 minutes of downtime in between each test. The measurement was taking using an Energenie ENER007 power meter and measured for the whole system at the power supply, excluding the monitor.

While Furmark and desktop idle provide stable and consistent power read-outs, Unigine Heaven does not so the power reading is taken as the peak value that occurs in Scene 2 of 26.

The RX 480 was already behind the competition in terms of performance per watt, particularly the GTX 1060. Unfortunately, the RX 580 does nothing to improve the situation because it's clocked higher and consumes more power as a result.

Sapphire exacerbate this situation with an aggressive overclock which leaves their RX 580 consuming more power than a GTX 1080 in some scenarios.

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