ASUS Matrix Radeon HD 7970 Platinum Review

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Power Consumption, Noise, Temps

Before bringing this article to a close, we'd like to cover a few final data points--namely power consumption, temperatures and noise. Throughout all of our benchmarking and testing, we monitored acoustics and tracked how much power our test system was consuming using a power meter. Our goal was to give you an idea as to how much power each configuration used while idling and also while under a heavy workload. Please keep in mind that we were testing total system power consumption at the outlet here, not just the power being drawn by the graphics cards alone.

Total System Power Consumption
Tested at the Outlet

The ASUS ROG Matrix 7970 Platinum put up some interesting power consumption numbers. At idle, the card consumed considerably more power than a reference Radeon HD 7970 GHz Edition. Under load though, despite having higher clocks, LED status indicators, dual fans, and a multitude of additional features, the ASUS ROG Matrix 7970 Platinum consumed only slightly more power than the reference card. That’s a testament to the efficiency of the ROG Matrix 7970 Platinum’s 20-phase digital VRM and ASUS’ tuning of the card.

The ASUS ROG Matrix 7970 Platinum’s temperatures were vastly superior to the reference card. Idle temps are comparable, but while under the load the ROG Matrix 7970 Platinum’s cooler is far better at wicking away heat than the reference cooler, as evidenced by the 10 degree delta separating the cards. We should also point out that the ASUS card’s large cooler and 100mm fans are also quieter than reference models. At idle, it’s difficult to pick out any audible differences over the other noise generated by the test system. Under load though, the reference card definitely produced a louder, higher pitched hum.

Tags:  AMD, Asus, Radeon, Matrix, platinum

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