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Sapphire R9 390X & 390 Nitro Review | Page 5 | Black Hole Tec

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Sapphire R9 390X & 390 Nitro Review - Page 5

Submitted by Robbie Pyckhout on Tue, 06/28/2016 - 09:35



Introduction, features & showcase
Testing Methods
1080P Graphics Performance
4K Graphics Performance
Power Consumption & Overclocking

Power Consumption

We used a UMP meter to accurately measure and monitor the total power consumption of our test system. The average power consumption from each test is displayed in the chart. The PSU used is the Aerocool GT-1050SG which did its job well.

No surprises here, as expected, both cards consume around the same amount of energy as their predecessors. That said, Hawaii wasn't really known as energy-efficient graphics cards, so neither are these two SAPPHIRE cards on the Grenada rebrand. While the R9 390X offers performance close to what we've seen with the GTX980, it consumes 60Watt more, which is quite a bit.



We used a small increase in voltage to reach higher clockspeeds on both memory and core. This within a safe temperature range for both VRMs and the GPU itself. Using SAPPHIRE's own overclocking tool, it was easy to change those values in an effective way. For both cards, we reached a reasonable overclock from their default speed to 1204MHz on the core and 1656MHz on the memory. This is quite a bit higher than what we were able to reach on the MSI R9 290X Gaming.

  MSI R9 280X Gaming MSI R9 290X OC Gaming SAPPHIRE R9 390X Nitro SAPPHIRE R9 390 Nitro
Max Core Clockspeed 1200MHz 1175MHz 1204MHz 1204MHz
Max Memory Clockspeed 1640MHz 1540MHz 1656MHz 1656MHz


Even while Nvidia's Maxwell and Pascal cards overclock horribly good, we were not disappointed with what we reached on these cards today. Even in crossfire, we were able to maintain the same settings and run all games smoothly for hours. The boost in performance is certainly welcome when you're playing on 4K. SAPPHIRE's R9 390X wasn't able to reach the same kind of performance as an highly overclocked GTX980 with its own overclock, but certainly got a worthy increase in performance as well. Take a look at what we were able to achieve in the 3 different FireStrike tests:

Adding more voltages required a higher fanspeed due to the high temperatures, this predicts what's coming next!



About the Author

Keeping up with new inventions and technological improvements is kinda my thing. Writing about technology is just a result of my fascination with it. I hope to provide readers with as much news as possible, everyday.
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