HIS Radeon R9 390X IceQ X2 OC

Published: 6th Jul 2015, 12:13 GMT

Power Consumption

The Radeon R9 390X actually does consume less power than R9 290X, but only on certain condition. The card is basically overclocked Hawaii chip, so it can’t magically require less power, but thanks to more optimized power states and matured drivers, R9 390X actually does consume less power, but during 4K playback.

R9390X GTX980 Power Consumption

HIS R9 390X vs GTX 980 vs R9 290X — Power Consumption

 Temperature and noise

Temperature rose to 85C during Furmark test, which is 4C higher than R9 290X. That’s because 390X is clocked higher than 290X and cooling solution has not been modified – it’s the same cooler. I actually managed to lower this temperature with new thermal-paste (Arctic MX4), but only by 2C. HIS scarified lower temperatures in favor of lower noise levels. Manufacturer claims noise level should not exceed 28dB. I was genuinely surprised how quiet this card is under load (compared to other cards I tested).

MSI GTX 980 GAMING has more efficient cooler, but the downside of ZeroFrozr technology makes the GPU run hotter at idle. The ZeroFrozr state was usually engaged when I left my PC alone, starting any HD YouTube video immediately initialized at least one fan.

R9390X GTX980 GPU Temperature

HIS R9 390X vs GTX 980 vs R9 290X — GPU Temperature

  Memory Utilization

Finding a game that can utilize the whole frame buffer is not very hard, but finding a game that utilizes full buffer AND allows ‘virtual’ rendering at higher resolutions is a bit trickier. It is important because I don’t have 4k monitor for tests, meanwhile R9 390X is dedicated for this resolution. Synthetic benchmarks are far from useful in this test. Only two games I own offer such option: GTA5 and SoM.

The results from GTA5 have shown too much variance, the highest reported memory usage by Afterburner was 5711 MB (R9 390X), R9 290X and GTX 980 were quickly capped at 1.5x resolution rendering.

Same thing happened in Shadow of Mordor as both R9 290X and GTX 980 were quickly out of memory, but already at 1440p. The highest memory utilization of R9 390X reported by Afterburner was 6042 MB at 5120×2880 resolution.

mordor 1440p 2160 290x

R9 290X @ 1440p

mordor 1440p

R9 390X @ 1440p

mordor 2160p

R9 390X @ 2160p

mordor 2880p

R9 390X @ 2880p

Review Contents
Page 1Introduction
Page 2Overview HIS Radeon R9 390X IceQX² OC
Page 3Overview MSI GeForce GTX 980 GAMING 4G
Page 4Testing platform and methodology
Page 5Test Overclocking
Page 6Test Power consumption ● Temperature ● Memory Utilization
Page 7Test 3DMark11 ● 3DMark ● Catzilla ● Unigine Valley ● CompuBench
Page 8Test Batman: AO ● COH2 ● GRID: A. ● Hitman A. ● Metro: LL ● THIEF ● Tomb Raider ● SoM ● SE3
Page 9Bonus Content Radeon R9 390X & R9 290X CrossFire mini-test
Page 10Conclusion

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