Overclocking - Let's See How Far We Can Go
I didn't expect to squeeze much out of the HIS Radeon R9 390 IceQ X2 OC 8GB, but let's see if we can bridge that gap between the 390 and the 390X with some overclocking. We used SAPPHIRE's Trixx software to overclock the card, since HIS doesn't have any OC software of its own. With a stock GPU clock of 1020MHz, I quickly cranked the GPU up to 1100MHz and found that it was stable, which surprised me. Next up, I went to 1140MHz and again, we were stable in a Heaven. The next goal was 1200MHz, which was stable in Heaven for a minute or two, but then it resulted in a black screen.
Next up, I tried out Metro: Last Light, but we were getting some weird graphical glitches at 1140MHz, which resulted in some odd performance that was hitting around 25FPS. Scaling back to 1100MHz was the most stable, which is what we conducted our OC results on.
Metro: Last Light
3DMark Fire Strike Extreme - 1440p
Heaven - 1440p
For most of our testing, the HIS Radeon R9 390 IceQ X2 OC 8GB was consuming around 320-330W of power, but under our massive overclock and voltages reaching huge levels, we noticed an insane 470W of power being consumed. This isn't the fault of HIS, but of AMD, so it's not just the HIS Radeon R9 390 IceQ X2 OC 8GB that is going to consume lots of power, but most of the Hawaii or Grenada-based cards will consume more power than cards from NVIDIA's Maxwell range (GTX 900 series, Titan X).
During our testing, the HIS Radeon R9 390 IceQ X2 OC 8GB was mostly silent, but when the card was under duress - during our serious overclocks on it - there was some whine coming from it. We're using an open-air test bed, so you won't hear most of this when it's installed into a chassis, but it's something you should be aware of.
When the card was under load, the fan was sitting at around 56%, while the temperatures reached 90-92C. We did have the voltage on the card nearly maxed out, which would explain the additional noise, and the temperatures reaching over 90%.
During the actual sound testing though, the HIS Radeon R9 390 IceQ X2 OC 8GB was the loudest card of them all when the fan was manually set to 100%. Even at 50%, it was quite loud - yet during Battlefield 4 testing, it was surprisingly quiet.
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- Page 1 [Introduction, Quick Specs and Availability & Price]
- Page 2 [Packaging & Detailed Look]
- Page 3 [Card Specifications & Cooling Setup]
- Page 4 [Testing Method & Test System Configuration]
- Page 5 [Benchmarks - Synthetic]
- Page 6 [Benchmarks - 1080p]
- Page 7 [Benchmarks - 1440p]
- Page 8 [Benchmarks - 4K]
- Page 9 [Performance Summary]
- Page 10 [Overclocking, Power Consumption and Sound Testing]
- Page 11 [Software]
- Page 12 [What's Hot, What's Not & Final Thoughts]