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XFX Radeon R7 370 2GB Black Edition Review

Overclocking, Audio, Heat & Power

The first thing I do when I overclock is run a baseline test in 3DMark. This gives me a comparison score to ensure that my overclocked settings are stable. In this case, I saw a result of 5820. Next, I adjust my power limit to its peak (+20% in this case). I rerun my baseline to verify that the higher power limit doesn't cause issues.

For the R7 370, I proceeded to adjust the core clock rate in 10MHz increments. 3DMark Fire Strike was run each time, and once I hit 1100MHz, I ran Battlefield 4 to verify stability in another title. Everything checked out, so I kept pushing, though my increments shrank to 5MHz.

Overclocking XFX’s R7 370 Black Edition proved to be a peculiar endeavor. It was stable in 3DMark, but strangely the scores I was seeing barely changed. From stock at 1040MHz all the way up to 1110MHz, I saw fluctuations between 5820 and 5944.

Thinking something was wrong, I rebooted to see if my numbers changed. No dice. It's strange, but it seems like overclocking does little to this card's 3DMark score. Ultimately, the maximum stable core clock ended up being 1125MHz.

Next up was memory. The GDDR5 on this particular sample is pretty impressive, it turns out. From the factory, XFX sets a 1450MHz clock rate (5.8GT/s), but I was able to push to 1600MHz (6.4GT/s), maxing out the slider bar.


XFX employs a pair of 90mm IP5X fans that the company says are optimized for quiet operation without compromising cooling efficiency. The fans are controlled by the graphics card’s BIOS and should slow down and speed up as needed.

Despite XFX's claims, our recorded sound levels are among the highest for a current-generation mainstream card. The fans are nearly inaudible when the board isn’t under load. But in a game, they aren't quiet at all. At stock clock rates, we measured 47.5 dB(A), and the noise increased 3dB more after overclocking.


I’ve worked with Maxwell-based GPUs plenty, and am intimately familiar with their temperature characteristics. But this is my first Pitcairn-based board. Further, I have little first-hand experience with AMD’s other recent GPUs. I've been told these chips are going to run hot, though. The R9 270X, which predates the R7 370, operated at 80 degrees when we first tested it in October 2013. And when Igor looked at MSI’s R7 370 Gaming, it ran hotter than 75 degrees.  

It seems that XFX found a way to break the mold. Of the four cards in our round-up, the R7 370 Black Edition operates at the coolest temperature. Before overclocking the card, it peaked below 60 degrees. The heat sink apparently does its job well and the fans, though loud, move enough cool air to keep the GPU at lower temperatures than we've seen in the past. Perhaps XFX could have given up some of its thermal margin in favor of a quieter cooling solution.


XFX’s R7 370 turns out to be reasonably power-friendly. At idle, it draws as little as 8.8W, matching Asus' GTX 950 Strix. Even under a FurMark torture test it only draws 134W. In comparison, AMD's next step up, the Radeon R9 380, pulls as much as 81W more under load. It requires almost 200W just to run Battlefield 4. XFX’s Radeon R7 370 only needs 122W in the same test, which is only 12W more than the Maxwell-based GTX 950.

Kevin Carbotte is a Contributing Writer for Tom's Hardware US. He writes news and reviews of graphics cards and virtual reality hardware.