![]() Speaking of the overclocking functionality itself, this is where Asus' GPU Tweak III software comes in, making it easy for you to push the card as you see fit. If you're someone who really wants to push what the latest RDNA 3 frontrunner can do then you'll be in good hands here. You're also getting a Game Clock of 2,395 MHz and a Shader Clock of 2,395 MHz for a 6% increase, and that's just out of the box. There's an OC mode of up to 2,615 MHz boost clock. It may not sound too impressive, but that's just the start. It's the fastest base-clocked XTX on the market, as the vast majority of the competition such as ASRock, PowerColor, Gigabyte, Sapphire, XFX, and BioStar don't come close. As an overclocked card, the Asus Tuf RX 7900 XTX Gaming OC features a base clock speed of 1,895 MHz, which is around a 2% increase over the reference card. This supercharged heatsink isn't for nothing. ![]() That added bulk and height does have an impact though, even with a sizable mid-tower like mine, one of the biggest available in terms of raw building space, the power connectors themselves nearly bulging up against the tempered glass and that surprised me given its far leaner foundations. It also has RGB with a front badge on the side which looks nice if you've got a see-through case such as my NZXT H9 Flow (an easy contender for one of the best PC cases available, It comes complete with a triple fan setup armed with a vented exoskeleton to really keep those core temps down. The heatsink itself is truly stellar, though. That's because Asus' version uses 3x 8-pin connectors and is actually a quad-slot with its sizable cooler which makes it more comparable in size to Nvidia's RTX 4090 than the original GPU. Where AMD won favor with its base model (a dual-slot width GPU which only used 2x 8-pin connectors) that's no longer the case with this partner card. Even as far as I could push the card on air, the card never went above 68☌, showing us how amazing the Strix cooler really is.Without question, the Asus Tuf RX 7900 XTX Gaming OC is one of, if not the largest of all the current line-up of flagship RDNA 3 graphics cards. With the GPU running at 2055 MHz, our max temp recorded using GPU Tweak II was 68☌. That being 14592, not that the Time Spy score matters. So, I left the memory slider at +350 on the memory as this was where my highest overall score was with Time Spy. After the memory slider was past +350 on the core, the overall Time Spy score started to decrease. Although the memory slider can be nearly maxed out and still finish the benchmark. Next, we started playing with the memory clock speed. Anything past that, 3DMark, and in some cases the entire system, would crash. The highest we could get the boost clock to was an increase of +55 on the core which gave us an overall clock speed of 2055 MHz. Running 3DMark Time Spy in after each increase to the boost clock. Next, we started increasing the GPU Boost Clock by increments of 10. In the case of the Strix 2080 Ti, it increased the power target by 25 to 125%. First, we increased to power target as high as possible. We set the GPU Tweak II to professional mode and started tweaking. Next, we started playing around with the clock speed of both the memory and the GPU clock speed using GPU Tweak II. I got my answer, 89☌ with a max overclock of 2040 MHz. I just wanted to see how hot the top card would get. Just for fun, we attempted to overclock the top card, with SLI disabled. While running FurMark the max temp hit 60☌. After close to an hour of benchmarking we ran FurMark as one of our benchmarks. Next, we started testing the games we benchmarked for this review. The Strix 2080 Ti, at stock, idled at 38☌. The first temp recorded was the stock idle temperature after a couple hours at idle. We do our best to keep the ambient temperature right around 20☌ during testing. ![]() The ambient temperature at the time of testing was 20☌ or about 68☏. The max temp while gaming for well over an hour was also recorded. To Validate our overclock, we ran 3DMark Time Spy. To monitor temperatures, we used both GPU Tweak II and Hardware Monitor. We only overclocked the GPU and the i9-9900K at its stock speeds. For overclocking, we used ASUS GPU Tweak II for monitoring and adjusting GPU clock and memory speeds.
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