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We compared the RTX 5080 Noctua Edition to the RTX 5080 Founders Edition using five games from our upcoming rounds of retesting for our GPU Hierarchy. Since this is just a brief test, we favored 4K gaming with a mix of RT-enabled and raster games alike.
Stock for stock, the Noctua Edition is just 4% faster than the Founders Edition, which obviously isn’t much given the Noctua card’s huge increase in size and weight compared to the dual-slot FE. But as you’ll see in our noise testing results, absolute performance isn’t really this card’s mission.
We’ve also rolled up our overclocking results into these charts, and you can see that the Noctua Edition is a strong overclocker indeed, thanks to its massive heatsink. We saw an 11% gain in performance from pushing core and memory clocks to the limit. But the Founders Edition is just 2% slower than the Noctua Edition if you raise its clocks in turn.
In the case of both cards, 10% or better gains from overclocking is a surprisingly large leap in the Blackwell era, and you should absolutely fire up Afterburner on your RTX 5080, no matter its make or model.
In any case, our performance results prove the Asus RTX 5080 Noctua Edition is a full-bore RTX 5080. The two companies clearly didn’t need to impose any power or thermal restrictions on the way to quieting it down, and that means you’re still getting all the performance you’d expect from the second-best gaming graphics card on the market.
Overclocking notes, clock speeds, and power consumption
Overclocking modern GeForce GPUs has followed a simple enough formula for a long time: increase power limits to the max, push core clocks until stability issues arise, and then pull back a bit. Since Blackwell GPUs generally don’t offer core voltage controls, we’re mostly interested in how much higher a power limit third-party cards expose and how high we can push core clocks as a result.
Firing up MSI Afterburner reveals that we have 25% of extra power limit headroom to play with, which is quite generous for a Blackwell card. Memory overclocking is still limited to a +375 MHz increase, however, which is common to all GDDR7 Blackwell cards. Since the Noctua Edition’s cooler is designed to cool both the memory modules and the GPU, we just max this offset out; there’s no reason to expect any instability that would require us to choose a lower memory clock.
After maxing out the power limit and memory clocks, we settled on a stable +436 MHz offset for core clocks, which delivered a mean clock speed of 3227 MHz across the games we tested. That’s 18% higher than stock and, along with the memory clock speed boost, was good for 11% real-world performance gains in our tests, as you’ve already seen.
Overclocking modern graphics cards usually incurs a large corresponding increase in power consumption, but we only saw about 20W higher power consumption from the RTX 5080 Noctua Edition with our OC applied.
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