Sapphire Nitro+ Radeon RX 64 Limited Edition review: Taming Vega's flaws with brute force

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Ashes of the Singularity

Ashes of the Singularity ($40 on Steam), running on Oxide’s custom Nitrous engine, was an early standard-bearer for DirectX 12, and all these years later it’s still the premier game for seeing what next-gen graphics technologies have to offer. We test the game using the High graphics setting, as the wildly strenuous Crazy and Extreme presets aren’t reflective of real-world usage scenarios.

snp aots 4k Brad Chacos/IDG
snp aots 1440 Brad Chacos/IDG

The Sapphire Nitro+ Radeon RX 64 Limited Edition falls between its siblings yet again. The GTX 1080 destroys AMD’s Vega trio in DirectX 11, but Vega goes toe-to-toe with Nvidia’s card in DirectX 12. If you’re on Windows 10, that means neither side holds a major advantage; but if you’re on Windows 7, which doesn’t support DirectX 12, GeForce is a better buy for Ashes fans.

Next page: Power, heat, and noise

At a Glance
  • The Sapphire Nitro+ Radeon RX 64 Limited Edition eliminates Vega's heat and noise issues with the most impressive cooling we've seen.


    • The most effective GPU cooler we've tested
    • Very quiet fans
    • Overclocked and built to overclock more
    • GPU support bracket included


    • Gargantuan size
    • Some coil whine
    • Performs like GTX 1080, priced like GTX 1080 Ti
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