Doom
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Absurdly violent and increasingly gruesome at every turn. It's fast, it's frantic, it's Doom. A game that needs no introduction to PC enthusiasts, this 2016 reboot brings hell's evil forces to life with updated visuals and is without a doubt one of the most eagerly anticipated launches in years.
Doom is benchmarked using the much-publicised Vulkan API. Our usual performance measurement tool, FRAPS, doesn't work under Vulkan so we're using PresentMon to evaluate performance. PresentMon is more convoluted as it calculates the time between intervals and doesn't offer a minimum framerate, as evaluated over a full second, so we're sticking with the average for now.
What's interesting here is the drop-off in frame rate at 4K. It's the only instance in our suite that it occurs, where 3GB of memory doesn't function as well as 6GB due to the Ultra quality settings.
One can argue that it's largely academic as the 4K frame rate isn't high enough, at these settings, for a fluid experience. The same drop-off isn't observed for the Radeon RX 480s, mind.
However we cut it, the winner at the £200 price point is the Sapphire RX 480 4GB.