The best card this side of £400? This big beastie uses the brute force approach to cooling what is supposed to be a 150W GPU. All told, it's 302mm long, 109mm high and occupies 2.5 slots - or, really, three for most motherboards.

Inno3D's premise here is that massive cooling capacity enables a whisper-quiet card that's also partial to some overclocking love. This X3 variant chimes in at 1,620MHz core speed which leads to 1,823MHz average boost. Compared to the bevy of other GTX 1070s out there, the frequency is just above average. Helping matters along a touch is the overclocked memory, running at 8,208MHz on this model, up from the default 8,008MHz.