The simple answer – anything from GTX 1080 Ti upwards. But to put it to the test more scientifically, we benchmark GTX 1060, GTX 1660, GTX 1660 Ti and RX 580 at 1080p resolution on a range of games, then see what kind of graphics card you need to get the same performance – or better – at native 4K. But is spending this much power on painting 8.3 million pixels really the best use of your GPU?
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