3DMark - Time Spy
Rendered at a 2,560x1,440 QHD resolution and making use of DX12 technologies such as asynchronous compute, explicit multi-adapter and multi-threading, Time Spy is a forward-looking 3DMark benchmark that hints at GPU potential in various upcoming games.
It's somewhat comforting to know these £250-odd cards offer significantly more performance than the venerable, big-selling GTX 970.
That huge cooler has no problems in providing consistent runs, either.