3DMark
3DMark is the latest version of this hugely-popular synthetic benchmark. Making use of DX11 features such as tessellation, compute shaders and multi-threading, it provides modern-day results and is available as a free download.
We're always impressed to see how well a GTX 970 can overclock. With the raised frequencies in place, Gainward's GTX 970 Phoenix pulls out a lead of up to 14 per cent over a basic reference card.