Benchmarks - 3DMark 11
3DMark 11 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.
Focussing on the Extreme preset of this popular benchmark, the GTX 690 is 83 per cent faster than a GTX 680. It also beats out two Radeon HD 7970s in CrossFireX but loses to two GTX 680s by around two per cent. Yup, it's quick.