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.
Taking the Fire Strike test into account, Ti Boost is over 25 per cent faster than GTX 650 Ti. Understand that both cards produce roughly analogous GFLOPS throughput and the faster, fatter back-end of the Boost comes into play.