NVIDIA GeForce GT 645M technical specs and benchmarks
NVIDIA started GeForce GT 645M sales 22 March 2012. This is a Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at gamers. 2 GB of DDR3\GDDR5 memory clocked at 1.8 GHz are supplied, and together with 128bit memory interface this creates a bandwidth of Up to 64.0 GB/s.
Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. Its power consumption is at 32 Watt.
It provides poor gaming and benchmark performance at 5.05 percent of a leader's which is NVIDIA Quadro P6000.