NVIDIA GeForce GT 650M Mac Edition: specs and benchmarks
NVIDIA started GeForce GT 650M Mac Edition sales 12 July 2012. This is Kepler architecture desktop card based on 28 nm manufacturing process and primarily aimed at office use. 0.5 GB of GDDR5 memory clocked at 5.02 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 80.26 GB/s.
Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. No additional power connector is required, and power consumption is at 45 Watt.
It provides poor gaming and benchmark performance at 1.66 percent of a leader's which is AMD Radeon R9 390 X2.