NVIDIA GeForce GTX 850M: specs and benchmarks
NVIDIA started GeForce GTX 850M sales 12 March 2014. This is Maxwell architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 2 GB of DDR3 memory clocked at 2.5 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 80.0 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 10.84 percent of a leader's which is AMD Radeon R9 390 X2.