NVIDIA GeForce 820M: specs and benchmarks
NVIDIA started GeForce 820M sales 27 November 2013. This is Fermi 2.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 1 GB of DDR3 memory clocked at 1.8 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 14.4 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface. Power consumption is at 15 Watt.
It provides poor gaming and benchmark performance at 4.09 percent of a leader's which is AMD Radeon R9 390 X2.