NVIDIA GeForce 820M: specs and benchmarks
NVIDIA started GeForce 820M sales 21 March 2015. This is Kepler architecture notebook card based on 28 nm manufacturing process and primarily aimed at office use. 2 GB of DDR3 memory clocked at 1.8 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 28.83 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 3.89 percent of a leader's which is AMD Radeon R9 390 X2.