NVIDIA GeForce GT 820M: specs and benchmarks
NVIDIA started GeForce GT 820M sales 27 November 2013. This is Fermi 2.0 architecture desktop 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. No additional power connector is required, and power consumption is at 15 Watt.
It provides poor gaming and benchmark performance at 4.31 percent of a leader's which is AMD Radeon R9 390 X2.