NVIDIA GeForce GT 420M: specs and benchmarks
NVIDIA started GeForce GT 420M sales 3 September 2010. This is Fermi architecture notebook card based on 40 nm manufacturing process and primarily aimed at office use. 0.5 GB of DDR3 memory clocked at 0.8 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 25.6 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 23 Watt.
It provides poor gaming and benchmark performance at 3.03 percent of a leader's which is AMD Radeon R9 390 X2.