AMD Radeon R9 M390X: specs and benchmarks
AMD started Radeon R9 M390X sales 5 May 2015. This is GCN 3.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 4096 GB of GDDR5 memory clocked at are supplied, and together with 256 Bit memory interface this creates a bandwidth of 160.0 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 75 Watt.
It provides poor gaming and benchmark performance at 23.44 percent of a leader's which is AMD Radeon R9 390 X2.