AMD Radeon R9 M390X technical specs and benchmarks
AMD started Radeon R9 M390X sales 5 May 2015. This is a 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. An additional none power connector is required, and power consumption is at 75 Watt.
It provides good gaming and benchmark performance at 30.65 percent of a leader's which is NVIDIA Quadro P6000.