AMD Radeon R9 M290X technical specs and benchmarks
This is a GCN architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 4096 GB of GDDR5 memory clocked at 1.2 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 153.6 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 100 Watt.
It provides poor gaming and benchmark performance at 21.47 percent of a leader's which is NVIDIA Quadro P6000.