AMD Radeon R7 M340: specs and benchmarks
AMD started Radeon R7 M340 sales 5 May 2015. This is GCN 1.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 4096 GB of DDR3 memory clocked at 1000 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 16 GB/s.
Compatibility-wise, this is card attached via PCIe 3.0 x8 interface.
It provides poor gaming and benchmark performance at 5.22 percent of a leader's which is AMD Radeon R9 390 X2.