AMD Radeon HD 7870M: specs and benchmarks
AMD started Radeon HD 7870M sales 24 April 2012. This is GCN 1.0 architecture notebook card based on 28 nm manufacturing process and primarily aimed at gamers. 2 GB of GDDR5 memory clocked at 4 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 64 GB/s.
Compatibility-wise, this is card attached via PCIe 3.0 x16 interface. Power consumption is at 45 Watt.
It provides poor gaming and benchmark performance at 10.21 percent of a leader's which is AMD Radeon R9 390 X2.