AMD Radeon HD 6490M technical specs and benchmarks
AMD started Radeon HD 6490M sales 4 January 2011 at a recommended price of 1,193.03 USD. This is a TeraScale 2 architecture notebook card based on 40 nm manufacturing process and primarily aimed at office use. 0.5 GB of GDDR5 memory clocked at 3.2 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 25.6 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface.
It provides poor gaming and benchmark performance at 1.76 percent of a leader's which is AMD Radeon R9 390 X2.