ATI Mobility Radeon HD 4850: specs and benchmarks
ATI started Mobility Radeon HD 4850 sales 9 January 2009. This is TeraScale 2 architecture notebook card based on 55 nm manufacturing process and primarily aimed at office use. 1 GB of GDDR3 memory clocked at 1.7 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 54.4 GB/s.
Compatibility-wise, this is card attached via PCIe 2.0 x16 interface.
It provides poor gaming and benchmark performance at 4.70 percent of a leader's which is AMD Radeon R9 390 X2.