Like AMD's 4000 series desktop graphics cards, this mobility 4000 series cards are also faster than its predecessors. The use of GDDR5 memory and 800 stream processing units and a new, cooler 55nm manufacturing process makes this chip the top end.
Besides, AMD will also introduced 4600 and 4500 series cards, with GDDR3 memory and 320 stream processing units which focus more on multimedia and, using the second generation Unified Video Decoder which enables smooth Blu-ray playback. This not only reduces CPU usage, but also improves power consumption as well.
Mobility Radeon 4000 specs.
