AMD announced ATI Mobility Radeon HD 4000 Series graphics processors at CES.

Radeon HD 4000 Series desktop GPU was a great success last year, and now AMD brings it to notebooks. Ranging from high-end to low-end GPUs, Mobility Radeon HD 4000 family consists of 4800/4600/4500/4300 Series.

High-end lineup includes Mobility Radeon HD 4870/4850, whose specs are similar to their corresponding desktop GPUs. The highest-end Mobility Radeon HD 4870 has employed GDDR5 with core/memory clock of 680/700MHz (2800MHz DDR).

Mainstream lineup is composed of Mobility Radeon HD 4670/4650, while entry-level includes Mobility Radeon HD 4570/4350.

Mobility Radeon HD 4000 Series GPU is set to launch during Q1 this year. Some manufacturers such as Asus, MSI are supposed to bring out relative products soon.