GPU Cafe spotted the upcoming Dell Studio 1555 will be one of the first notebooks with the new ATI Mobility Radeon HD 4570 GPU.
Mobility Radeon 4570 is based on M92, the mGPU sibling of the RV710. It is manufactured on the 55nm process at TSMC and boasts 80 shader processors, 8 TMUs, 4 ROPs coupled with a 64-bit memory interface. The TDP rating of Mobility 4570 is just 13W. In terms of performance, the Mobility Radeon 4570 should outperform the competing mGPU from Nvidia, the Geforce G110M by 20-30%.