A new page on Dells support site has revealed that the PC makers Studio 15 notebook will soon be available with a new, yet unreleased graphics card from ATI first announced at CES 2009, the ATI Mobility Radeon HD 4570. The support page lists a support driver for the new GPU as well as the existing GMA 4500MHD processor for a new notebook model called the Studio 1555. This suggests the new HD 4570 GPU will be offered as an option on the new notebook.

The 4500 series of ATIs graphics chips also includes the 4530 model, and both have 80 stream units to keep both energy use and their price low. The chips have AMDs full DirectX 10.1/OpenGL 2 effects support, hardware movie decoding and general-purpose GPU calculations. The chips have programmed-in power saving software and have the ability to switch to the integrated graphics chipset when their performance is not needed.

No pricing or actual release date for the Studio 15 option is known at this time.
Source: Electronista