AMD will soon release Radeon HD 4600 series graphics chips, code-named RV730.

Radeon HD 4600 series graphics chips support 128-bit memory interface, have 320 stream processors with 750MHz core speed, 512MB 1.8GHz GDDR3 memory.

It’s learnt that Hyundai and Samsung Electronics will be the two main video memory providers for Radeon HD 4600 series graphics cards, In addition, there are a version of Radeon HD 4600 with 600MHz core speed.

Radeon HD 4600 series graphics chips have the second generation video engine - UVD2 inside. With advanced 55nm process, Radeon HD 4600 series graphics chips run much cooler, so the graphics card do not have an external power supply.