![]() ![]() The stream processors are also called ALUs and are grouped in five-way VLIW units. These cores do the graphic work of the shader- and pixel pipelines of older GPUs. The Mobility HD 4650 is based on the RV730 chip and features 320 stream processors (64 5-dimensional shader cores). Demanding DX10 games from 2008 like Crysis run only in low-medium details fluently. Most DirectX 9 games (like Call of Duty 4, F.E.A.R., or Unreal Tournament 3) should be playable in medium to high details (in 1024x768). The gaming performance of the GPU lies a bit below the HD 4670. Later the HD 4650 was also introduced as Mobility Radeon HD 5165. The successor of the HD 4650 is the Mobility Radeon HD 5650 with DirectX 11 support and improved performance. Technically it is a slower clocked Mobility Radeon HD 4670. The ATI Mobilty Radeon HD 4650 from AMD is a DirectX 10.1 middle-class notebook graphics adapter.
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