Still older games like Doom 3 or Quake 4 should be barly playable. Because of pricing it is unclear if any manufacturer will add memory to the chip. Theroretically, dedicated memory chips can be directly added to the chip, making it a dedicated graphics card. Because of the missing graphics memory, the performance of the card is a bit lower than of the HD 3400. The graphics core of the HD 4200 stems from the Mobility Radeon HD 3400 and is therefore DirectX 10.1 capable. The UVD 2 on the HD 4200 supports the decoding of two video stream and therefore got a full Blu-Ray support. The HD 3200 was the first onboard graphics card that allows the fluent playback of Blu-ray videos. Blu-ray) with a relative low CPU utilization (called Avivo HD). The UVD 2 video engine is able to decode HD videos (H.264 and VC-1 in all stages, MPEG-2 only IDCT) and allows the fluent playback of HD videos (e.g. Every frame is rendered by a different graphics core with this technique. Hybrid CrossfireX is a new feature of the chipset, that allowes to use the onboard HD 4200 graphics core in conjunction with a dedicated graphics card (of the Mobilty Radeon HD 3400 series) in Crossfire combination to increase the performance (similar to GeForceBoost / HybridSLI of Nvidia). The later announced Radeon HD 4250 is just a higher clocked version of the HD 4200. It is based on the HD 3400 graphics core and features the UVD 2 video engine to decode HD videos.Ĭompared to the old HD 3200, the 4200 now supports DirectX 10.1 and features the UVD2 video decoder. The AMD ATI (Mobility) Radeon HD 4200 is an onboard (shared Memory) graphics chip (on the RS880M chipset).
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