The features like PureVideo HD (UVD3) or OpenCL support are similar to the two graphics cards.Īs both graphics cards are rendering frames, the power consumption is clearly higher than using only one GPU. Only in a best case scenario the performance is similar to the GeForce GT 635M. Therefore, due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains. When i updated it from AMD official site to amdcatalyst13.5beta2, nothing happened but when i updated it to amdcatalyst13.5mobilitybeta2, then system information started showing AMD RADEON HD 7600 series with driver version 12.102.30, and then windows index rating has increased my gaming graphics rating from 6.2 to 6. In some games the performance may even degrade by 10-15% compared to using only the APU graphics card. Additionally, you can choose Operating System to see the drivers that will be compatible with your OS. The performance of the Dual Graphics solution depends greatly on the driver support for the used games. Therefore the combination also suffers from micro stuttering (different spaces between two images lead to stuttering altough the framerate is high enough for fluent gaming with only one GPU). This package provides AMD Radeon HD 7670M/7730M Graphics Driver and is supported on Inspiron 7520/5520 and Vostro Notebook 3560 running the following Windows Operating Systems: Windows 8.1. It is called AMD Dual Graphics or asymmetric CrossFire and uses AFR (Alternate Frame Rendering) to render different frames on the two graphic cores. The AMD Radeon HD 7640G + HD 7670M Dual Graphics is the combination of a integrated AMD Radeon HD 7640G APU processor graphics card and a dedicated entry level AMD Radeon HD 7670M graphics card in CrossFire combination. AMD Radeon HD 7640G + HD 7670M Dual Graphics
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