Acer Laptop Aspire AMD A8-Series A8-3520M (1.6GHz) 4GB Memory 500GB HDD AMD Radeon HD 6620G 15.6" Windows 7 Home Premium 64-Bit AS5560-8480 Laptops / Notebooks - Newegg.com
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Download and install Advanced Micro Devices, Inc. AMD Radeon HD 6620G - driver id 388806
AMD Radeon HD 6620G | Graphic card Benchmarks | PC Builds
HP Pavilion dv6 (AMD Radeon HD 6620G) vs. AMD Radeon HD 6670 in GFXBench - unified graphics benchmark based on DXBenchmark (DirectX) and GLBenchmark (OpenGL ES)