Comparison of AMD Radeon 8 Graphics (Renoir) video card vs AMD Radeon HD 6620G video card by specifications and benchmarks. AMD Radeon 8 Graphics (Renoir) runs at 2.100 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon HD 6620G runs at 0.440 GHz base clock speed and has 1 GB of memory. The TDP of the first video card is --, and the second is --. Compare the table of benchmark results to find out which graphic card is better.