Comparison of AMD Radeon R5 - 192 (Stoney Ridge) video card vs AMD Radeon HD 7620G video card by specifications and benchmarks. AMD Radeon R5 - 192 (Stoney Ridge) runs at 0.850 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon HD 7620G runs at 0.360 GHz base clock speed and has 2 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.