Comparison of AMD Radeon HD 7660G video card vs AMD Radeon R5 - 192 (Stoney Ridge) video card by specs and benchmarks. AMD Radeon HD 7660G runs at 0.500 GHz base clock speed and has 8 GB of memory, while video card AMD Radeon R5 - 192 (Stoney Ridge) runs at 0.500 GHz base clock speed and has 2 GB of memory. The weight is different, -- vs --. The TDP of the first video card is --, and the second is -- . Compare the benchmark results to find out which video card is better.