Comparison of AMD Radeon RX 660M video card vs AMD Radeon 8 Graphics (Renoir) video card by specifications and benchmarks. AMD Radeon RX 660M runs at 1.900 GHz base clock speed and has 8 GB of memory, while video card AMD Radeon 8 Graphics (Renoir) runs at 2.100 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.