Comparison of AMD Radeon HD 6520G video card vs AMD Radeon R5 - 128 (Beema) video card by specifications and benchmarks. AMD Radeon HD 6520G runs at 0.400 GHz base clock speed and has 1 GB of memory, while video card AMD Radeon R5 - 128 (Beema) runs at 0.800 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.