Comparison of AMD Radeon R5 - 256 (Kaveri) video card vs AMD Radeon RX Vega M GH Graphics video card by specs and benchmarks. AMD Radeon R5 - 256 (Kaveri) runs at 0.550 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon RX Vega M GH Graphics runs at 0.550 GHz base clock speed and has 4 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.