Comparison of AMD Radeon Vega 8 Graphics video card vs AMD Radeon R4 (Beema) video card by specs and benchmarks. AMD Radeon Vega 8 Graphics runs at 1.800 GHz base clock speed and has 2 GB of memory, while video card AMD Radeon R4 (Beema) runs at 1.800 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.