Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs KFA2 GeForce RTX 3080 EX Gamer White (1-Click OC) LHR video card by specifications and benchmarks. Sapphire Pulse Radeon RX Vega 56 runs at 1.208 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory, while video card KFA2 GeForce RTX 3080 EX Gamer White (1-Click OC) LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 280 W+ 33 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.