Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) V2 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 GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) V2 runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 280 W+ 33 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.