Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs GALAX GeForce GT 1030 EX White DDR4 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 GT 1030 EX White DDR4 runs at 1.151 GHz base clock speed and has 2 GB of DDR4 memory. The TDP of the first video card is 280 W+ 33 %, and the second is 30 W+ 50 %. Compare the table of benchmark results to find out which graphic card is better.