Comparison of Sapphire Radeon RX Vega 64 video card vs GIGAYBYTE GeForce GT 1030 Silent Low Profile 2G video card by specifications and benchmarks. Sapphire Radeon RX Vega 64 runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card GIGAYBYTE GeForce GT 1030 Silent Low Profile 2G runs at 1.227 GHz base clock speed and has 2 GB of GDDR5 memory. The TDP of the first video card is 295 W, and the second is 30 W. Compare the table of benchmark results to find out which graphic card is better.