Comparison of ASRock Radeon RX 6700 XT Phantom Gaming D 12GB OC video card vs Sapphire Radeon RX Vega 64 LE video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Phantom Gaming D 12GB OC runs at 2.457 GHz+ 6 % base clock speed and has 12 GB of GDDR6 memory, while video card Sapphire Radeon RX Vega 64 LE runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 230 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.