Comparison of PowerColor Radeon RX Vega 64 Limited Edition video card vs ZOTAC GAMING GeForce RTX 2070 SUPER MINI video card by specifications and benchmarks. PowerColor Radeon RX Vega 64 Limited Edition runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card ZOTAC GAMING GeForce RTX 2070 SUPER MINI runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 295 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.