Comparison of PowerColor Radeon RX Vega 64 Limited Edition video card vs ZOTAC GAMING GeForce RTX 3070 Ti Trinity 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 3070 Ti Trinity runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 295 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.