Comparison of PowerColor Radeon RX Vega 64 Limited Edition video card vs GIGABYTE AORUS GeForce GTX 1070Ti 8G 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 GIGABYTE AORUS GeForce GTX 1070Ti 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 295 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.