Comparison of PowerColor Radeon RX Vega 64 Limited Edition video card vs PNY GeForce GTX 1070 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 PNY GeForce GTX 1070 runs at 1.506 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 150 W. Compare the table of benchmark results to find out which graphic card is better.