Comparison of Sapphire Radeon RX Vega 56 video card vs Colorful iGame GeForce RTX 3070 Ti Vulcan OC 8G-V video card by specifications and benchmarks. Sapphire Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card Colorful iGame GeForce RTX 3070 Ti Vulcan OC 8G-V runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 210 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.