Comparison of PowerColor Radeon RX Vega 56 Nano Edition video card vs Colorful iGame GeForce RTX 3080 Ultra OC 10G-V video card by specifications and benchmarks. PowerColor Radeon RX Vega 56 Nano Edition runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card Colorful iGame GeForce RTX 3080 Ultra OC 10G-V runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 210 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.