Comparison of Sapphire Radeon RX Vega 56 video card vs INNO3D GeForce RTX 3080 X3 OC LHR 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 INNO3D GeForce RTX 3080 X3 OC LHR 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 320 W. Compare the table of benchmark results to find out which graphic card is better.