Comparison of Sapphire Nitro+ Radeon RX Vega 56 video card vs MANLI GeForce RTX 3080 (M3478+N613-00) video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 56 runs at 1.266 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card MANLI GeForce RTX 3080 (M3478+N613-00) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 325 W+ 55 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.