Comparison of Sapphire Nitro+ Radeon RX Vega 64 video card vs Manli GeForce RTX 3080 Ti (M3478+N613-00) video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX Vega 64 runs at 1.373 GHz+ 10 % base clock speed and has 8 GB of HBM2 memory, while video card Manli GeForce RTX 3080 Ti (M3478+N613-00) runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 295 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.