Comparison of Sapphire Pulse Radeon RX Vega 56 video card vs MANLI GeForce GTX 1080 Ultimate (F305G+N425) video card by specifications and benchmarks. Sapphire Pulse Radeon RX Vega 56 runs at 1.208 GHz+ 4 % base clock speed and has 8 GB of HBM2 memory, while video card MANLI GeForce GTX 1080 Ultimate (F305G+N425) runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 280 W+ 33 %, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.