Comparison of GIGABYTE Radeon RX Vega 56 Gaming OC 8G video card vs MANLI GeForce GTX 1080 (F309G+N425) video card by specifications and benchmarks. GIGABYTE Radeon RX Vega 56 Gaming OC 8G runs at 1.170 GHz+ 1 % base clock speed and has 8 GB of HBM2 memory, while video card MANLI GeForce GTX 1080 (F309G+N425) runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 250 W+ 19 %, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.