Comparison of GIGABYTE GeForce GTX 980 Ti Windforce 3X OC video card vs PowerColor Radeon RX 6800 Fighter video card by specs and benchmarks. GIGABYTE GeForce GTX 980 Ti Windforce 3X OC runs at 1.102 GHz+ 10 % base clock speed and has 6 GB of GDDR5 memory, while video card PowerColor Radeon RX 6800 Fighter runs at 1.102 GHz+ 10 % base clock speed and has 16 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.