Comparison of PNY GeForce GTX 1080 XLR8 Gaming OC Twin Fan video card vs Sapphire Toxic Radeon RX 6900 XT Air Cooled video card by specifications and benchmarks. PNY GeForce GTX 1080 XLR8 Gaming OC Twin Fan runs at 1.620 GHz+ 1 % base clock speed and has 8 GB of GDDR5X memory, while video card Sapphire Toxic Radeon RX 6900 XT Air Cooled runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 180 W, and the second is 400 W+ 33 %. Compare the table of benchmark results to find out which graphic card is better.