Comparison of GIGABYTE Radeon RX 580 Gaming 4G video card vs PNY GeForce GTX 1080 XLR8 Gaming OC Twin Fan video card by specifications and benchmarks. GIGABYTE Radeon RX 580 Gaming 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card 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. The TDP of the first video card is 185 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.