Comparison of PNY GeForce GTX 1080 XLR8 Gaming OC video card vs ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo video card by specifications and benchmarks. PNY GeForce GTX 1080 XLR8 Gaming OC runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory, while video card ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.