Comparison of ZOTAC GAMING GeForce RTX 2080 AMP Extreme video card vs INNO3D GeForce RTX 3090 X3 video card by specifications and benchmarks. ZOTAC GAMING GeForce RTX 2080 AMP Extreme runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card INNO3D GeForce RTX 3090 X3 runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 280 W+ 30 %, and the second is 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.