Comparison of ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC video card vs ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme video card by specifications and benchmarks. ASRock Radeon RX 6600 XT Phantom Gaming D 8GB OC runs at 2.064 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.