Comparison of Sapphire Toxic Radeon RX 6900 XT Limited Edition (rev 2.0) video card vs Sapphire Toxic Radeon RX 6900 XT Air Cooled video card by specs and benchmarks. Sapphire Toxic Radeon RX 6900 XT Limited Edition (rev 2.0) runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 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 weight is different, 1148 g vs --. The TDP of the first video card is 400 W+ 33 %, and the second is 400 W+ 33 % . Compare the benchmark results to find out which video card is better.