Comparison of Sapphire Radeon RX 5700 8G video card vs ZOTAC Gaming GeForce RTX 3080 Trinity video card by specifications and benchmarks. Sapphire Radeon RX 5700 8G runs at 1.465 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3080 Trinity runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 180 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.