Comparison of GIGABYTE Radeon RX Vega 64 8G video card vs ZOTAC Gaming GeForce RTX 3080 AMP Holo video card by specifications and benchmarks. GIGABYTE Radeon RX Vega 64 8G runs at 1.247 GHz base clock speed and has 8 GB of HBM2 memory, while video card ZOTAC Gaming GeForce RTX 3080 AMP Holo runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 295 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.