Comparison of GIGABYTE Radeon VII HBM2 16G video card vs GALAX GeForce RTX 3070 SG (1-Click OC) video card by specifications and benchmarks. GIGABYTE Radeon VII HBM2 16G runs at 1.400 GHz base clock speed and has 16 GB of HBM2 memory, while video card GALAX GeForce RTX 3070 SG (1-Click OC) runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.