Comparison of GIGABYTE Radeon VII HBM2 16G video card vs GIGABYTE GeForce GTX 1080 Mini ITX 8G 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 GIGABYTE GeForce GTX 1080 Mini ITX 8G runs at 1.733 GHz+ 8 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 300 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.