Comparison of Sapphire Radeon RX Vega 56 video card vs ZOTAC GAMING GeForce GTX 1650 AMP video card by specifications and benchmarks. Sapphire Radeon RX Vega 56 runs at 1.156 GHz base clock speed and has 8 GB of HBM2 memory, while video card ZOTAC GAMING GeForce GTX 1650 AMP runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 210 W, and the second is 75 W. Compare the table of benchmark results to find out which graphic card is better.