Comparison of EVGA GeForce RTX 2070 GAMING video card vs AMD Radeon RX 6400 - Reference Data video card by specifications and benchmarks. EVGA GeForce RTX 2070 GAMING runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card AMD Radeon RX 6400 - Reference Data runs at base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 175 W, and the second is 53 W. Compare the table of benchmark results to find out which graphic card is better.