Comparison of GIGABYTE GeForce GTX 1060 G1 Gaming D5X 6G GDDR5X video card vs AMD Radeon RX 6400 - Reference Data video card by specifications and benchmarks. GIGABYTE GeForce GTX 1060 G1 Gaming D5X 6G GDDR5X runs at 1.506 GHz base clock speed and has 6 GB of GDDR5X 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 120 W, and the second is 53 W. Compare the table of benchmark results to find out which graphic card is better.