Comparison of INNO3D GeForce GTX 1080 iCHILL X4 V2 video card vs AMD Radeon RX 6400 - Reference Data video card by specifications and benchmarks. INNO3D GeForce GTX 1080 iCHILL X4 V2 runs at 1.733 GHz+ 8 % base clock speed and has 8 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 230 W+ 28 %, and the second is 53 W. Compare the table of benchmark results to find out which graphic card is better.