Comparison of GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G video card vs AMD Radeon RX 6400 - Reference Data video card by specs and benchmarks. GIGABYTE Radeon RX 6400 D6 LOW PROFILE 4G runs at 1.923 GHz base clock speed and has 4 GB of GDDR6 memory, while video card AMD Radeon RX 6400 - Reference Data runs at 1.923 GHz base clock speed and has 4 GB of GDDR6 memory. The weight is different, -- vs --. The TDP of the first video card is 53 W, and the second is 53 W . Compare the benchmark results to find out which video card is better.