Comparison of GIGABYTE GeForce GTX 1660 TI D6 6G video card vs GIGABYTE Radeon RX 470 WINDFORCE 4G video card by specs and benchmarks. GIGABYTE GeForce GTX 1660 TI D6 6G runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE Radeon RX 470 WINDFORCE 4G runs at 1.500 GHz base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 120 W, and the second is 120 W . Compare the benchmark results to find out which video card is better.