Comparison of Colorful iGame GeForce GTX 1070 SI-8G-V video card vs GIGABYTE GeForce RTX 2070 Windforce 8G (rev. 2.0) video card by specifications and benchmarks. Colorful iGame GeForce GTX 1070 SI-8G-V runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GIGABYTE GeForce RTX 2070 Windforce 8G (rev. 2.0) runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 175 W. Compare the table of benchmark results to find out which graphic card is better.