Comparison of PNY GeForce RTX 2070 Blower video card vs ZOTAC Gaming GeForce RTX 3070 Twin Edge video card by specifications and benchmarks. PNY GeForce RTX 2070 Blower runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3070 Twin Edge runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 175 W, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.