Comparison of GIGAYBYTE GeForce GT 1030 OC 2G video card vs Gainward GeForce RTX 3080 Phantom video card by specifications and benchmarks. GIGAYBYTE GeForce GT 1030 OC 2G runs at 1.265 GHz+ 3 % base clock speed and has 2 GB of GDDR5 memory, while video card Gainward GeForce RTX 3080 Phantom runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 30 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.