Comparison of Gainward GeForce GT 1030 SilentFX video card vs ZOTAC GeForce GT 1030 Low Profile (HDMI/VGA) video card by specifications and benchmarks. Gainward GeForce GT 1030 SilentFX runs at 1.227 GHz base clock speed and has 2 GB of GDDR5 memory, while video card ZOTAC GeForce GT 1030 Low Profile (HDMI/VGA) runs at 1.227 GHz base clock speed and has 2 GB of GDDR5 memory. The TDP of the first video card is 30 W, and the second is 30 W. Compare the table of benchmark results to find out which graphic card is better.