Verizon now has three kinds of 5G. C-Band, branded "5G UW," has the most potential is distinctly better than 4G if it is set up properly. Millimeter-wave 5G, also called "5G UW" is amazingly fast and powerful, like a wireless fiber connection. However, it's not available in most places. "Nationwide 5G" is a little faster than its 4G, but not enough to really matter. For more, see our list of the best 5G phones.