Do you mean QLED vs OLED? UHD is simply a resolution, not a display type. And yes, you should consider the LG
Many agree that OLED is the gold standard for picture quality. However, there are some who feel that QLED may look better to some in bright rooms.
I have two OLEDS, and they are amazing.
Read this from CNET for an unbiased view:
https://www.cnet.com/news/best-tvs-for-2019/