When compared to other TVs of a comparable spec and age to this TV that we have assessed, the high frequency rate of the UE55JU6800 of only 60 hertz is one of the slowest. The average high frequency rate of 4K and 8K TVs that have been around for a comparable time to this TV is 520Hz, and the high frequency rates range from 50Hz to 3,000Hz.
We think you might also be interested in some of the other 60Hz refresh rate TVs currently available including the Samsung UE40JU6510 (£599) which has better reviews.
If you want a faster high frequency rate then you might want to consider the LG 49UH668 (£499) (100Hz and higher rated); or the 55UH668 (£489.99) (100Hz and cheaper), or the 43UH668 (£499) (100Hz and cheaper) both from LG.
What does "high frequency rate" mean?