https://www.reddit.com/r/Televisions...he_same_model/
"
Only 3 differences between the 2... MU6300 has Bluetooth, 2 speakers instead of 1, and it's refresh rate is 120hz instead of 60hz"
That may be wrong, as both are stereo.
UHD Comparison indicates your neighbor's set is a year newer model.
https://uhdcomparison.com/2017/09/sa...90-comparison/
.