http://www.lg.com/uk/tvs/lg-49UH850V notes HDR. For me, that's what I'm waiting for.

A quick look seems to find both battling for your attention. Samsung often irks me about their apps and not passing audio from HDMI and missing settings like audio volume on external speakers.

So, if I was buying I'd make a list of the OTHER features I know I want. (Volume Control on externals!) That may get me a decisive verdict.

Another area are the paltry 1 year warranties. Really? Give me more years on big purchases.