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Do 4k TV really do 120Hz / 240Hz? - Page 2

post #11 of 15
Except the 850c uses an IPS panel. I prefer VA to IPS. Less viewing angles but better blacks.
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post #12 of 15
Quote:
Originally Posted by Robilar View Post

Except the 850c uses an IPS panel. I prefer VA to IPS. Less viewing angles but better blacks.

Aah ok, that is what I was unsure about! I'm sure the 810c still looks dang good! How are you liking the Android OS it has?
post #13 of 15
It's actually pretty good. Quite a bit different than the mess that Samsung uses on their TV's (I have their 75" model in my living room and refuse to use their online access).
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post #14 of 15
Quote:
HDMI 2.0 just got announced, featuring official support for 4K 60Hz, and 18 gigabits/second of bandwidth. Also announced on engadget and reddit.

4K 120Hz using 4:2:2 chroma at 8 bits per channel is only 15.9 gigabits/second, plus a little bit for reduced blanking intervals. Since this is less than 18 gigabits/second, this theoretically makes 120Hz 4K potentially possible over HDMI 2.0, assuming 8b/10b encoding can be bypassed.

source: http://www.blurbusters.com/4k-120hz-possible-over-hdmi2/
post #15 of 15
Quote:
Originally Posted by pow3rtr1p View Post

The input lag of a TV is likely to be significantly more than a PC monitor, as well.

And 240Hz at 4K isn't happening for YEARS... You're lucky to push 60Hz at 4K, if you have like dual TITAN Xs and turn off AA...

As far as "240 Hz at 4k goes" - c'mon it really depends on content. A single AMD 7870 can drive Source engine Lost Coast benchmark at 120 fps minimum with all max settings (including AA) at 10 megapixels (25% higher reso than 4k) in my experience. A single 7950 can do in the same benchmark about 160 fps at the same reso. I have not tested a 390X with that benchmark but it should be enough to get 240+ without trying too hard.

Ofc its a moot point. Not enough bandwidth atm as noted.
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