4K 60Hz 4:4:4 HDMI 2.0 TV Database

Discussion in 'Displays' started by Cecil, Oct 13, 2014.

  1. Hatlesschimp

    Hatlesschimp n00b

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    I can confirm the Panasonic TH-55CX700A does 4K 60hz 4:4:4 Chroma with Titan X. It looked spectacular!!!

    I tested 38ms of lag for the TV as well.

    We were a little concerned about color uniformity when sitting to close to the set but once gaming e didn't notice. Also it has a very limited viewing angle - Not wide at all like other sets.

    [​IMG]
     
    Last edited: Dec 15, 2015
  2. aadik

    aadik Limp Gawd

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    Can you try how well 3D works with Tridef 3D games? How about input lag in games? Do you feel it?
     
  3. Hatlesschimp

    Hatlesschimp n00b

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    We turned off all processing and found it playable and certainly fine for non competitive gaming. We then connected the ROG swift 144hz monitor and could feel that little bit better response in game and also less motion blur. But 4k is amazing and we had the 55 on our bench for test for a week but still didnt get a full review completed. We were to busy enjoying the games and eventually had to call ut a day on the testing and come back to it at another time. The tv done everything we wanted and was plug and play 4:4:4 chroma via hdmi 2.0.

    We were running nvidia gpus. We could have tried 3d tv play i guess. If we find time we will test that for you. The review will be on our youtube channel soon I guess.
     
  4. aadik

    aadik Limp Gawd

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    Do you know what's different 700A, 700B, 700E?
     
  5. Hatlesschimp

    Hatlesschimp n00b

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    Country. A For Australia. E for Europe. Ithink
     
  6. aadik

    aadik Limp Gawd

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    Please try 120hz/1080p too if you make review.
     
  7. Kamainae

    Kamainae [H]Lite

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    Panasonics don´t accept 1080p/120hz signal, tried with cx680 and cx700.
    Sony X830, x810,x850 accept the signal but since the last update some white lines are showing in dark backgrounds, lets hope in the next firmware is fixed.
     
  8. Richard Jones

    Richard Jones Limp Gawd

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    It's probably just the X850C (X8500C/X8505C) in smaller size.
     
  9. aadik

    aadik Limp Gawd

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    Thank you for the feedback.
    Did your cx700 had same problem in 3D and what size cx700 do you use?

    ''TX50CX700B didn’t deliver full HD 3D resolution: the horizontal alternating black and white single-pixel lines simply merged into a solid grey block, suggesting a loss in vertical resolution.''
     
  10. Kamainae

    Kamainae [H]Lite

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    It was the 50 inches european model, and as for 3d sorry but i don´t have steoroscopic vision so i never try the 3d aspect of a tv. But from what i have read it seems serveral makers of 4k tvs have skimped in 3d quality.
     
  11. aadik

    aadik Limp Gawd

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    OK. I was interested to 40inch model 40cx700e because its super cheap only 540€ and cheapest UHD TV that support 3D. But if it's have that problem then I'm not interested it anymore and looking for some better 3D TV-s and wait next year models. I plan use 3D for gaming with Tridef 3D or Nvidia 3DTV play.
     
  12. tallyhoe

    tallyhoe n00b

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    I have the Samsung UN55HU6840 as well and can do 4096x2160 or 3840x2160 @ 60hz 4:4:4 8 bit. I'm not sure why it lets me do 4096 but I assume that's the true native panel resolution or else it wouldn't work.
    Sometimes the TV does seem to have trouble accepting the signal and says it doesn't support the resolution when alt+tabbing from full screen games, but turning it off and back on again fixes it.

    [​IMG]



    Not true. Even my 6840 which is below the 6900 range supports 4:4:4. Only the MDX port supports HDCP 2.2 and that's the only port that you can't turn on UHD color for:
    [​IMG]
    [​IMG]
     
    Last edited: Dec 22, 2015
  13. ChronoDetector

    ChronoDetector 2[H]4U

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    I'm interested in the Sony KD65X8500C, I assume this also does 4:4:4 as well? Do you need to update the firmware or does it work out of the box?
     
  14. wildpig1234

    wildpig1234 Limp Gawd

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    So I got a Samsung UN40JU6500 TV that will do proper 4:4:4 4K 60hz. The input lag in pc mode is 40+ ms. Is there any 4K TV or 40 inch monitor with 20ms or less input lag in 4:4:4 4K 60hz? Thanks
     
  15. treckin

    treckin n00b

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    I have the un60ju7100

    took me a little bit to figure out, but when I did, the tv has very very little input lag

    You have to use the remote mouse to hover over the input you have the tv connected over - click it and select device type as GAME not PC.

    Then in the menu enable game mode (it will be grayed out unless you have the device type set to game).

    Enjoy super low input lag gaming :)
     
  16. wildpig1234

    wildpig1234 Limp Gawd

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    Yeah I read about that but in doing that the TV no longer has true 4:4:4 chroma ;(....

    Will Samsung ever figure out how to combine game mode with pc mode?

    So there's no TV currently that can do 4:4:4 4K 60hz with less than 30ms lag?
     
  17. treckin

    treckin n00b

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    My tv still reports its in uhd color and so does nvidia control panel. Are you sure about that??
     
  18. illram

    illram [H]ard|Gawd

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    Philips BDM4065UC 40" has 21.2 ms of input lag according to PC Monitors' review. It does 4:4:4 at 60hz via DP 1.2. I guess it's not technically a "TV" though.

    It does have some color streaking issues as noted on its thread here. There is a gargantuan thread for the monitor here with a variety of opinions/observations, some complaining about it, some not.
     
  19. tallyhoe

    tallyhoe n00b

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    You can always get the LG OLED 9600. Since it's not LCD, I'm not sure what the input lag+response time would be but it's almost none.
     
  20. wildpig1234

    wildpig1234 Limp Gawd

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    But if you bring up the chroma test page you will see that it's no longer sharp txt the last two line..
     
  21. wildpig1234

    wildpig1234 Limp Gawd

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  22. treckin

    treckin n00b

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    Pretty sure I am getting the 4:4:4

    The first two are my screen displaying the test page, last shot is someone elses failing it.

    [​IMG]

    [​IMG]

    example of bad test:

    [​IMG]

    Settings:

    [​IMG]

    [​IMG]
     
  23. treckin

    treckin n00b

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    Displaylag.com puts the overall input lag at 17-21ms which was entirely noticeable to me when I activated it. All of a sudden my k/d in battlefield literally tripled (from like 5-19 to over 1:1 lol)
     
  24. Nenu

    Nenu [H]ardened

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    Is that at 1080p or 4K?
     
  25. treckin

    treckin n00b

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    That is 4K. I wouldn't consider 1080p honestly. Less then 1:1 (using scaling) looks too shit for me personally. I'd sooner lower graphics settings than the resolution. One benefit of 4K is the ability to not use any antialiasing and have the picture still look better then 1080p with 8x MSAA.
     
  26. aadik

    aadik Limp Gawd

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    Its only benefit if its small 4K screen, but your 49'' 4k have lower ppi even than 24'' 1080p.
     
  27. treckin

    treckin n00b

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    Mine is a 60", so the ppi is even lower, but I get your point. UN60JU7100.

    Really though you don't have a choice of a higher ppi assuming you hold the screen size constant. If you have ever seen a 1080p screen that size (I also have a 52" 1080p magnavox), you'll agree that a large format 1080p screen with high AA settings looks worse then a large format 2160p screen with no AA applied, assuming native resolution content etc.
     
  28. Nenu

    Nenu [H]ardened

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    I mean were the reported lag figures taken at 1080p or 4K.
    Many figures quoted in this thread have been 1080p because the kit to test at 4K wasnt available.
     
  29. tallyhoe

    tallyhoe n00b

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    Do you know why the panel lets you choose 4096x2160 when the recommended res is 3860x2160? Is the true native res of the panel 4096? Also, how were you able to enable game mode with 3860? What picture mode did you set? I can only seem to enable it in 1080p.
     
  30. wildpig1234

    wildpig1234 Limp Gawd

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    Native res is 3840. Game mode is not avail when you label your HDMI as PC. Game mode has nothing to do w setting the resolution on your pc...
     
  31. tallyhoe

    tallyhoe n00b

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    If native is 3840 why can you go up to 4096? Wouldn't the display just blank out not supporting it?
     
  32. Nenu

    Nenu [H]ardened

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    Not if it supports it.
     
  33. tallyhoe

    tallyhoe n00b

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    Then the panel is native 4096? How else would it support it? What benefit does setting HDMI as PC give you?
     
  34. Nenu

    Nenu [H]ardened

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    It supports 4096 res by design.
    Probably so it can play back true 4K media, not just 2160p
     
  35. tallyhoe

    tallyhoe n00b

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    Ok, then the best image quality would be to set it to 3840 since that matches 1 to 1 pixel of the panel. I still don't get why desktop res set to 1080p all of a sudden allows me to enable game mode when scaling is done by the TV.
     
  36. wildpig1234

    wildpig1234 Limp Gawd

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    Panel native res is 3840. Just bc it accepts 4096 doesn't mean that's native res. The signal is interpolated and downgraded to squeeze that extra pixels to fit 3840. So you get some small loss of resolution from original video as well as small amount of image ratio distortion. Or you can just tell it to on;y display the center 3840 pixels and crop out the xtra side pixels to keep same image ratio and 1:1 pixel mapping.

    PC mode allows true 4:4:4 chroma 4K 60hz 8bit, "the holy grail of monitor display spec" allowing for sharp single pixel llines on all background/foreground combination. Although the TV accepts this signal on game mode, the tv does not display true 4:4:4 chroma.
     
  37. tallyhoe

    tallyhoe n00b

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    Well there's no setting to enable PC mode in my menu settings but the HDMI is plugged into the PC port. It allows Game Mode to be enabled if I change my resolution to 1080p. Are you saying if I plug into a different port I can enable game mode with 3840 desktop res?
     
  38. wildpig1234

    wildpig1234 Limp Gawd

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    Hit the source button, select hdmi 1/dvi, press the down arrow. edit device type, select PC. When in PC mode, you cannot enable game mode, but the tv display true 4:4:4 at 4K 60hz. If you select game for device type, you can then enable game mode under the general menu of the tv.

    You should always be able to select 3840x2160 in windows no matter what mode the tv is in.. only hdmi 1 will accept true 4:4:4 4K 60hz 8 bit... I think other hdmi ports only allow up to 30hz.
     
  39. tallyhoe

    tallyhoe n00b

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    Thanks, I didn't know I could do that, I assumed the DVi port meant it was for PC. I still can't enable game mode when setting to Game in 4k but I prefer the better color spectrum anyways.

    [​IMG]

    [​IMG]
    [​IMG]
     
    Last edited: Jan 10, 2016
  40. tallyhoe

    tallyhoe n00b

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    Uh oh, after enabling PC mode on Samsung UNHU6840, 6 hours later all HDMI ports except HDMI3 (MHL) which only supports 4:2:0 are dead. I tried a factory reset but no go. :( Did something burn out?