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I saw Samsung's sales and was really considering them, but decided to pass. Their curved 49KS8500 is about $845 while their non-curved 49KS8900 is $675. I kind of need a curved at such a huge size (for a monitor, mind), so I ended up dropping the idea.there have been several good deals this week. the KS8000 was on sale with Samsung EPP 55" for ~$729, 65" $1,080. Super Bowl week is always one of the best times to buy a TV. the problem with the KU6300/6290 is that it is already an older model that has seen at least 3 big inventory reduction sales across all retailers. you may have better luck (and end up with a better quality TV) looking for a newer model.
We have got little data about this TV besides rtings,would you mind getting some with your display calibrator? Stuff like:
Max brightness in SDR and HDR mode
Color gamut coverage
Calibration for HDR mode if possible
Max brightness in PC mode vs others (EG CE dimming off vs on)
Contrast ratio in PC mode vs others
Color bit depth
It would be nice to have additional data.
Some numbers, all from PC mode, dont know how to toggle hdr or hdr+ mode in pc mode so didnt bother.
backlight 8 warm1
09:01:23,898 Uncalibrated response:
09:01:23,898 Black level = 0.0280 cd/m^2
09:01:23,898 50% level = 30.23 cd/m^2
09:01:23,898 White level = 142.90 cd/m^2
09:01:23,898 Aprox. gamma = 2.24
09:01:23,898 Contrast ratio = 5101:1
09:01:23,914 White chromaticity coordinates 0.2916, 0.3036
09:01:23,914 White Correlated Color Temperature = 8316K, DE 2K to locus = 2.2
09:01:23,914 White Correlated Daylight Temperature = 8324K, DE 2K to locus = 2.5
09:01:23,914 White Visual Color Temperature = 8157K, DE 2K to locus = 2.1
09:01:23,914 White Visual Daylight Temperature = 8519K, DE 2K to locus = 2.4
backlight 20 warm1
Black level = 0.0632 cd/m^2
09:05:11,970 50% level = 68.38 cd/m^2
09:05:11,970 White level = 322.62 cd/m^2
09:05:11,970 Aprox. gamma = 2.24
09:05:11,970 Contrast ratio = 5101:1
09:05:11,970 White chromaticity coordinates 0.2873, 0.2963
09:05:11,986 White Correlated Color Temperature = 8932K, DE 2K to locus = 0.2
09:05:11,986 White Correlated Daylight Temperature = 8943K, DE 2K to locus = 4.3
09:05:11,986 White Visual Color Temperature = 8913K, DE 2K to locus = 0.2
09:05:11,986 White Visual Daylight Temperature = 9395K, DE 2K to locus = 4.0
backlight 20 standard
Black level = 0.0632 cd/m^2
Black level = 0.0621 cd/m^2
09:07:07,773 50% level = 58.61 cd/m^2
09:07:07,773 White level = 279.63 cd/m^2
09:07:07,773 Aprox. gamma = 2.25
09:07:07,773 Contrast ratio = 4506:1
09:07:07,789 White chromaticity coordinates 0.2740, 0.2754
09:07:07,789 White Correlated Color Temperature = 11874K, DE 2K to locus = 3.8
09:07:07,789 White Correlated Daylight Temperature = 11886K, DE 2K to locus = 7.5
09:07:07,789 White Visual Color Temperature = 12801K, DE 2K to locus = 3.3
09:07:07,789 White Visual Daylight Temperature = 14149K, DE 2K to locus = 6.7
backlight 20 warm 2
09:09:02,388 Black level = 0.0614 cd/m^2
09:09:02,388 50% level = 64.60 cd/m^2
09:09:02,403 White level = 299.26 cd/m^2
09:09:02,403 Aprox. gamma = 2.21
09:09:02,403 Contrast ratio = 4872:1
09:09:02,403 White chromaticity coordinates 0.3029, 0.3194
09:09:02,403 White Correlated Color Temperature = 7182K, DE 2K to locus = 4.8
09:09:02,403 White Correlated Daylight Temperature = 7185K, DE 2K to locus = 0.3
09:09:02,403 White Visual Color Temperature = 6955K, DE 2K to locus = 4.6
09:09:02,403 White Visual Daylight Temperature = 7173K, DE 2K to locus = 0.3
backlight 10 warm 2
calibrated
Measured luminance: 159.2 cd/m²
Measured whitepoint XYZ (normalized): 152.47 159.24 174.16 (95.75 100 109.37), CCT = 6452K
Assumed target whitepoint (XYZ): 6500K daylight (95.02 100 108.77)
Measured black luminance: 0.035 cd/m²
Contrast: 4551.8:1
gamut volume :110.7srgb, 78.4 DCI P3
gamut coverage :99.6srgb 77.9 DCI P3
backlight 10 warm 1
150.3 158.45 174.17 (94.86 100 109.92), CCT = 6592K
Measured luminance: 160.7 cd/m²
Measured whitepoint XYZ (normalized): 152.86 160.69 175.8 (95.13 100 109.41), CCT = 6527K
Assumed target whitepoint (XYZ): 6500K daylight (95.02 100 108.77)
Measured black luminance: 0.0345 cd/m²
Contrast: 4658.5:1
gamut volume :109.2srgb, 77.3 DCI P3
gamut coverage :99.6srgb 76.8 DCI P3
So warm1 seem to be the TV's most native state, calibrated warm 1 seem to fare a little better in term of contrast and tracking compare to warm 2, but not subtle enough to care about. So if you use any native tv app at all and care about accuracy then do warm 2.
HDR will be enabled in PC Mode with some of the newest games like Shadow Warrior 2, Hitman and Resident Evil but won't work properly if you are running in 8-bit mode. On my 49KS8000, I change the input to Game Mode, Enable HDMI UHD Color, Smart LED to High and Backlight to 20, Last of all, under my gfx card control panel I change Output Color Format to YCbCr420 and Output color depth to 12 bpc.Ah, I played the demo and no HDR there. The new Hitman however will update on t he 31st to include HDR rendering, so I'm eager to try that and see if the 6290 recognizes HDR while in PC mode. I'm on a GTX770 for the time being though, so I'm not sure I'll be able to use it (technically HDR signal should be usable at 1080p rom a HDMI 1.4 card, but who knows).
As for TV buying advice, Lifehacker recommends 1st and 4th quarter for TV purchases:
HDR will be enabled in PC Mode with some of the newest games like Shadow Warrior 2, Hitman and Resident Evil but won't work properly if you are running in 8-bit mode. On my 49KS8000, I change the input to Game Mode, Enable HDMI UHD Color, Smart LED to High and Backlight to 20, Last of all, under my gfx card control panel I change Output Color Format to YCbCr420 and Output color depth to 12 bpc.
Sony's X830C may be a decent fit. It's a 4K 43" screen and is IPS to boot. Color reproduction, resolution, and size are covered. As for refresh rate... it can do 120Hz, but only at 1080p. Most people who've tried this say that it's still an amazing experience, and you won't get any artifacts since 1080p and 4K scale perfectly. A high refresh rate (at 4K) and variable refresh (g-sync/freesync) may come if HDMI 2.1 ends up beings a partial software update, but I wouldn't hold my breath for that if I were you.My PG278Q ROG Swift is acting up (anything above 100hz flickers) so I figured now is as good a time as any to try this TV out. I picked up the 6300 from Best Buy. It's just not for me. The pixel response time and lower refresh rate are just too slow (apparently I've been spoiled by the ROG Swift). I totally get the appeal though. 40" at 4K is glorious. I can't put enough emphasis on that. The colors are fantastic and the screen coating (semi glossy) is exactly what I would choose out of all coating options. There's tons of value in this thing. Going back to my 27" monitor feels like putting an iPad on my desk...so incredibly small.
I did some testing with my ROG Swift at various settings (different refresh rates with and without gsync). Based on that this is my list of priorities for a monitor in order:
1) refresh rate
2) resolution
3) size
4) color reproduction
5) gsync/freesync
6) screen coating
I'll keep playing around with the 6300 a bit but what this has solidified with me is that I can't wait for a 40" 4K high refresh rate monitor.
Most people here hate flicker, as it adds quite a bit of eye strain. I share those sympathies; I'd prefer less strain as opposed to less blur.I think I'm liking PC mode better than Game Console mode since the display is able to flicker the backlight in PC mode to clear up some of the motion blur. Anyone else feel the same? Not sure I can tolerate the increased input lag, I'll need some more play time.
Refresh rate bothered me for a bit, but I adjusted after a week or two.
Got one delivered from Costco today and while the size is quite something compared to my 27" 1440p monitors, I think its going to be a bit too much at normal desktop viewing distances. And I am not entirely convinced that replacing my 3 screens with one of this is going to be more productive. One bright side though is that colors on warm 2 setting seem reasonably accurate compared to my hardware calibrated NEC screen though being a VA panel viewing angles are narrower and do affect desktop color perception a bit. Will also need a 4k hdmi switch and an active dp to HDMI adapter to make it work with my work latptop dock/gaming rig setup. Decisions, decisions.
I suspect we're looking at a bad firmware flash, not a hardware failure.
So apparently this TV cannot play 24p content correctly (uses 3:2 pulldown), however it does have a 24hz display mode and accepts a 24hz signal, so is this something that could possibly be fixed in a firmware update?
So apparently this TV cannot play 24p content correctly (uses 3:2 pulldown), however it does have a 24hz display mode and accepts a 24hz signal, so is this something that could possibly be fixed in a firmware update?
Probably not. If Samasung cared about this they would have done it on release. 24hz content isn't exactly new...
Don't know if it was the size or something with the blur/backlight but while the size and rez were awesaome, I found it really disorienting to work with this tv. The backlight was set to 10 to avoid PWM just in case. Plus getting it to work reliably at 4 k 60 Hz through my P50 workstation proved to be a big challenge (my GTX 1080 gaming rig was just fine though). Need to wait a year or so more before everything moves to HDMI 2.0a (or can TV makers just put some display ports on their higher end models atleast?) before 4k becomes really practical. This one is going back.
I did but I suspect more than the PWM it was the 30 hz refresh rate through my workstation that was causing an issue. There are work arounds and I could play with 2-3 different DP->hdmi adapters to make it work but I didn't like the screen that much to make the effort. I'd easily pay twice as much for a proper 40" 4k monitor with DP inputs, avoiding these hassles.IPS would be welcome too.did you try higher than 10 backlight? i'm not positive, but i thought i read that PWM kicked in AT 10 and lower.
I bought the 6290 version of this. I am messing around with the service menu options. Have you guys found any good setting tweaks in there? Trying to figure out the WhiteBalance/RBG tables and also unsuccessful to get pvr enabled.
I did but I suspect more than the PWM it was the 30 hz refresh rate through my workstation that was causing an issue. There are work arounds and I could play with 2-3 different DP->hdmi adapters to make it work but I didn't like the screen that much to make the effort. I'd easily pay twice as much for a proper 40" 4k monitor with DP inputs, avoiding these hassles.IPS would be welcome too.
Although I LOVE the HDMI standard with a passion, I must admit that it's lack of support in graphics cards is annoying. I'm on the same boat, but I honestly doubt anyone would make a 40" TV with displayport. I'm better off hoping AMD and Nvidia come to their senses and start supporting it better. And maybe put more than 1 port on each card...I'd easily pay twice as much for a proper 40" 4k monitor with DP inputs, avoiding these hassles.IPS would be welcome too.
oh, def the 30hz. my Nvidia control panel switched to 30hz a couple of times after driver updates and it was unbearable for the couple of minutes it took me to figure out what had happened. i can't imagine trying to actually use this thing at 30hz.