Sure, if the scaling was linear in terms of visual perception but it isn't. There's a point of diminishing returns but even 8k isn't enough to reach it at 75-85''. A 6'' 16:9 phone at 1080p has 367 PPI, while even an 8K 55'' would only reach half that. At 75'' we're talking 117 PPI. Even a 27'' 4K monitor reaches 163 PPI only. If we look at 4K vs FHD again, we see that a 75'' 4K TV is no better in terms of PPI than a 40'' FHD one. Now, of course, how good that is will be up to the individual and I'm not trying to advocate that people should get one or the other, merely to try it out. Personally I couldn't stand my 40'' FHD for the one year I had it, and am certainly not looking to ever get that low in PPI again, so for bigger sized TVs there's only one solution.
QLED vs OLED
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Sure, if the scaling was linear in terms of visual perception but it isn't. There's a point of diminishing returns but even 8k isn't enough to reach it at 75-85''. A 6'' 16:9 phone at 1080p has 367 PPI, while even an 8K 55'' would only reach half that. At 75'' we're talking 117 PPI. Even a 27'' 4K monitor reaches 163 PPI only. If we look at 4K vs FHD again, we see that a 75'' 4K TV is no better in terms of PPI than a 40'' FHD one. Now, of course, how good that is will be up to the individual and I'm not trying to advocate that people should get one or the other, merely to try it out. Personally I couldn't stand my 40'' FHD for the one year I had it, and am certainly not looking to ever get that low in PPI again, so for bigger sized TVs there's only one solution.
Does anyone know why OLED TV's are only in 55 and 65 inch? I want to replace my 60 inch LCD TV but Im not downgrading in size and my wall bracket cant support no higher than 60 inch TV's. I have never seen an 60 inch OLED TV for sale.
Visual accuity is ~ linear with viewing distance - no ? .. so probably want to use that as a guide for bounding your PPI given intended viewing distance.
How close were you sitting to the 40" such that it was a problem (without encroaching on the milliard of past/present distance threads)
why ? aren't tv's, oleds in particular, lighter than their predecessors.
That's what it says in the specs, so I wouldnt risk putting an expensive TV on for it to not fit correctly or not have the right mounting screws. Plus £2500 for a TV a rather not spend if the only option is 65 inches.
Wall mounts are really cheap these days just buy a new one that can take a 65"
Caporegime
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Had no issues with my 50 or 55 inch full HD tvs.
Resolution and ppi is over rated. So is 4k its not the biggest jump in quality from bluray. In fact a lot of 4k content is just up scaled 2k.
4k isn't even the right name should be 2160p.
8k just isn't needed
Soldato
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Indeed, PPD is the metric people should be using. PPI only tells you about the display, PPD tells you the number of pixels per degree at a given distance and this relates directly to human visual acuity - 20/20 vision equates to 60 PPD, go above that you should tell little to no difference. To give you an example, a 3840x2160 75" screen at 10ft works out at 126 PPD which is basically 20/10 vision territory. Now, i know i have better than 20/20 vision with glasses. Whether it's 20/10 or not i dont know (probably not!) , but i suspect that is right on the limit or above it for me. Anything higher than that would be pointless...
so 75" 8k display at 10 feet, then: 252PPD. better than 20/5 vision which puts you on par with an Eagle, 4x to 8x better than most humans and you can spot a rabbit from 2 miles away. Nobody should be saying you need that level of detail.
Sure, if you're sitting 5 feet away from it ... It'd still be very close though (figuratively and physically!)
Well no one needs high end TVs anyway, we're talking about enthusiast stuff. Of course distance is paramount as well, but I didn't want to mention it because I thought that's obvious & people's setups will differ. Funnily enough though, I do sit about 5-6 feet away from mine.
Not 8K mind you (XF90), but soon enough hopefully. The 8K one is really something else for games, but for movies, meh, I'd probably go with a projector instead if I had the right room setup but that's a longer time away than 8K. Truth is, I watch movies very rarely compared to shows so the source isn't usually better than even 720p (e.g. re-watching The Shield now in what's basically sub-SD - would love to see the Sammy's AI upscaling work on that).
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The point to take away from that is that you should be using PPD when talking about this stuff, not PPI. Distance changes everything and while you might sit 5 feet from such a large screen, most use cases will have people sitting double that or more which would make an 8k tv absolutely pointless 
so beyond the advertising spiel by both sides of oled black level benefit
eg https://news.samsung.com/global/thi...imized-for-the-typical-tv-viewing-environment
To be objective you need to take along usb media with a eye chart like the sample below , from
http://www.psych.nyu.edu/pelli/pellirobson/
and see whether you can see more, with qled or oled, in your viewing environment ?
..... now applying for a job at samsung P&R
eg https://news.samsung.com/global/thi...imized-for-the-typical-tv-viewing-environment
To be objective you need to take along usb media with a eye chart like the sample below , from
http://www.psych.nyu.edu/pelli/pellirobson/
and see whether you can see more, with qled or oled, in your viewing environment ?
..... now applying for a job at samsung P&R
Same here the much better black levels is what counts
But then am weird compared to most people as I normally watch my tv in a dark environment....
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Caporegime
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so beyond the advertising spiel by both sides of oled black level benefit
eg https://news.samsung.com/global/thi...imized-for-the-typical-tv-viewing-environment
To be objective you need to take along usb media with a eye chart like the sample below , from
http://www.psych.nyu.edu/pelli/pellirobson/
and see whether you can see more, with qled or oled, in your viewing environment ?
..... now applying for a job at samsung P&R
so samsung tested their own tv and it came out better?
hmmmmm completely unbiased then
I assume you really got it, and that was a sarcastic reply .... I'm waiting for OC to provide PC emoticons before I use them
there are elements of truth in what Samsung advertising says ...
what's the point paying delta for a high contrast ratio oled, if your typical viewing environment does not enable you to exploit it ? or, indeed, the higher led nits would provide a better effective contrast.
edit: maybe if I bought an oled, I would watch tv in the dark, and it would be more enjoyable - catch22 ?
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I've seen high end LCDs and OLEDs.
Unless you have a full on bright room or sun light shining directly on the screen, blacks are still noticeably better on OLED than LCD, at least to my eyes and LCD comes nowhere close to OLED for just general "punchiness" in terms of colours/contrast ratio in my experience.
Unless you have a full on bright room or sun light shining directly on the screen, blacks are still noticeably better on OLED than LCD, at least to my eyes and LCD comes nowhere close to OLED for just general "punchiness" in terms of colours/contrast ratio in my experience.
Caporegime
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I got rid of my top of the range 55" sony from the games room at the weekend because it's not 4K but more importantly not HDR. It's gouing to be used solely with a ps4 pro so not native 4K most of the time but will have a lot of static images.
I have been looking at several tvs but came down to 4 for my shortlist.
NU8000
XF90
QLED
LG OLED
The NU8000 I thought wouldn't be good enough to warrant the upgrade. As in it's a very good tv but I likely should have stuck with my current 1080p sony as would be similar just 4k and with average HDR. I wanted better blacks so FALD or OLED only then.
OLED I discounted because gaming only. No matter what anyone says it's not right for my usage. I will buy an OLED for the bedroom in future where I watch most of my tv/movie content.
So it came down to QLED and the XF90.
The QLED I found to be overpriced for what it is or simply not good enough on the lower end models.
The XF90 offers a really great picture and still relatively good value for money when you compare against all the other options.
So I'm settled on a XF90, now do I go 55" or 65"? I'm awaiting Friday to see what deals pop up. Will likely order from John Lewis because; price match, customer service, 0% interest free if you order over phone and the warranty service.
The QLED is Samsung marketing confusing customers. It's nothing special. It doesn't even exit it's an LCD.
I have been looking at several tvs but came down to 4 for my shortlist.
NU8000
XF90
QLED
LG OLED
The NU8000 I thought wouldn't be good enough to warrant the upgrade. As in it's a very good tv but I likely should have stuck with my current 1080p sony as would be similar just 4k and with average HDR. I wanted better blacks so FALD or OLED only then.
OLED I discounted because gaming only. No matter what anyone says it's not right for my usage. I will buy an OLED for the bedroom in future where I watch most of my tv/movie content.
So it came down to QLED and the XF90.
The QLED I found to be overpriced for what it is or simply not good enough on the lower end models.
The XF90 offers a really great picture and still relatively good value for money when you compare against all the other options.
So I'm settled on a XF90, now do I go 55" or 65"? I'm awaiting Friday to see what deals pop up. Will likely order from John Lewis because; price match, customer service, 0% interest free if you order over phone and the warranty service.
The QLED is Samsung marketing confusing customers. It's nothing special. It doesn't even exit it's an LCD.
What is your usage? There are likely people here who use theirs for longer hours or with more static imagery than you would and haven't suffered any issues.
it is unique though with the white sub-pixel ? in the 10bit panels domain ... although that would confuse customers. ... maybe they will change unrealistic price premium on BFriday (do rtings show a bigger colour volume than xf90?)
given processing(GPU) power, for intermediate frame creation, say, there is no reason why 8K upscale will not be as good as 4K say, for football etc.