LG 4K OLED vs. Samsung 8K QLED Technology Differences!


hey everybody its norm from tested and
it got a really interesting video for you today you follow the site if you
follow our podcast you know we’re super interested in emerging technologies
including stuff that’s gonna ventually make it into our homes stuff that goes
in our televisions now when following televisions development over the past 10
years you know going from 1080 TVs to 4k TVs the different see of different TV
technologies and we all went on a different TV quests to look for new
televisions I in my TV quest wanted to replace my old plasma TV a couple years
ago to end up settling on a 4k OLED from LG the the b6 model and LG in fact
reached out to us and they’re so confident in the performance of their
newest flagship model the c9 they actually sent us one that’s what this is
right now there’s a 65 inch LG OLED c9 model not only they send us sets they
also sent us a competitor’s television and this is an LED LCD TV the Q 900 R
and yeah it’s an 8k television so this is a rare opportunity for us to get a
look at something that’s right on the horizon what does an 8k TV look like
today what does content look like on that and
how does that compare to a top-of-the-line 4k TV now of course
you’re watching this video through the lens of our 1080 camera and we’re not
shooting this in HD are so you’re you can’t really trust exactly these shots
behind me we’re gonna try to do our best to show you the details and the things
we’re talking about but this is gonna based on our subjective testing and some
of our up-close testing but let’s get started well let’s start off with the obvious
thing resolution one is a 4k display and one is an 8k display know you remember
the jump up from 1080 to 4k was pretty significant 1080 panels which ran out
for the longest time have about 2 million pixels behind them 1080 1920 by
1080 and when it’s a 4k that’s not a doubling that was a quadrupling of the
number of pixels so we’re talking about 8 million pixels on a 4k display that’s
the same thing that happens when you go to an 8k panel
it’s a quadrupling again so for an 8k panel you have actually 33 million
pixels now with that comes a couple potential concerns one is at what size
of TV and at what distance between you and the TV do you really notice the
pixels at that pixel density right so at 4k if I’m sitting at a standard you know
15 feet away from the television and it’s a 65 inch the image quality is
gonna look pretty good if I have a 4k source with an ake a panel you know what
it looks almost exactly the same now differences are definitely there
when we’re going close up to the panel and with some of our macro shots you can
definitely tell yeah there are a lot more pixels there but for most people
it’s not going to be noticeable now the second thing is the image source itself
where can you find the content to run images on this these displays natively
on the 4k side it’s 2019 almost every single source streaming source physical
media source offers a UHD option from Netflix iTunes to YouTube you know your
4k blu-rays well that’s about 7 years between when we first saw 4k TVs at CES
and when UHD really became ubiquitous and 8k TVs they’re just coming out this
year so it might be a long time before we see true 8k sources and it’s not just
the sources this it’s not just the content producer as the movie studios
formatting their content for 8k it’s also the way that content is piped into
a TV itself if you to display a cake on 10 at 30 or 60
Hertz you’re gonna need hdmi 2.1 which also
isn’t widespread ly available right now now you can do 8k streaming on your
computer if we have that monitor on like YouTube YouTube has a que playback but
that’s not available on this TV because Google uses its own vp9 codec which this
TV can’t decode the point is just as when we were going from 1080 so 4k
content we were looking for ways to make good use of these panels for aka all
these TVs do is rely on upscaling that’s taking in an image and then using its
own processing and every TV manufacturer has its own separate processor to up
convert that lower resolution image into the native resolution of the full TV
let’s talk about upscaling so for upscaling tests we ran a bunch of
content through these televisions from all different sources whether it’s 1080p
YouTube videos to 4k video streams on services like Netflix and iTunes and
Amazon Prime to physical media 1080 and UHD blu-ray ‘s and something that we
notice pretty immediately on the 8k television was that it’s upscaler can be
pretty aggressive now it needs to be because it needs to fill up a lot of
pixels that aren’t there in the source image and it does a good job of doing
things or removing color banding or smoothing out some of the noise in in
the background but that’s smoothing out from my opinion got a little aggressive
especially combined with their default sharpness settings in fact when we look
at some of the details of faces and some of the the edges the sharpness setting
here even at a default of 10 out of 20 was really kind of adjusting almost the
geometry of the hard edges it’s almost like when you have your iPhone portrait
mode and the phone can’t really resolve the difference between what’s in the
foreground and what’s supposed to be blurred out in the background and it
kind of blends some of the hair lines weird that’s what we saw this TV doing
with some of its image processing some of
naturally blurry bokade images that you get from shallow depth-of-field you were
seeing unnatural hard edges in there and some places where you do get hard edges
on like the rims of glasses we saw that the smooth curves actually the geometry
was being distorted so we quickly turned down the sharpness setting from 10 all
the way to 0 and even then some of those images I felt just looked a little bit
unnatural almost like if you were running the image through a Photoshop
filter like a posterized filter almost like they were vectorizing in some way
it’s good really weird once I saw it I couldn’t unsee it on the LG side it does
upscaling as well and I think it’s less aggressive like a 1080p source on the 4k
TV I could getting up close notice some of the pixelization but I also didn’t
notice any geometric distortion the sharpest here default was 10 out of 50
and of course we tried all the way up to 50 all the way off and while there is
some sharpening happening you see more like wrinkles and some of the contrast
increase it wasn’t distorting geometry which we liked but the end we turned
down sharpness on both displays all the way down and it looked right here what
we found that was more important of a difference between these two models
ended up not being the resolution at all it end up being the other features
something that you should also shop for which is HDR now the LG c9 supports HD r
10 as well as Dolby vision and the Q 900 are only sports HDR 10 – HDR 10 plus we
found going direct head-to-head on some like Netflix which offers both Dolby
vision look remarkably better if you have Netflix I recommend you pull up the
show godless it’s a Western it’s a great show I love this show it’s aggressively
made for HDR showcase and I think they have some beautiful vistas with hard
highlights in the skies they’re scenes where you go from these dark barns so
the lights peering through and HDR we haven’t seen in person is a game changer
I think bigger than resolution changed images look strikingly more
real that the highlights look like you know look like light bouncing off the
Sun as opposed to just the brightest white you can get on a flat sheet of
paper and in comparing the two it really reinforced to me just how good the Dolby
vision version of HDR is and so thankfully the c9 has that which also
leads us talk about the fundamental technologies themselves of course LG is
known for their OLED ‘s and this is an older television that’s what gets it
really thin and behind all eight million of those pixels each organic LED is its
own lighting source while on the q 900 this is a more traditional LED LCD in
fact using a VA LCD panel you know what I mean vertical alignment there are two
different types of LCDs primarily use IPS and VA if you play on a gaming
monitor for example you might be an IPS panel or even a TN panel a VA panels use
for TVs typically have better contrast and that’s what TV manufacturers choose
that because LCDs have less contrast compared to all ads but at the cost of
viewing angle now what was interesting here with the Q 900 are the viewing
angles are pretty good much better than I was expecting for an LCD LED LCD and
it turns out that’s because the company has put an extra layer this Lex true
wide viewing angle prism layer on top of the LCD panel which then helps the
backlight focus in on those pixels and prevent some bleed and Firenze the
washing out effect that you’d get from other VA panels the cost for that is
diminished contrast modulation values I also notice that up close I could almost
see some kind of hatching effect in the gradients a noticeable screen door
effect and in fact this is a good time to take a closer look at the actual
pixels in the panel under a digital microscope we could clearly see some
stark differences between the OLED and LCD panels starting with the OLED we see
the LG’s using a RGB W stripe arrangement with red green and blue and
white sub pixels activating and combining the show
a pretty wide gamut of colors with RGB W so is pretty good and as a consequence
the pixels look full on the LCD the sub pixel arrangement is a little more
complicated in the past the cue LED technologies have achieved wider viewing
angles using a dual pixel structure each pixel being split into two areas that
are lit differently in the 8k panel the pixels look to me to be subdivided even
more to a point where if you look at a solid red or solid green or solid blue
image there is variable luminance between the sub pixels the solid green
isn’t really solid green and as a result I could see this unusual Moray or screen
door effect on native 8k images something difficult to unsee once I
noticed it combined with that prism layer the pixels themselves looked less
discreet or a complete you can see that when we put up an 8k image with Tex
square pixels don’t actually look square so it’s definitely not an ideal aka
implementation the OLED though has just stupendous color representation the
brightness is great on both these but the black levels is so good on all types
of content and because HDR is independent of resolution even if you’re
running you can get HDR on 720p content I found I got most benefit out of the c9
watching content in HDR and watching content in Dolby vision so the long and short of it is that it
really is an apples to oranges comparison because not only are we
talking about different panel resolutions 4k and 8k we’re also talking
about fundamentally different panel technologies OLED vs. LCD and on the
resolution side I think the jury is still out on a cane I think it’s gonna
be out for a long time because one we just don’t have native 8k sources even
the way to get those aka sources onto the TVs today are fairly limited we need
to wait and see how good HDMI 2.1 how widespread how cheap those cables are
gonna be for that to work but in terms of the 8k content today what you can
watch in quote-unquote 8k it’s gonna be varying from manufacturer to
manufacturer I mean LG is gonna have their own a K TV eventually and they’re
gonna have their own upscale or on their own way of processing 4k and tennety
images and so the more apt comparison would be for that the more interesting
comparison is with panel technologies I think today you’re gonna get the most
bang for your buck looking at a 4k TV over an 8k TV in the 4k realm I don’t
think you can beat OLED I stand by the deep black levels on LG’s OLED the Dolby
vision support which I think offers the best quality HDR right now I’m really
glad I was able to get a direct comparison between OLED and top align
LED LCD because LED LCD does great HDR the brightness is great I just think
that the black levels the contrast isn’t quite up there with the LG OLED and
because there is widespread 4k content today that’s what I would go and stick
with so that’s my recommendation will be doing more comparisons in the future and
if you have questions about what content looks like on either of these displays
post in the comments below and we’ll try to answer them as best as we can but
thanks for watching Oh

Danny Hutson

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