The 86QNED816QA is a 86 inch 4K TV from LG. It was launched in 2022. It features a True 10-bit IPS panel. It can display a maximum resolution of 3840 x 2160 with a refresh rate of 120 Hz and pixel density of 51 ppi.
Picture Quality
After screen size and resolution, the very next specification of a display that defines picture quality is Color Gamut.
LG has not provided a color gamut rating for this TV. So we have to take a guess. As this TV features a big 86 inch screen, it won't come with a cheap panel, so here we can assume its equivalent sRGB coverage to be 90-100% or above. The color accuracy on this TV should be Lifelike! It will produce color accurate images out of the box.
What Color Gamut means ?
Color gamut spec of a TV indicates the range of colors that it can produce.
In other words, it indicates the ability of a display to produce accurate colors. A panel with low gamut coverage will miss out on some colors (such as deep red), the result would be a "washed out" picture quality.
Different manufacturers use different measurement standards to specify color gamut. Such as — sRGB (most popular), NTSC, DCI P3 etc.
But you don't need to worry about that, here is a chart that you can use to choose a TV with good color accuracy.
Now, after color gamut, the static contrast of a TV also impacts its picture quality.
What is Static Contrast ratio ?
A TV with high enough static contrast ratio will produce natural deep blacks while a TV with low contrast ratio (<1000:1) will produce images that will look dusty as shown in the below image.

As you can see, this will impact your experience considerably.
Like resolution, the static contrast ratio is also equally responsible for details. To put it into perspective, a TV with low contrast ratio will produce less shades of colors, so lesser detail overall.
If given a choice, always prefer a FHD TV with high contrast ratio over a 4K TV with low contrast ratio.
This TV comes with a static contrast ratio of 8000:1., enough to produce deep blacks and eye-catching visuals. For the record, it also comes with local dimming technology which is a plus.
HDR is also supported on this TV in form of HLG (Hybrid Log Gamma), HDR10 and HDR10 Pro.
Coming to brightness, it can go as bright as 250 nits. The backlight of this TV is powered by Edge LED (Local Dimming) technology.
Gaming Performance
If you aren't interested in gaming, you can safely ignore these specs. But if you are also planning to use the TV for gaming or use it as a PC monitor, make sure to take a TV with the lowest input lag and response time.
Sadly, we cannot find the input lag specification for this unit. But since this is not a cheap TV from LG, input lag on this TV could be 20ms or below.
What is Input Lag and Why it matters ?
This lag is the amount of time at which your key-presses or mouse movements changes the content of the TV. Though, this won't matter much if you aren't into competitive/FPS games like call of duty.
But ideally, look for a TV that comes with an input lag and response time of less than 20ms.
Ergonomics and Dimensions
Coming to ergonomics — VESA mount is supported on this TV with an interface size of 600 x 400 mm. There is no Swivel, Tilt or Pivot feature support on this TV.
The vertical and horizontal measurements of this TV are 75.79 inches and 46.34 inches respectively.
It is 1.81 inches thick. It weighs 55.3 kgs, another 3.8 kgs if you include stand.
Hardware and Audio
The TV comes with a Quad Core CPU. There is no information about the RAM on this TV.
The UI on this TV is powered by webOS 22 Operating System.
For display connectivity, there are two HDMI 2.0 ports and two HDMI 2.1 ports on this TV.
To connect USB devices, it includes two USB 2.0 ports. Other connectivity ports include — 1x CI+ 1.4, 1x Antenna (RF) (female), 1x Satellite In (F-type female) and 1x Ethernet RJ45.
For connecting to this TV wirelessly, the manufacturer has provided a 5Ghz Wi-Fi, 2.5 Ghz Wi-Fi, Wifi-Direct, Bluetooth 5.0 and DLNA.
Coming to audio, LG has provided 2 x 10W built-in speakers on the TV. It also comes with a built-in subwoofer. So you don't have to invest on any external sound system.
As for power consumption, this TV consumes 171 Watts on average and 0.5 Watts on standby.
It supports a power outlet of 100 V - 120 V/50 Hz - 60 Hz.