QN80F is a representative of the Neo QLED series, which means it's a television with Mini LED backlighting. Unlike its cheaper cousin, the QN70F model, here the diodes are placed directly behind the panel (rather than at the edges), which gives a solid advantage in contrast control right from the start. In the 65-inch variant we tested, we counted 88 local dimming zones – a result that may not be particularly impressive, but as it turned out, sufficient to achieve quite decent results.
In tests based on scenes from movies like Oblivion and The Meg, the QN80F performed well – blacks were deep, and the overall image consistency was eye-catching. However, in more demanding moments (e.g., scenes with a lot of bright details on a dark background), a halo effect appeared. This is where the limitation of the number of zones shows – bright elements could bleed into each other, and some details in dark areas lost sharpness and contrast. In one of the helicopter scenes (The Meg), we even noticed a slight flicker in brightness, as if the television was trying its best to maintain visibility of details at the expense of black depth.
However, these are not problems exclusive to this model – the halo effect or contrast drops in very complex scenes are something most Mini LED televisions struggle with, even the more expensive ones. In its class, the QN80F still performs positively and offers clearly better contrast than the QN70F model with edge lighting. For most users, this will be a level more than sufficient – though not ideal.
TCL P8K is an example of a television that shows that even in the lower price range, you can still find solid contrast. The VA panel does a really good job here – a measurement around 6000:1 might not sound impressive, but in real scenes, it creates an effect that simply pleases the eye. In the darkness of the forest in "The Revenant" or in the futuristic shots of "Oblivion," you can see the depth and separation of lights that is hard to expect from a device in this price range. The P8K can render darkness without the feeling that everything is drowning in gray. The Direct LED backlighting also works in its favor. Of course, there’s no local dimming here, but the system can dim the entire screen when a scene requires it or slightly brighten it to bring out details in bright areas. It’s a bit of an analog approach to contrast – simple but effective. This was clearly visible in the test pattern of the legendary Pioneer Kuro: the television prioritized bright spots, and the background lost some depth, but it still maintained a decent appearance. Of course, there’s no perfectly pitch-black black here. In a dark room, you can see that the black leans towards blue, but despite that, the overall presentation is just good. In normal home conditions, the contrast is more than enough to feel the cinematic atmosphere.