OLED vs QLED: Which TV Panel Should You Buy?

Quick verdict: OLED for a room you can darken and seating that is at least slightly off-centre. QLED for a bright room, a wide seating arrangement, or all-day static content. The technology is not the question — your room is.

The one-sentence difference

OLED pixels emit their own light and can switch off completely, giving true black. QLED is a backlight behind a liquid crystal layer, which means black is only as good as the backlight’s local dimming allows.

That single structural difference explains almost every practical trade-off between them.

The decision is your window

This is the crux, and it is why reviews that declare a winner without asking about your room are not much use.

Brightness is what HDR needs. High dynamic range means the difference between the brightest and darkest parts of an image. In a room with large windows, a panel that cannot get bright enough will render the bright parts of an HDR image as flat grey, and the format becomes decoration.

So:

• Windows you cannot control, or daytime viewing: QLED. Its brightness advantage is not a small margin.
• A room you can darken, or mostly evening viewing: OLED. Its contrast advantage in the dark is not a small margin either.
• Mixed: judge the size and orientation of the windows. A south-facing wall of glass in a room you use all day is a strong argument for QLED regardless of anything else.

The second decision is where people sit

Viewing angle is the specification most buyers ignore and most households would notice.

OLED holds colour and contrast as you move off-centre. Many QLED panels visibly lose saturation and contrast at an angle — sometimes beyond about 30 degrees.

If your seating is a single sofa directly in front, this is irrelevant. If you have a wide arrangement, or an open-plan room where people watch from the kitchen, it matters a great deal. Sit at the widest angle anyone will watch from and judge whether the panel you are considering is acceptable there.

The third decision is what you watch

Static content and burn-in. OLED pixels dim with use, and different areas dim at different rates if one part of the screen is showing something bright and fixed for hours a day. A news channel’s ticker, a sports scoreboard, a game’s heads-up display — these are the shapes that can persist.

Modern panels include pixel shifting, logo dimming and other mitigation. For mixed viewing, the risk is low enough that most buyers reasonably accept it. For a television used as a background news channel for eight hours a day, a QLED has no equivalent failure mode, and that is a real advantage rather than a marketing one.

How to choose

1. Assess your room's light before you look at any television

   Note the window sizes, which direction they face, and whether you can close blinds. Bright and uncontrollable points to QLED; darkenable points to OLED.

2. Sit at the widest viewing angle in the room

   Decide whether the panel is acceptable from there. For a wide seating arrangement this eliminates most QLED models; for a single straight-on sofa it does not.

3. List what you actually watch

   Hours a day of a fixed news or sports channel is the situation where burn-in risk becomes a legitimate reason to choose QLED. Varied streaming and film viewing is not.

4. Decide the size before the technology

   Screen size has a larger effect on how impressive a television feels than the panel type. A larger QLED viewed from the correct distance beats a smaller OLED, usually.

5. Check the specific ports and the specific panel

   HDMI 2.1 port count and refresh rate vary within both categories. Two models described as "OLED" can differ substantially in gaming features.

Verdict by scenario

What not to overpay for

• 8K, which at any current screen size and normal seating distance is indistinguishable from 4K
• Extended warranties on panels, which rarely cover burn-in
• A soundbar bundled at a discount, when a separate subwoofer is the actual need
• The newest model year, where last year’s equivalent panel is often close in performance and meaningfully cheaper

One thing that applies to both

Flat panels cannot produce bass, and the difference between a television’s built-in speakers and even a modest soundbar is larger than the difference between OLED and QLED. If your total budget is limited, spending less on the panel and adding a soundbar improves the experience more than the panel technology does.