# TV features, checked against the spec sheets

Source: https://specwiseguide.com/tv-features/
Updated: 2026-11-13 · By SMART SC Editorial Team

Feature names on a box say little about what a TV actually does. These pages list, line by line, which current TVs have each feature and on how many inputs, from the manufacturers' own sheets.

- [TVs with Dolby Vision: which brands and models support it](https://specwiseguide.com/tvs-with-dolby-vision/): Which current TVs support Dolby Vision, checked against each spec sheet: LG, Sony, TCL and Hisense do; Samsung doesn't. What DV adds, HDR10+ and gaming.
- [TVs with HDMI 2.1 and 4K 120Hz: how many ports each one really has](https://specwiseguide.com/hdmi-2-1-tvs/): Which current TVs do 4K at 120Hz or 144–165Hz, and on how many HDMI inputs, from each spec sheet. Why it matters for PS5, Xbox, PC and soundbars.
- [120 Hz vs 144 Hz (and 165 Hz) TVs: what refresh rate actually changes](https://specwiseguide.com/120hz-vs-144hz-tv/): Consoles stop at 120 Hz; 144–165 Hz helps only PCs. Which current TVs run at 120, 144 and 165 Hz, on how many inputs, and what research says about refresh vs lag.
- [TVs with ATSC 3.0 (NEXTGEN TV) tuners: which current models have one](https://specwiseguide.com/atsc-3-tvs/): Which current TVs have a built-in ATSC 3.0 tuner, from each spec sheet: Sony, Hisense U7/U8 and TCL QM8K do; LG and most Samsungs don't.
- [Non-smart TVs: where to find a "dumb TV" in 2026, and the better alternative](https://specwiseguide.com/non-smart-tvs/): True non-smart TVs are rare and mostly small. Where to find one, what commercial displays offer, and how to run a smart TV with no account, apps or internet.

## Display technology: OLED, QLED, Mini LED

Which kind of panel suits your room, explained from how each one makes light.

- [OLED vs QLED: which TV technology is better for your room?](https://specwiseguide.com/oled-vs-qled/): OLED wins on contrast, viewing angles and motion; QLED (and Mini LED) on brightness, burn-in risk and big screens for less. How each works, and current models.
- [Mini LED vs OLED: brightness and size against perfect blacks](https://specwiseguide.com/mini-led-vs-oled/): Mini LED TVs get brighter, can't burn in and come in 98–100 inch sizes; OLED has perfect blacks, no blooming and wider viewing angles. Who should buy which.
- [QD-OLED vs WOLED: the two kinds of OLED TV compared](https://specwiseguide.com/qd-oled-vs-oled/): QD-OLED uses blue OLED and quantum dots for brighter, purer color; WOLED uses white OLED and filters. How they differ in color, bright rooms and burn-in.
- [QLED vs Mini LED: what the backlight changes, and when it's worth paying for](https://specwiseguide.com/qled-vs-mini-led/): QLED is about color (quantum dots); Mini LED is about the backlight (thousands of LEDs in dimming zones). Why Mini LED looks better at night, and Neo QLED explained.
- [QLED vs LED vs UHD: three labels that describe different things](https://specwiseguide.com/qled-vs-led/): UHD means 4K resolution, LED means an LCD with an LED backlight, QLED adds a quantum-dot color layer. What each label tells you, and when QLED is worth it.
- [QNED vs QLED: LG's LCD against Samsung's, and where OLED fits](https://specwiseguide.com/qned-vs-qled/): QNED is LG's name for LCD TVs with a quantum-dot layer (Mini LED in upper lines); QLED is the same idea from Samsung, TCL and Hisense. How to compare them.
- [OLED burn-in: how real is it, who should worry, and how to avoid it](https://specwiseguide.com/oled-burn-in/): Burn-in is permanent wear from long hours of the same bright image. What RTINGS' 100-TV longevity test found, who's at risk, and the settings that reduce it.

## Smart TV software

- [Roku TV vs Fire TV vs Google TV vs webOS vs Tizen: which smart TV platform?](https://specwiseguide.com/smart-tv-platforms/): Which brands use which smart platform, what each does best (casting, AirPlay, voice), how to limit viewing-data tracking, and why a stick can replace any of them.
- [Non-smart TVs: where to find a "dumb TV" in 2026, and the better alternative](https://specwiseguide.com/non-smart-tvs/): True non-smart TVs are rare and mostly small. Where to find one, what commercial displays offer, and how to run a smart TV with no account, apps or internet.