Samsung 65M80H Review: What RTINGS’ Tests Say About the 65-Inch’s 144Hz Specs

Last updated: October 2026

🕒 10 min read

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This Samsung 65M80H review covers the 65-inch model, the size RTINGS bought and tested. RTINGS describes the M80H as an entry-level 2026 TV that sits above the Samsung M70H, pairs entry-level picture quality with gaming features, and has no local dimming despite Samsung’s marketing.

SignalVetted has not tested this TV. Every result below is credited to RTINGS, and anything marked Inference is our own reading of those results. Inference: a long feature list, modest picture results.

Quick Verdict

Product Specs at a Glance

Design & Build Quality

Materials & Finish

This page draws on RTINGS’ published notes for the 65-inch unit it bought. RTINGS calls the design okay but less premium than higher-end Samsung models such as the QN80H. The bezels are relatively thin, with a little dead space between the panel and the screen edges.

Build quality gets a mediocre rating. RTINGS describes mostly cheap plastic with a lot of flex across the back, while noting no obvious issues with its own unit. The blade-style feet hold the TV well enough but cannot be adjusted for different cabinet sizes.

Ports & Connectivity

The inputs sit in an electronics box near the center of the screen. Two of them point straight out the back, so RTINGS says you will need angled adapters for wall mounting, and because those ports are rotated 90°, simple HDMI angle brackets will not work.

For audio, RTINGS reports eARC support for soundbars and home theater systems. It does not support DTS formats, which many Blu-rays use, and LPCM reaches 7.1 only when forced, so external sources such as a Blu-ray player or a Switch 2 are limited to 5.1 channels.

Samsung 65M80H Review: Performance & Real-World Use

The Mini LED Label and Local Dimming

RTINGS says Samsung uses the term “Mini LED” to advertise this TV despite its complete lack of local dimming, and it calls that marketing incredibly misleading. In its test notes the M80H has no local dimming feature, so the backlight cannot adjust by zone. Our guide to what a Mini LED TV is covers what the term describes.

RTINGS also notes a global dimming feature, which Samsung calls CE Dimming. RTINGS says it dims near-black scenes considerably. Inference: a screen-wide dimming feature is not the same as the zone-based local dimming this TV lacks. RTINGS’ review of the Samsung M80H has the full results; some numeric values are not reproduced here. RTINGS used Methodology v2.3.1 on the 65-inch unit, dated the review June 3, 2026, and last updated its test bench on October 20, 2026. For the M80H set against a TV that does have local dimming, see our Samsung 65M80H vs 65QN80H comparison.

Dark Rooms and Contrast

RTINGS rates the contrast poor. The panel’s native contrast is quite good, but with no local dimming blacks look gray, and RTINGS says the whole screen is washed out. Black uniformity is rated great, with only a few warm spots and no significant flashlighting in the corners. Inference: the result is an even gray rather than a deep black, which limits dark-room viewing. Our explainer on what local dimming does shows what a zone-based backlight adds.

Daytime Viewing and Glare

RTINGS rates SDR peak brightness as disappointing. It says the TV copes with moderate daytime glare but is not a good choice for an overly bright room. The glossy finish does very little to reduce direct, mirror-like reflections, and total reflected light is rated sub-par, with noticeable diffraction artifacts around bright lights and window light spread across the screen.

HDR Performance

HDR is a weak area in RTINGS’ results. It rates peak brightness in HDR as poor: not bright enough to deliver an impactful HDR experience in bright scenes, and combined with its low contrast ratio, small highlights do not stand out at all and most HDR content looks dull and flat. RTINGS says it is significantly dimmer than the Vizio Mini LED Quantum 4K.

RTINGS rates HDR color volume mediocre. It says the TV cannot display dim colors well because of its low contrast ratio, and that bright colors are slightly washed out, but that it is mainly limited by its incomplete color gamut and low peak brightness.

Color Accuracy and Viewing Angle

RTINGS rates SDR color volume as decent, with good coverage of the DCI-P3 color space, though the TV struggles with the full range of greens and reds and with lighter scenes. Before calibration, SDR accuracy is rated great, with slightly strong reds and blues causing a faint pink tint, and after calibration it is rated fantastic. The white balance changes significantly as brightness increases, which RTINGS says makes it nearly impossible to calibrate for different viewing conditions, such as adjusting the backlight for daytime or evening viewing.

HDR accuracy starts out mediocre and reaches good after calibration, per RTINGS. Seating matters: the viewing angle is rated mediocre, with colors fading toward the sides, and screen uniformity is sub-par, with the sides considerably darker than the center, though it looks a lot better in dark scenes.

Gaming, Refresh Rate and Motion

Inference: the gaming specification list is where this TV stands out. RTINGS reports a maximum of 4K at 144Hz or 1080p at 240Hz, excellent input lag, support for FreeSync, HDMI Forum VRR and G-SYNC Compatible, and Low Framerate Compensation. RTINGS says it is fully compatible with everything the PS5 offers and with almost everything the Xbox Series X|S offers, including 4K at 120Hz and Auto Low Latency Mode, with no Dolby Vision gaming.

RTINGS describes a bad response time with very blurry motion, extremely high CAD at 144Hz with most transitions very slow to complete, and a little improvement at 120Hz, while at 60Hz motion becomes incredibly blurry.

For film and TV, RTINGS says the TV removes judder automatically from the vast majority of sources, with only a bit of stutter in very slow panning shots. The optional black frame insertion has very bad pulse timing that produces a very noticeable double image, and the backlight flickers at 960Hz in FILMMAKER and Game Mode but at 120Hz in the other picture modes, though RTINGS says it is flicker-free at max brightness in all modes.

Key Features Breakdown

Tizen Interface and Ads

The M80H ships with the 2026 version of Samsung’s Tizen interface. Home screen ads cannot be disabled completely, though targeted ads can be turned off.

How RTINGS Compares the M80H With Other TVs

Versus the Samsung M70H

RTINGS calls the two very similar overall. It credits the M80H with better processing, which removes judder from more sources, though it says this is not a huge difference in most content. It also lists better gaming features, including a high refresh rate mode even with 4K sources like a PS5 or Xbox Series X. See our Samsung 65M70H review for that model.

Versus the Samsung Q8F 2025

RTINGS reports nearly identical performance, with the M80H supporting a higher refresh rate at 1080p from a PC. It also lists a different panel structure with an RGB subpixel layout on the M80H, which helps improve text clarity when used with a PC.

Versus the TCL QM6K and Vizio Mini LED Quantum 4K

RTINGS lists these differences. For the TCL QM6K it cites high peak brightness, much better contrast, much better accuracy in HDR and significantly less blur around fast-moving objects. For the Vizio Mini LED Quantum 4K it cites significantly higher brightness, which lets it handle more glare during the day and makes HDR content stand out better, and better contrast overall from a full array local dimming feature that the Samsung lacks, though dark scenes on the Vizio are more uneven.

The Good, the Bad, and the Ugly

The One Pro and Three Cons RTINGS Lists

RTINGS’ summary box lists one Pro and three Cons:

• ✅ Great color accuracy in SDR out of the box — the listed Pro.
• ❌ Can’t reduce the intensity of direct, mirror-like reflections — a listed Con.
• ❌ Sub-par screen uniformity — a listed Con.
• ❌ Not bright enough to overcome glare in a bright room — a listed Con.

Other Findings From RTINGS’ Test Notes

These come from RTINGS’ detailed test sections, not from its Pro and Con list:

• ✅ Great black uniformity — only a few warm spots, even though blacks are raised and gray.
• ✅ Gaming feature set — excellent input lag, VRR support and 4K at 120Hz console compatibility.
• ✅ Low burn-in risk — RTINGS calls permanent burn-in highly unlikely on this direct-lit LCD.
• ❌ No local dimming — blacks look gray and the whole screen looks washed out.
• ❌ Poor HDR peak brightness — combined with low contrast, small highlights do not stand out at all and most HDR content looks dull and flat.
• ❌ Slow response time — motion is very blurry.

The Ugly

Inference: the main concern is the gap between the label and the hardware. RTINGS says the Mini LED wording is misleading because the TV has no local dimming. Inference: a second gap sits between the gaming specification list and the blurry motion RTINGS reports.

RTINGS describes the feature coverage as a great selection. Inference: the strengths and the weak spots sit in different parts of the spec sheet.

Who Should Buy This — and Who Shouldn’t

Buy This If

Inference: the M80H fits a buyer who ranks features first and picture second, such as someone who wants a 4K TV with HDMI 2.1 bandwidth, a high refresh rate mode and a full smart interface. RTINGS says the interface makes it easy to watch shows and movies in a moderately-lit room just fine, and that SDR brightness handles moderate glare during the day, though not an overly bright room. Our guide to what a good refresh rate for a TV is explains what the refresh rate spec means in practice.

Skip This If

Inference: skip it if you watch mostly in a dark room, because RTINGS rates the contrast poor and describes a washed-out, gray image. RTINGS says it is not bright enough to overcome glare in a bright room. Inference: the slow response time and the viewing-angle results count against blur-free fast motion and wide seating.

For background on the format behind the HDR results above, see our explainer on what HDR on a TV means.

Final Verdict

Is the Samsung 65M80H Worth Buying?

SignalVetted has not tested this TV, so this is a reading of RTINGS’ results rather than a rating. Inference: they support a narrow case: a feature-heavy 65-inch set with no local dimming despite the Mini LED label, poor HDR and slow motion, and if dark-room contrast, HDR or fast-motion clarity rank high for you, those are the results in this Samsung 65M80H review to weigh most heavily.

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Frequently Asked Questions

✅ Based on spec analysis and the sources named on this page.