Samsung QN75QN80FAF 75" VS TCL 75QM5K 75"

At their core, both the Samsung QN75QN80FAF and the TCL 75QM5K share an identical display foundation: the same 75″ QLED Mini-LED LCD panel with a 3840 x 2160 resolution, 59 ppi pixel density, 10-bit color depth, 1.07 billion colors, a 144Hz refresh rate, and identical 178° viewing angles in both directions. Both also include anti-reflection coatings and ambient light sensors, making their out-of-the-box panel specs effectively a draw.

The two meaningful differentiators lie in HDR format support and adaptive sync capabilities. On HDR, the TCL gains an edge by supporting Dolby Vision in addition to HDR10, HDR10+, and HLG — a format the Samsung lacks entirely. Dolby Vision delivers dynamic, scene-by-scene metadata that is widely used by streaming platforms like Netflix and Apple TV+, so its absence on the Samsung is a real-world limitation for streaming-heavy users. On the gaming side, however, the Samsung fights back: it supports AMD FreeSync Premium Pro (which includes both tear-free gaming and HDR certification for variable refresh rate content), while the TCL is limited to base-level AMD FreeSync only. This gives the Samsung a tangible advantage for PC gamers who want the smoothest, lowest-latency experience.

In summary, neither TV dominates outright in the display category — the advantage depends on use case. The TCL 75QM5K has the edge for streaming and media consumption thanks to Dolby Vision, while the Samsung QN75QN80FAF is the stronger choice for gaming thanks to its superior FreeSync Premium Pro implementation.

Both TVs share the same wireless connectivity backbone — Wi-Fi 5, Bluetooth, Miracast, and a wired RJ45 ethernet port — so neither has an advantage on the networking side. Where they diverge is in physical port count, and the gap is notable. The Samsung QN75QN80FAF offers 4 HDMI 2.1 ports and 2 USB ports, while the TCL 75QM5K provides only 3 HDMI 2.1 ports and 1 USB port.

In practice, this matters more than it might seem. A typical modern living room setup — say, a gaming console, a soundbar via eARC, a streaming stick, and a Blu-ray player — can easily consume all three of the TCL's HDMI ports, leaving no room to grow. The Samsung's fourth HDMI port provides meaningful flexibility without requiring an external switch. Similarly, a second USB port makes it easier to simultaneously connect a storage drive and a peripheral like a keyboard or a USB audio adapter.

The Samsung QN75QN80FAF holds a clear edge in connectivity, purely due to its more generous port layout. For users building out a multi-device home theater, that extra HDMI and USB port reduce hassle and future-proof the setup better than the TCL's more constrained selection.

Audio is the rare category where these two TVs are in complete lockstep. Both feature stereo speakers, a built-in subwoofer, Dolby Atmos and Dolby Audio support, digital audio output, and full HDMI ARC and eARC compatibility — and neither includes SRS TheaterSound HD or Dolby Virtual.

The presence of eARC is worth highlighting for soundbar users: unlike standard ARC, eARC carries high-bandwidth, uncompressed audio formats, meaning it can pass through lossless Dolby TrueHD and DTS-HD Master Audio from a connected source directly to a compatible soundbar — a meaningful quality upgrade over older connections. Both TVs deliver this equally. The built-in subwoofer on each is also a positive signal for base-level bass performance without an external speaker, though neither spec set quantifies wattage or driver configuration.

This group is a complete tie. Every audio feature listed is identical across both products, so the Audio category offers no basis for preferring one TV over the other.

Footprint-wise, these two TVs are nearly indistinguishable — width and height differ by less than 2mm — but two physical specs tell a more interesting story. The TCL 75QM5K is dramatically lighter at 23,496 g versus the Samsung QN75QN80FAF's 33,500 g, a difference of roughly 10 kg. For a 75-inch TV, that gap is practically significant: it affects how many people are needed for installation, how much strain is placed on a wall mount, and how confidently a single person can reposition the set.

The Samsung, however, is noticeably slimmer at 47.1 mm thick compared to the TCL's 55.9 mm — nearly a centimeter difference. For wall-mount installations where the TV sitting close to the wall matters aesthetically, the Samsung has a cleaner profile. The TCL's larger volume overall is consistent with its greater thickness, despite weighing significantly less, which suggests different internal construction and component density between the two.

On operating temperature, the Samsung tolerates higher ambient heat (up to 40°C) while the TCL handles cooler environments (down to 5°C), but for typical indoor home use these ranges are largely academic. Overall, the design category splits by use case: the TCL 75QM5K wins on handling and mounting ease due to its much lower weight, while the Samsung QN75QN80FAF wins on sleekness with its thinner profile.

The Features category produces the second complete tie in this comparison. Every single spec — from AirPlay and built-in smart TV functionality to voice assistant compatibility with Google Assistant and Alexa, USB recording, smartphone remote support, and a 0.5W standby power draw — is identical across both the Samsung QN75QN80FAF and the TCL 75QM5K. Even the warranty period lands at the same 1 year.

A few of the shared features are worth contextualizing. Neither TV supports Apple HomeKit or Siri, which is a limitation for users deeply embedded in the Apple ecosystem who want native smart home integration beyond AirPlay mirroring. The identical 0.5W standby consumption is a positive mark for both — this is a very efficient idle draw, meaning leaving either TV in standby has negligible long-term energy cost. USB recording support is also a practical shared bonus, allowing users to record live broadcast content directly to a USB drive without a separate recorder.

With no differentiating data point anywhere in this group, the Features category is a complete tie. Buyers prioritizing smart features or ecosystem integration will need to look to other specification groups to make their decision.