Hisense 75E8Q 75" VS TCL 75QM5K 75"

These two 75-inch televisions are remarkably close in display specifications. Both deliver a 4K (3840 x 2160) resolution at 59 ppi, share a 10-bit panel with 1,070 million colors, and match on brightness at 500 nits typical with a 144Hz refresh rate. The full suite of HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — is supported by both, meaning neither has an advantage in content compatibility. Viewing angles are identical at 178° horizontally and vertically, and both include an anti-reflection coating and ambient light sensor.

The one hardware distinction worth noting is panel technology. The TCL 75QM5K is specified as QLED in addition to Mini-LED-backlit LCD, while the Hisense 75E8Q is listed only as LED-backlit LCD with Mini-LED — no QLED layer. In practice, QLED refers to a quantum dot filter that widens the color gamut and can improve color volume, particularly in bright HDR scenes. This is a genuine structural difference, though the provided specs do not quantify color gamut coverage (e.g., DCI-P3 or BT.2020 percentage), so the real-world magnitude of the gap cannot be precisely determined from this data alone.

On balance, both displays are near-identical on paper across nearly every measurable spec. However, the TCL 75QM5K holds a narrow edge in display technology due to its QLED layer, which theoretically delivers richer, more saturated colors compared to a standard LCD panel without quantum dots. If color vibrancy is a priority, the TCL has the structural advantage; for all other display characteristics, these two televisions are effectively tied.

Both televisions share a solid connectivity foundation: HDMI 2.1 support, identical Wi-Fi coverage (Wi-Fi 5 / 802.11ac), Bluetooth, Miracast, and a wired Ethernet port. HDMI 2.1 is the key standard for modern gaming and high-bandwidth sources, enabling 4K at 120Hz and VRR from compatible consoles and PCs — so neither TV is at a disadvantage there. Wi-Fi 5 is more than adequate for 4K streaming, and the shared Ethernet port is a welcome option for users who prefer a stable wired connection.

Where the two diverge is in physical port count and audio connectivity. The Hisense 75E8Q offers 4 HDMI ports and 2 USB ports, compared to the TCL 75QM5K's 3 HDMI ports and just 1 USB port. For a living room hub with a soundbar, game console, streaming stick, and Blu-ray player all connected simultaneously, that extra HDMI port on the Hisense can eliminate the need for an HDMI switch entirely. The additional USB port is similarly practical for media playback or powering accessories. Beyond port counts, the Hisense also includes a 3.5mm audio jack — absent on the TCL — which is a straightforward but useful option for connecting headphones directly to the TV.

The Hisense 75E8Q holds a clear advantage in connectivity. More HDMI ports, more USB ports, and a headphone jack add up to meaningfully greater flexibility for users with multiple devices or mixed audio setups. The TCL 75QM5K covers the essentials but leaves less room to grow without additional hardware.

Audio is the rare category where these two televisions are in complete lockstep. Both pack a meaningful feature set for built-in TV sound: stereo speakers, a dedicated subwoofer for low-end reinforcement, Dolby Atmos, DTS:X, and the full Dolby audio codec stack including Dolby Digital Plus. The presence of a subwoofer in both is noteworthy — it adds bass depth that stereo-only setups typically lack, making a genuine difference for movie and music content without requiring an external soundbar.

For external audio routing, both televisions support HDMI ARC and eARC. The distinction matters: eARC carries significantly more bandwidth than standard ARC, allowing lossless audio formats like Dolby TrueHD and DTS-HD Master Audio to pass through to a compatible soundbar or AV receiver — a feature that becomes relevant for users invested in premium home theater setups. Both TVs cover this equally.

This group is an unambiguous tie. Every audio specification provided — codecs, speaker configuration, and external audio interface — is identical between the Hisense 75E8Q and the TCL 75QM5K. Neither has any discernible advantage here, and audio capability should not be a differentiating factor in the purchasing decision.

At 75 inches, footprint is nearly identical — width and height differ by less than 1mm between the two. Where they part ways significantly is in depth and mass. The TCL 75QM5K measures just 55.9mm thick and weighs 23,496g, while the Hisense 75E8Q comes in at 86mm thick and 28,500g. That is roughly 30mm of extra depth and about 5kg of additional weight on the Hisense — differences that are immediately felt during installation and placement.

In practical terms, the TCL's slimmer profile sits more flush against a wall when wall-mounted, which matters aesthetically in minimalist or space-constrained rooms. The weight gap is equally consequential: a 5kg difference at this panel size makes single-person installation more feasible with the TCL, and reduces stress on wall mount hardware over time. The TCL's substantially lower volume — roughly 35% less than the Hisense by the provided figures — underscores that this is a meaningfully more compact chassis overall, not just a marginal difference.

Both televisions support VESA mounting and share identical operating temperature ranges, so neither has an edge in mounting compatibility or environmental tolerance. On design and form factor, however, the TCL 75QM5K has a clear advantage: it is significantly thinner, lighter, and more compact, making it the easier TV to install, move, and integrate into a living space.

Across smart features, voice assistant compatibility, and usability extras, these two televisions are virtually indistinguishable. Both run a built-in smart TV platform, support AirPlay, Google Assistant, Alexa, smartphone remote control, USB recording, and voice commands. Neither supports Apple HomeKit or Siri, and both draw a matching 0.5W in standby — a negligible idle power draw that is consistent with modern energy-conscious design. For the vast majority of users, the day-to-day smart TV experience will feel identical on either set.

The one meaningful divergence in this category is warranty coverage. The Hisense 75E8Q includes a 3-year warranty, while the TCL 75QM5K covers only 1 year. On a large-screen television at this price tier, that gap carries real financial weight — a panel or backlight failure in year two or three is a costly repair without manufacturer coverage, and the Hisense's extended protection effectively reduces ownership risk over the medium term.

Given that every smart and usability feature is matched identically, the Hisense 75E8Q holds a clear advantage in this group purely on the strength of its 3-year warranty. It is the single differentiator here, but it is a consequential one for buyers factoring long-term value and peace of mind into their decision.