LG 85QNED92AUA 85" VS LG 86QNED9MAUA 86"

Both the LG 85QNED92AUA and the LG 86QNED9MAUA share a strong display foundation: Mini-LED LCD panels running at native 4K (3840 x 2160) resolution, 10-bit color depth capable of rendering over a billion colors, and full support for HDR10, Dolby Vision, and HLG. At their respective sizes, the pixel densities are virtually identical — 52 ppi versus 51 ppi — meaning neither has a perceptible sharpness advantage from normal viewing distances. Both also feature anti-reflection coatings and ambient light sensors, along with wide 178° horizontal and vertical viewing angles, so picture consistency across the room is a non-issue for either set.

The most meaningful differentiator is the refresh rate. The 86QNED9MAUA steps up to 144Hz compared to the 85QNED92AUA′s 120Hz. In practice, 144Hz delivers noticeably smoother motion in fast-action sports and gaming, and it opens up higher frame-rate support for PC gamers connecting via HDMI or DisplayPort. On the adaptive sync front, however, the 85QNED92AUA counters with AMD FreeSync Premium — a stricter certification than the base AMD FreeSync found on the 86QNED9MAUA. FreeSync Premium mandates a minimum 120Hz at native resolution and requires low framerate compensation (LFC), which reduces screen tearing and stutter more reliably at lower frame rates. So while the 86QNED9MAUA peaks higher, the 85QNED92AUA offers a more consistently tear-free experience across the frame-rate range.

Overall, the 86QNED9MAUA holds the edge for pure refresh rate headroom, making it the stronger choice for gamers who can sustain high frame rates. However, if smooth, tear-free visuals across a wider performance range matter more — or if the slightly smaller 84.5″ footprint is preferable — the 85QNED92AUA′s FreeSync Premium certification gives it a meaningful real-world advantage in adaptive sync quality.

Connectivity between these two sets is remarkably similar, and for most users the shared specs will cover all the bases comfortably. Both run Wi-Fi 6E for fast, low-latency wireless performance on uncongested 6GHz bands, pair via Bluetooth 5.3 for stable accessory connections, include a wired RJ45 Ethernet port, support Miracast for screen mirroring, and offer HDMI 2.1 across all their HDMI ports — meaning full bandwidth for 4K@120Hz and VRR-capable sources like current-gen gaming consoles.

The sole differentiator here is the HDMI port count. The 85QNED92AUA ships with four HDMI 2.1 ports, while the 86QNED9MAUA provides three. In a living room with multiple simultaneous sources — say, a gaming console, a soundbar via eARC, a streaming stick, and a Blu-ray player — that extra port on the 85QNED92AUA eliminates the need for an HDMI switch, which can introduce input lag and compatibility headaches. For lighter setups with only one or two active devices, the difference is largely academic.

The 85QNED92AUA takes a clear edge in connectivity on the strength of that additional HDMI 2.1 port alone. Every other connectivity spec is identical, so the 86QNED9MAUA is not at a disadvantage in any other dimension — but for users building out a densely connected home theater, the four-port configuration is a genuinely practical advantage.

Audio capabilities are nearly a mirror image across these two sets. Both support the full Dolby ecosystem — Dolby Digital, Dolby Digital Plus, Dolby Audio, and Dolby Atmos — alongside Digital Out and HDMI ARC/eARC, which allows a connected soundbar or AV receiver to be controlled and fed high-quality audio through a single HDMI cable. For users who plan to route audio through an external system, this shared foundation means neither TV is at a disadvantage.

Where they diverge is in the built-in speaker configuration. The 85QNED92AUA includes a subwoofer; the 86QNED9MAUA does not. A dedicated subwoofer handles low-frequency reproduction — the deep bass in action sequences, the rumble of thunder, the weight of a kick drum — that stereo speakers alone typically struggle to convey at TV sizes. For viewers who rely primarily on the television′s internal speakers, this is a tangible real-world difference in perceived audio depth and fullness, not just a spec-sheet distinction.

The 85QNED92AUA has a clear audio advantage for anyone using the TV′s built-in sound system, thanks solely to the integrated subwoofer. If an external soundbar or home theater system is already in the plan, the gap closes entirely and both sets perform equivalently as audio pass-through devices.

Given that the 86QNED9MAUA is physically larger — wider and taller by roughly 38mm in each dimension — it is not surprising that it occupies more wall or floor space. What is striking, however, is the weight gap. The 85QNED92AUA weighs approximately 35.2 kg, while the 86QNED9MAUA comes in at 45.5 kg — a difference of over 10 kilograms. At this size class, that delta is highly consequential: wall-mount installations require brackets and wall structures rated for the load, and every additional kilogram increases the physical effort and safety margin required during a two-person install.

The thickness story cuts the other way. The 86QNED9MAUA is notably slimmer at 50.8 mm versus the 85QNED92AUA′s 60.9 mm — a 10mm difference that becomes visible when the set is wall-mounted, as the thinner profile sits closer to the wall and presents a cleaner, more flush appearance from the side. Both sets support VESA mounting, so neither has an installation compatibility advantage on that front.

Which design trade-off matters more depends entirely on the use case. For wall mounting where aesthetics and profile depth are priorities, the 86QNED9MAUA′s slimmer build is appealing. But for ease of handling, transport, and structural load concerns, the 85QNED92AUA′s significantly lower weight is the more practical advantage — and on balance, that 10 kg difference is the harder constraint to work around, giving the 85QNED92AUA a slight design edge for most installation scenarios.

From a smart TV feature standpoint, these two sets are functionally identical. Both offer built-in smart TV platforms with voice command support via Google Assistant and Alexa, AirPlay for Apple device mirroring, smartphone remote control, USB recording, and the same family-friendly utilities like sleep timer and child lock. Neither supports Siri/Apple HomeKit, and both carry a one-year warranty. For anyone choosing between them based on software features or ecosystem compatibility, there is nothing to separate them.

The story changes dramatically when power consumption enters the picture. The 85QNED92AUA draws 368W during operation and racks up an estimated 675 kWh annually, while the 86QNED9MAUA consumes just 209W operating and only 384 kWh per year. That annual gap of 291 kWh is substantial — at average U.S. electricity rates, it translates to a meaningful difference in yearly running costs, and over the lifespan of the TV the savings compound considerably. Standby consumption is identical at 0.5W for both, so the disparity is entirely in active use.

The 86QNED9MAUA holds a decisive advantage in this group, not because of features — which are a dead heat — but because of its dramatically lower power draw. For energy-conscious buyers or those in regions with high electricity costs, consuming nearly half the power of the 85QNED92AUA for comparable smart TV functionality is a compelling long-term argument in its favor.