LG 75QNED85AUA 75" VS Samsung QN75Q8FAAF 75"

At first glance, the display specs of the LG 75QNED85AUA and the Samsung QN75Q8FAAF look nearly identical — both deliver 4K (3840 x 2160) resolution at 59 ppi, share a 10-bit color pipeline capable of 1.07 billion colors, run at a 144Hz refresh rate, and support the same adaptive sync stack (AMD FreeSync Premium). Viewing angles, ambient light sensing, and anti-reflection coatings are also matched. For most of the checklist, these two TVs are in a genuine tie.

The real differentiators lie in panel technology and HDR format support. The LG uses a Mini-LED-backlit LCD layer, which provides more granular local dimming zones than a conventional LED array, generally translating to better contrast and reduced blooming around bright objects in dark scenes. The Samsung, by contrast, employs QLED — a quantum-dot filter over a standard LED backlight — which is optimized for color volume and peak brightness rather than local dimming precision. On the HDR side, Samsung holds a clear format advantage: it supports HDR10+ (dynamic metadata that adjusts tone-mapping scene by scene) in addition to HDR10 and HLG, while the LG is limited to HDR10 and HLG only. For users with an HDR10+ content library — particularly Amazon Prime Video titles — this is a meaningful distinction. Neither TV supports Dolby Vision.

Taken together, the LG's Mini-LED backlight gives it a structural edge in contrast performance, while Samsung's HDR10+ compatibility gives it a broader HDR format reach. The screen size difference (75.1″ vs 74.5″) is negligible in practice. If contrast and dark-scene quality are the priority, the LG has the panel architecture advantage; if HDR format compatibility and color brightness are more important, the Samsung pulls ahead. Neither product dominates outright — the better choice depends on the viewer's content sources and room conditions.

Across most of the connectivity checklist, these two TVs are virtually indistinguishable: both offer 4 HDMI 2.1 ports, 2 USB ports, a single RJ45 Ethernet jack, Bluetooth 5.3, Miracast support, and identical absences — no 3.5mm audio jack, no external memory slot, no legacy video connectors. For anyone building a home theater with multiple 4K or 8K sources, the full HDMI 2.1 port count on both is a genuine strength, supporting high bandwidth for gaming consoles and media players alike.

The one meaningful split is wireless networking. The LG 75QNED85AUA supports Wi-Fi 6 and Wi-Fi 6E in addition to the older Wi-Fi 4/5 standards, while the Samsung QN75Q8FAAF tops out at Wi-Fi 5 (802.11ac). In practical terms, Wi-Fi 6 delivers better throughput and significantly improved performance in congested network environments — a real consideration in apartments or homes with many connected devices. Wi-Fi 6E goes further, adding access to the less-crowded 6GHz band, which reduces interference and latency for users whose routers support it. For a TV used primarily for 4K streaming, Wi-Fi 5 is technically sufficient, but the LG's newer wireless stack is noticeably more future-proof.

The LG holds a clear connectivity edge in this group, and it comes entirely down to wireless capability. If your router already supports Wi-Fi 6 or 6E, or if you plan to upgrade in the near future, the LG will take full advantage of it — the Samsung simply cannot. All other ports and wireless protocols between the two are matched, making Wi-Fi generation the single deciding factor here.

Audio format support is a clean tie between these two TVs. Both decode Dolby Digital, Dolby Digital Plus, Dolby Atmos, and Dolby Audio, and both offer HDMI ARC and eARC — the latter being particularly important for users pairing the TV with an external soundbar or AV receiver, as eARC carries lossless, high-bandwidth audio formats that ARC cannot. Stereo speaker configurations and Digital Out support are also matched. For anyone routing sound through external hardware, the two sets are functionally equivalent.

Where they diverge is in built-in bass reproduction. The LG 75QNED85AUA includes a built-in subwoofer; the Samsung QN75Q8FAAF does not. A dedicated subwoofer handles low-frequency content — the rumble of explosions, the weight of a film score — that stereo drivers in a flat-panel TV typically struggle to reproduce. This is a tangible advantage for users who plan to rely primarily on the TV's internal speakers rather than a separate audio system.

The LG takes the edge in this group, but the margin depends heavily on usage. For anyone already committed to an external soundbar or surround system, the subwoofer difference is irrelevant — both TVs pass audio identically via eARC. For users watching without supplemental audio hardware, however, the LG's built-in subwoofer provides a more complete out-of-the-box listening experience.

Physically, these two 75-inch TVs share an identical width of 1676.4 mm and a nearly equivalent height, making footprint a non-factor when planning shelf or wall placement. Both support VESA mounting, so either can be paired with standard wall brackets. The similarities end there, however, once you look at depth and mass.

The Samsung QN75Q8FAAF is notably slimmer at 25.4 mm thick compared to the LG's 30.5 mm — a 5 mm difference that becomes visually meaningful on a wall mount, where the Samsung will sit closer to the surface for a more flush, picture-frame appearance. Weight tells a similar story: the Samsung comes in at 29.7 kg versus the LG's 34 kg, a gap of roughly 4.3 kg. At this size class, that difference matters primarily during installation — maneuvering a 75-inch panel solo is difficult regardless, but the lighter Samsung is meaningfully easier to handle and imposes less stress on wall mount hardware over time.

The Samsung holds a clear design advantage in this group. Its thinner profile and lower weight make it the more practical choice for wall-mounted installations where aesthetics and mounting load are priorities. For stand-mounted setups where depth and weight are less visible or consequential, the gap is less impactful — but the Samsung's physical efficiency remains the objective winner here.

Smart platform parity is essentially complete between these two TVs. Both support AirPlay, Google Assistant, and Alexa, both lack Apple HomeKit/Siri integration, and both offer USB recording, smartphone remote control, voice commands, and a full browser. For smart home users, the ecosystem compatibility is identical — neither TV holds an advantage in how deeply it integrates with third-party assistants or streaming workflows.

Two practical differentiators emerge, however. The Samsung QN75Q8FAAF includes a rechargeable remote control, eliminating the ongoing cost and hassle of disposable batteries — a small but genuinely appreciated convenience over years of daily use. More significantly, operating power consumption diverges sharply: the LG draws 143W during use versus the Samsung's 220W, a gap of 77 watts. Running a TV for five hours a day, that difference compounds to meaningful electricity cost over time, and it also suggests the LG's panel architecture is inherently more power-efficient in active use. Standby consumption is identical at 0.5W for both.

This group produces a split verdict. The Samsung's rechargeable remote is a daily-use convenience win, but the LG's substantially lower power draw is the more consequential long-term advantage — particularly for users who watch frequently or are mindful of energy costs. Which factor weighs more depends on priorities, but objectively, the LG's efficiency gap is the larger differentiator of the two.