Hisense 100U8QG 100" VS Samsung QN65QN80FAF 65"

Both the Hisense 100U8QG and the Samsung QN65QN80FAF share the same fundamental panel technology — QLED, LED-backlit, Mini-LED LCD — and output an identical 4K (3840 x 2160) resolution with 10-bit color depth and 1.07 billion colors. In practice, this means both screens are capable of rich, nuanced color gradations and solid HDR rendering from a hardware standpoint. Viewing angles are also identical at 178° horizontal and vertical, and both include anti-reflection coating and an ambient light sensor, so neither has an edge in usability or panel uniformity at a foundational level.

The most consequential differentiator is screen size, and it cascades into pixel density. The Hisense spans 99.5″ versus the Samsung's 64.5″ — a format difference that fundamentally changes the viewing experience. However, because both resolve the same 4K pixel count, the Hisense's pixel density drops to 44 ppi compared to the Samsung's 68 ppi. At typical close-range seating distances, the Samsung's higher pixel density produces a noticeably sharper image per inch. The Hisense's lower ppi only becomes imperceptible at greater viewing distances — which, for a 100″ screen, is where you'd naturally sit anyway. So the density gap is real but largely self-correcting based on intended use.

Two specs tip the balance further: the Hisense runs at a higher 165Hz refresh rate versus the Samsung's 144Hz, which benefits fast-motion content and gaming responsiveness, and critically, the Hisense supports Dolby Vision while the Samsung does not. Since Dolby Vision is the most widely adopted dynamic HDR format across streaming platforms, this is a meaningful real-world advantage for the Hisense. Overall, the Hisense 100U8QG holds the display edge — its Dolby Vision support and higher refresh rate outweigh its lower pixel density, especially at the viewing distances a 100″ screen demands.

At the core, both TVs share a solid connectivity foundation: HDMI 2.1, Bluetooth 5.3, two USB ports, an RJ45 ethernet port, and Miracast support. HDMI 2.1 is particularly important for modern use — it enables 4K at high refresh rates from gaming consoles and PCs without bandwidth bottlenecks. Where they diverge is in the details, and those details matter depending on your setup.

The Samsung QN65QN80FAF edges ahead on wired device management with 4 HDMI ports versus the Hisense's 3 — a practical win for users running a full suite of sources like a soundbar, console, streaming stick, and PC simultaneously. Wireless connectivity, however, swings firmly in the other direction: the Hisense 100U8QG supports Wi-Fi 6E, while the Samsung tops out at Wi-Fi 5. Wi-Fi 6E opens access to the uncongested 6GHz band, delivering faster throughput and lower latency in crowded wireless environments — a tangible advantage for 4K streaming and future-proofing.

One final differentiator worth flagging: the Hisense includes a 3.5mm audio jack, which the Samsung omits entirely. For users who want to connect headphones directly to the TV — useful for late-night viewing — this is a convenience the Samsung simply cannot match. On balance, the Hisense 100U8QG holds the connectivity edge: its Wi-Fi 6E support and headphone jack outweigh the Samsung's one-port HDMI advantage for most users.

Across every audio specification provided, the Hisense 100U8QG and the Samsung QN65QN80FAF are a perfect match. Both carry Dolby Atmos and Dolby Audio support, built-in stereo speakers, an integrated subwoofer, Digital Out, and full HDMI ARC and eARC compatibility. There is not a single differentiating data point between them in this category.

The shared highlights are worth contextualizing: Dolby Atmos support means both TVs can decode and pass through object-based spatial audio from streaming services and Blu-ray sources, creating a more immersive soundstage than standard stereo. The inclusion of eARC alongside ARC is also meaningful — eARC carries significantly more bandwidth than its predecessor, allowing lossless audio formats like Dolby TrueHD to be sent to a compatible soundbar without compression.

This group is a clear tie. Neither TV holds any audio advantage over the other based on the available specs, and the choice between them should rest entirely on the differentiators found in other specification groups.

Size class differences dominate this category entirely. The Hisense 100U8QG weighs in at 63,503g — nearly 2.7 times the Samsung's 23,700g — and its footprint is proportionally massive at 2230mm wide and 81.3mm thick versus the Samsung's 1446.5mm width and 46.6mm depth. These aren't just numbers on a page: a 100″ TV approaching 64kg demands advance planning around structural wall support, multi-person installation, and room layout in a way a 65″ panel simply does not. The Hisense's volume — over 232,000 cm³ compared to the Samsung's roughly 55,900 cm³ — underscores just how different the physical footprint of these two sets really is.

One less obvious but practically relevant distinction is operating temperature range. The Samsung QN65QN80FAF tolerates temperatures up to 40°C and has a minimum threshold of 10°C, while the Hisense operates between 5°C and 35°C. For most living room environments this is inconsequential, but the Samsung's higher heat tolerance offers a modest advantage in poorly ventilated or warmer spaces, while the Hisense's lower cold threshold gives it a slight edge in cooler rooms or unconventional installation environments like a garage or sunroom.

Both support VESA mounting, so wall installation is an option for either — though the structural demands of mounting a 64kg, 100″ panel are substantially greater. In design and form factor, the Samsung holds the clear practical edge for the majority of installations: it is dramatically lighter, slimmer, and easier to place, move, and manage, making it the more flexible option from a physical integration standpoint.

Feature parity between these two TVs is remarkably high. Both offer a full smart TV platform with voice command support across Google Assistant and Alexa, AirPlay compatibility, smartphone remote control, USB recording, and a matching 0.5W standby power consumption. Neither supports Siri or Apple HomeKit, and neither ships with a rechargeable remote — so for ecosystem-conscious Apple users, both present the same gap equally.

With virtually every feature checked identically, the single differentiator that actually matters here is the warranty period. The Hisense 100U8QG is backed by a 2-year warranty, while the Samsung QN65QN80FAF offers just 1 year. For a large-screen TV — and especially for a 100″ panel that is significantly more complex to service or replace — an extra year of manufacturer coverage is a meaningful ownership advantage, providing greater protection against defects without additional cost.

This group goes to the Hisense by a narrow but concrete margin. The doubled warranty period is the only real distinguishing factor, but it is a tangible one that directly affects long-term value and peace of mind.