Verdict
Head-to-head · Best 4K TVs

Hisense 65U7N Mini-LED 65-inch vs Samsung S90D 65-inch (QN65S90D)

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Samsung S90D 65-inch (QN65S90D) comes out ahead by a narrow margin (4.3 vs 4.6). The gap is mostly about Buyers who want the OLED picture-quality leap at the lowest possible price, in a controlled-light room, and who don't watch Dolby Vision content from disc. — read the strengths below before deciding.

Hisense 65U7N Mini-LED 65-inch
Ranked #4 in Best 4K TVs
Hisense 65U7N Mini-LED 65-inch
$798

The Hisense U7N is the value sweet spot of the entire 4K TV market — a 384-zone mini-LED panel with Dolby Vision IQ, 144Hz refresh, and full gaming features for under $800 street. It rewards a few minutes of picture-mode tweaking with picture quality that would have been flagship-tier three years ago, and street pricing routinely drops it to $680 on sale.

Strengths
  • 384 local dimming zones plus 1,500-nit peak brightness — uncommonly capable for the sub-$800 price tier
  • Native 144Hz refresh with VRR and ALLM is rare at this price; console 4K/120Hz works cleanly
  • Supports both Dolby Vision IQ and HDR10+ — the rare TV that bridges both HDR ecosystems
Watch-outs
  • Default picture settings need tweaking — What Hi-Fi noted you must 'wrangle with its slightly obtuse settings to get the most out of it'
  • Very bright HDR scenes can flatten where the panel pushes too hard, per What Hi-Fi's testing
  • 40W 2.1-channel audio is thin and badly needs a soundbar
Samsung S90D 65-inch (QN65S90D)
Higher ratedRanked #2 in Best 4K TVs
Samsung S90D 65-inch (QN65S90D)
$1,597

Samsung's mid-tier QD-OLED is the value pick for buyers who want OLED picture quality without paying flagship money. The QD-OLED panel renders saturated colors more vividly than the LG G4 on certain content, and street pricing under $1,500 makes it the cheapest entry to true premium picture quality.

Strengths
  • Third-generation QD-OLED panel delivers wider color volume than competing WOLEDs, especially on saturated reds and greens
  • Roughly 1,300 nits peak HDR brightness on a 10% window — the brightest QD-OLED Samsung has shipped
  • All four HDMI ports are HDMI 2.1, with native 120Hz and a firmware-enabled 144Hz mode on HDMI 4 for PC use
Watch-outs
  • Samsung still refuses to support Dolby Vision — disc players and streaming services fall back to HDR10+
  • Standard matte coating (not the nano-textured S95D coating) shows brighter room reflections
  • Tizen home screen is ad-heavy and difficult to fully suppress

How they stack up

Hisense 65U7N Mini-LED 65-inch

Trails the TCL 65QM7K's Halo Control optical layer and Onkyo-tuned audio but undercuts it by roughly $200 at street. Versus the OLED-tier LG OLED G4 and Samsung QN65S90D the U7N cannot match black levels, but at a third or quarter of the price the comparison is unfair. Within the value tier of this guide it is the most aggressive price-to-performance trade.

Samsung S90D 65-inch (QN65S90D)

Costs roughly $700 less than the LG OLED G4 at street, with comparable peak HDR brightness on smaller windows but without Dolby Vision support. Versus the TCL 65QM7K it is a different category — true OLED black levels at a price closer to flagship mini-LED than to flagship OLED. Against the Hisense 65U7N the Samsung is double the price but the per-pixel contrast and color volume justify the gap for serious movie watching.

Specs side-by-side

SpecHisense 65U7N Mini-LED 65-inchSamsung S90D 65-inch (QN65S90D)
Screen Size65 in65 in
Resolution4K UHD (3840x2160)4K UHD (3840x2160)
Panel TypeMini-LED ULED (VA)QD-OLED (3rd-gen)
HDR FormatsDolby Vision IQ, HDR10+, HDR10, HLGHDR10+, HDR10, HLG (no Dolby Vision)
Refresh Rate144 Hz144 Hz (HDMI 4 only)
HDMI Ports4 (2 with HDMI 2.1)4 (all HDMI 2.1, 48 Gbps)
Smart OSGoogle TVTizen
Audio40W 2.1-ch Dolby Atmos40W 2.1-ch Object Tracking Sound Lite
Voice AssistantGoogle Assistant, AlexaBixby, Alexa
Warranty1-year limited1-year limited
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