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Samsung QN70F review

The FasitResearch-based review

Published

Best forSamsung users seeking a slim, high-refresh LCD for daytime television.

At a glance

Display technology
Edge-lit Mini LED LCD with quantum dots
Available sizes
55 inches65 inches75 inches85 inches
Native resolution
3840 × 2160
Native refresh rate
120 Hz
HDR formats
HDR10+HDR10HLG

The QN70F combines a thin profile with several capable HDMI inputs. Its Mini LED label is less informative about dark-room performance than the location of those lights, especially when a scene contains one bright object against a dark background.

Pros

  • Four high-bandwidth HDMI connections suit several gaming sources.
  • The 55-inch sample had plenty of brightness for daytime programs. 1

Cons

  • The edge-lit dimming system did little to improve contrast in testing. 1
  • Fast movement could blur despite support for high input rates. 1

Display

  • 4K LCD
  • Edge-lit Mini LED
  • HDR10+

The backlight illuminates from the edge. On the 55-inch QN70F, RTINGS found low contrast and ineffective local dimming. A star field or bright subtitles are harder tasks here than a well-lit studio broadcast. For someone who watches mostly news and daytime programming, those weaknesses carry less weight. 1

Gaming

  • Up to 4K at 144 Hz
  • VRR

The QN70F can take a variable-rate signal from a compatible PC or console. RTINGS nevertheless saw blur on fast-moving objects. If you play slower strategy games, the ability to leave sources plugged in might matter more than that motion weakness. For quick shooters, I'd prioritize the latter. 1

Design and Connectivity

  • 55 to 85 inches
  • Tizen

A slim panel helps a wall installation look tidy. All of your source leads still need to reach the television, so leave a cable route, and give cables space to bend behind the mount. The TV's built-in apps let you reserve a socket if you prefer to stream directly.

Alternatives

A full-array Mini LED such as TCL's QM7K lights the screen from behind and can manage localized bright areas more precisely. That is a more meaningful change for a film viewer than moving up one QN70F size. 1

Verdict

The QN70F makes its best case through daylight brightness, slim design and connections. I'd pass on it for a cinema room where the quality of shadows is the priority.

About this review

This is a research-based review. The Fasit has not physically tested this product.

Sources & Research

1 reference

Independent sources cited in this article.

  1. RTINGSSamsung QN70F review (opens in a new tab)https://www.rtings.com/tv/reviews/samsung/qn70f

    55-inch edge lighting, low contrast, slow transitions, QM7K comparison.

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