Insignia DF710NA21 Review

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With balanced colors, an easy menu, and an affordable price, the Insignia DF710NA21 series is perfect for new Smart TV consumers. However, gamers and live sports watchers may be disappointed with the poor viewing angles and lagging issues.

Product Snapshot


The Insignia DF710NA21 is the brand’s budget tier Smart TV released in 2020. This affordable 4K Ultra HD TV promises to give you sharp, robust colors, and its easy-to-use interface menu makes it perfect for buyers looking for an introductory Smart TV or add-on TV to a second room. This Insignia 4K Fire TV offers HDR support, access to a variety of streaming apps, stereo speakers, and an easy-to-use OS. Hear what reviewers thought of it with this Insignia DF710NA21 review and you can also learn more about the best TVs.


our Verdict

The Insignia DF710NA21 is a great HD 4KTV for budget shoppers. It offers a sharp picture quality, easy-to-navigate menu/OS, Alexa voice command, and pleasing screen sizes. But, gamers may be let down by the poor viewing angles and slow input lag. Plus, fast-moving scenes may be blurry, so it’s not ideal for sports fans.

Reason to Buy

  • Balanced colors
  • Easy to use Fire TV platform
  • Excellent voice command (Alexa)
  • Sharp OS
  • Good sound
  • Nice screen size

Reason to Avoid

  • Not ideal for gaming
  • Contrast takes time to find a good setting
  • The menu is a bit too basic
  • Clearly inferior to more expensive models
  • Blurring with fast motion

Insignia DF710NA21 Specs

Backlight TypeBacklight Typen/a
Display TypeLED
HDMI Inputs3
HDR Formatn/a
LED Panel TypeLED Panel Typen/a
Max Resolution3840 x 2160 (4k)
Refresh Rate60 Hz
Screen size43", 55", 65", 70"
Smart PlatformSmart PlatformFire TV
Sync TechnologySync Technologyn/a

All Specs

Test Results

Color Gamut % (DCI P3 xy)0
Color Gamut % (DCI P3 uv)0
Color Gamut % (Rec 2020 xy)0
Color Gamut % (Rec 2020 uv)0
Color Gamut % (sRGB)0
Color Gamut % (Rec 709)0
Color Gamut % (BT.2020)0
Color Gamut % (Adobe RGB)0
Color Gamut % (BT.709)0
Contrast Ratio (x:1)3,394
SDR Brightness (nits)200
HDR Brightness (nits)269
Input Lag (ms)45
Response Time (ms)0
Color Washout (Degrees)0
Color Shift (Degrees)0
Brightness Loss (Degrees)0
Reflections (%)0
Low-Freq Extension (Hz)0
Freq Response StdDev @ 70db0
Freq Response StdDev @ 80db0
Weighted Total Harmonic Distortion @80db0
Intermodulation Distortion @80db0
EOTF (600 nit delta)0
EOTF (1000 nit delta)0
EOTF (4000 nit delta)0

All Tests

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True Score


Any product with a True Score above 70 is a Mixed Reviews

Expert Score Breakdown

  • PC Mag

    Category Trust Score

    The Insignia Fire TV Edition (NS-DF710NA21) line of televisions is super-affordable and features lots of… read more


    Will Greenwald

Customer Score Breakdown

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