LG 27GN750-B Review

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The LG 27GN750-B’s refresh rate, response time, input lag, viewing angles, and bright display impressed reviewers. Critics agreed it’s a great monitor for competitive gaming. Its flaws include a poor HDR color gamut, low contrast, poor resolution, and a bad stand.

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Product Snapshot


The LG 27GN750-B is the brand’s mid-level model released in 2019. Thanks to its excellent refresh rate and input lag, it promises to deliver a smoother gaming experience than other mid-level models. It also has better viewing angles than its competitor, the BenQ ZOWIE XL2546K. It’s an excellent monitor for competitive gamers where smoothness and quick inputs are essential. In addition, the LG 27GN750-B has excellent SDR peak brightness, a high response time, and Freesync and G-Sync compatibility. Keep reading our LG 27GN750-B review, and don’t forget to check out the best-ranked computer monitors available now.


our Verdict

The LG 27GN750-B has a lot going for it – a high refresh rate, great response time, low input lag, wide viewing angles, and enough brightness to combat glare. It’s a great choice for competitive gaming, but it does have some drawbacks – a mediocre HDR color gamut, a low contrast ratio, a disappointing resolution, and a not-so-great stand.

ReasonS to Buy

  • High Refresh Rate
  • Great Response Time
  • Low Input Lag
  • Wide Viewing Angles
  • Good Brightness

Reason to Avoid

  • Mediocre HDR Color Gamut
  • Low Contrast Ratio
  • Disappointing Resolution
  • Lousy Stand

LG 27GN750-B Specs

Display TypeLCD
HDMI Inputs2
HDR FormatYes
Max Resolution1920 x 1080 (Full HD)
Panel TypePanel TypeIPS
Refresh Rate240 Hz
Response TimeResponse Time1 ms
Screen size27"
Sync TechnologySync TechnologyAMD FreeSync Premium

All Specs

Test Results

Brightness (nits)351
Contrast Ratio (as ratio, x:1)1,032
Color Gamut/Accuracy % (DCI P3 xy)82
Color Gamut/Accuracy % (DCI P3 uv)0
Color Gamut % (Adobe RGB Coverage xy)75.7
Color Gamut % (sRGB Coverage xy)97.2
Color Gamut % (Rec. 2020 Coverage xy)57.9
Color Gamut % (Rec. 709 Coverage xy)0
Input Lag (ms)9.3
Response Time (ms)4.8
Reflections % (Total Reflections)4.8
Horizontal Viewing Angle (Washout Left)44
Horizontal Viewing Angle (Washout Right)46
Vertical Viewing Angle (Washout Above)33
Vertical Viewing Angle (Washout Below)32

All Tests

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Expert Scores

  • Rtings

    Category Trust Rating

    The LG 27GN750-B is a good monitor for most uses, and it performs best as… Read More


    Samuel Breton
  • Techradar

    Category Trust Rating

    The LG UltraGear 27GN750 is an excellent gaming monitor if you want an ultra-fast panel…. Read More


    Mufaddal Fakhruddin

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