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LG 27GR83Q-B 27-inch Ultragear QHD (2560x1440) IPS Gaming Monitor, 240Hz, 1ms, DisplayHDR 400, G-Sync AMD FreeSync Premium, HDMI 2.1 DisplayPort, 4-Pole HP Out DTS GP:X, Tilt/Height/Pivot Stand, Black

LG 27GR83Q-B 27-inch Ultragear QHD (2560x1440) IPS Gaming Monitor

Bottom line: The LG 27GR83Q-B 27-inch Ultragear QHD IPS Gaming Monitor ($309.82): Full 240Hz at 2560x1440 over both HDMI 2.1 and DisplayPort 1.4; main trade-off: displayHDR 400 is entry-tier HDR, not a showcase HDR experience.

$309.82

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Mike Perry — Hardware researcher since 2014. For gaming and productivity monitors, synthesises manufacturer specs against measured monitor reviews (RTINGS, Monitors Unboxed) rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. How we check display specs →

*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Full 240Hz at 2560x1440 over both HDMI 2.1 and DisplayPort 1.4
  • ✓ 1ms (GtG) IPS panel keeps fast motion clear
  • ✓ Up to 95% DCI-P3 (Typ.) for rich, saturated color
  • ✓ Validated G-SYNC Compatible plus AMD FreeSync Premium
  • ✓ Tilt, height and pivot stand; 4-pole jack with DTS Headphone:X

Cons

  • ✗ DisplayHDR 400 is entry-tier HDR, not a showcase HDR experience
  • ✗ Needs a high-end GPU to push 240fps at 1440p in modern AAA games
  • ✗ DisplayPort is 1.4, not the newer DP 2.1 standard
  • ✗ No USB-C or USB hub listed in the product specs

Manufacturer description

The LG UltraGear 27GR83Q-B is a 27-inch QHD gaming monitor for players who want high refresh rates without dropping to 1080p. Its 2560x1440 IPS panel runs at up to 240Hz with a 1ms (GtG) response time, and you get the full 240Hz over either HDMI 2.1 or DisplayPort 1.4. Tearing and stutter are handled on both GPU brands. NVIDIA has validated the panel as G-SYNC Compatible, and it also supports AMD FreeSync Premium. On color, LG rates the IPS panel at up to 95% (Typ.) of the DCI-P3 gamut, and it carries VESA DisplayHDR 400 certification for a first step into HDR content. The on-screen menu has…

SpecPicks Verdict

SpecPicks scored LG 27GR83Q-B 27-inch Ultragear QHD (2560x1440) IPS Gaming Monitor… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. Compare with similarly-priced alternatives in the gaming monitors category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Can the LG 27GR83Q-B run 240Hz over HDMI, or only DisplayPort?

Both. LG states the monitor reaches its 240Hz refresh rate at 2560x1440 over either HDMI 2.1 or DisplayPort 1.4.

Does this monitor work with G-Sync on an NVIDIA graphics card?

Yes. NVIDIA has officially validated the 27GR83Q-B as G-SYNC Compatible, and it also supports AMD FreeSync Premium on Radeon cards.

Can I rotate the LG 27GR83Q-B to portrait mode?

Yes. The included stand supports tilt, height adjustment and pivot, so you can rotate the panel vertically for coding, reading or chat windows.

Can I plug a headset with a microphone into the monitor?

Yes. The 4-pole headphone jack carries stereo audio and a mono microphone signal on a shared ground, and DTS Headphone:X adds spatial audio.

Is the color good enough for photo or video editing?

The IPS panel covers up to 95% (Typ.) of the DCI-P3 gamut with DisplayHDR 400. That suits hobby editing, but check the listing for factory calibration details if you need color-critical accuracy.

Key Features

  • QHD at 240Hz by DisplayPort or HDMI - Enjoy smoother, vivid colors and high-resolution graphics thanks to HDMI 2.1 and DisplayPort 1.4. Both connections are supported on this display and let you experience up to 240Hz refresh rate.
  • IPS 1ms (GtG) - Re-imagine every scene with vivid, responsive IPS. At 27“, LG's UltraGear IPS Display features vibrant color, contrast, clarity and detail, while delivering ultra-fast 1ms (GtG) response rates.
  • NVIDIA G-SYNC Compatible - Officially validated by NVIDIA as G-SYNC Compatible. That translates to faster, smoother gaming that's been tested to reduce screen tearing and stutter. Never miss a frame of the action as you clinch your victories.
  • AMD FreeSync Premium - AMD FreeSync Premium equips serious gamers with a fluid, virtually tear-free gaming experience. With at least 120hz refresh rate at minimum FHD resolution and low latency gameplay, you'll never miss a frame of the action as you play at peak performance.
  • HDR400 with up to DCI-P3 95 percent (Typ.) - This UltraGear display supports up to 95 percent (Typ.) of the DCI-P3 color gamut, expressing high-fidelity color paired with VESA DisplayHDR 400 delivering dynamic contrast, on the QHD display.
  • Enhanced Gaming GUI - Choose from a variety of modes including Gamer, FPS or RTS to optimize display settings for the best view possible.

Full Specifications

BrandLG
ColorBlack
ShapeFlat
Brightness400 cd
Model Name27GR83Q-B.AUS
ResolutionQHD Ultra Wide 1440p
Color Gamut95
Pixel Pitch0.23
Screen Size27 inches
Aspect Ratio16:9
Display TypeLCD
Model Number27GR83Q-B
Refresh Rate240
Adaptive SyncFreeSync Premium, G-Sync Compatible
Mounting TypeWall Mount
Response Time1 milliseconds
Screen FinishMatte
Viewing Angle178 degrees
Warranty Type1 Year Manufacturer Warranty
Contrast Ratio1000:1
Full listing titleLG 27GR83Q-B 27-inch Ultragear QHD (2560x1440) IPS Gaming Monitor, 240Hz, 1ms, DisplayHDR 400, G-Sync AMD FreeSync Premium, HDMI 2.1 DisplayPort, 4-Pole HP Out DTS GP:X, Tilt/Height/Pivot Stand, Black

Ready to buy?

LG 27GR83Q-B 27-inch Ultragear QHD (2560x1440) IPS Gaming Monitor, 240Hz, 1ms, DisplayHDR 400, G-Sync AMD FreeSync Premium, HDMI 2.1 DisplayPort, 4-Pole HP Out DTS GP:X, Tilt/Height/Pivot Stand, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $309.82

*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.

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