LG UltraGear 27GX790B-B 27" Black

★★★★★ 5.0 (1)

The 27-inch QHD OLED panel pushes a 540Hz refresh rate with a 0.02ms response time, eliminating motion blur for ultra-smooth competitive play. Its Dual Mode instantly switches to 720Hz at 1080p, and Primary RGB Tandem tech boosts brightness to 335 nits for vivid HDR while DisplayPort 2.1 supports the extreme bandwidth. This monitor is best for esports competitors who toggle between sharp 1440p detail and 720Hz speed for split-second reactions.

Screen 27
Resolution 2560x1440
Panel OLED
Refresh 540 Hz
adaptive sync FreeSync Premium Pro
HDR DisplayHDR True Black 500, HDR10
LG UltraGear 27GX790B-B 27" Black monitor
72 Score global
Aussi disponible dans:

Snapshot

Avantages et inconvénients

Pros

  • Strong color (91th percentile) 91th
  • Strong ergonomic (90th percentile) 90th
  • Strong feature (86th percentile) 86th
  • Strong connectivity (82th percentile) 82th

Cons

  • Below average user sentiment (4th percentile)

What owners think

L'évolution de l'avis des propriétaires dans le temps

Exclusivité

D'après la date à laquelle les clients ont rédigé leurs avis - pour voir si l'enthousiasme initial s'est confirmé.

50/100Notre analyse IA du ressenticonfiance faible · 8 sources · mai 2026
2Q2 '26
Satisfaits (4-5★)Insatisfaits (1-2★)Hauteur des barres = nombre d'avisDate estimée

D'après 2 avis clients datés, regroupés par trimestre civil. L'analyse par période est en anglais.

The proof

Performances

Percentiles de performance

Color 91.1
Portability 63.9
Display 76.4
Feature 85.9
User Sentiment 3.7
Ergonomic 90.3
Performance 69.6
Connectivity 81.9
Social Proof 54.5

Caractéristiques techniques

Fiche technique complète

Display

Size 27"
Resolution 2560 (QHD)
Panel Type OLED
Aspect Ratio 16:9
Curved No

Performance

Refresh Rate 540 Hz
Adaptive Sync FreeSync Premium Pro

Color & HDR

Brightness 335 nits
Color Gamut 99.5% DCI-P3
Color Depth 10-bit
HDR DisplayHDR True Black 500, HDR10
HDR Support HDR10

Connectivity

HDMI Ports 2
DisplayPort 1
USB-C 1
Speakers No
Headphone Jack Yes

Ergonomics

Height Adjustable Yes
Tilt Yes
Swivel Yes
Pivot Yes
VESA Mount 100x100

Features

Webcam No
Touchscreen No
PIP/PBP Yes
Weight 6.8 kg / 15.0 lbs

Face à la concurrence

Spec LG UltraGear 27GX790B-B 27" ASUS ROG Strix XG27AQDMG Samsung Odyssey Neo G9 LS57CG952NNXZA Dell UltraSharp U4025QW MSI MPG 272URX QD-OLED Alienware AW-Series AW3425DW
Screen Size 27 26.5 57 39.70000076293945 27 34
Resolution 2560x1440 2560 x 1440 7680 x 2160 5120 x 2160 3840x2160 3440x1440
Panel Type OLED OLED VA IPS OLED QD-OLED
Refresh Rate 540 240 240 120 240 240
Response Time Ms - 0.029999999329447746 1 5 0.029999999329447746 0.029999999329447746
Adaptive Sync FreeSync Premium Pro FreeSync Premium Pro FreeSync Premium Pro Adaptive-Sync G-Sync Compatible FreeSync Premium Pro
Hdr DisplayHDR True Black 500, HDR10 HDR10 HDR10+ DisplayHDR 600 DisplayHDR True Black 400 DisplayHDR 400 True Black
Compare Compare Compare Compare Compare
Product ColorCompactDisplayFeatureUser SentimentErgonomicPerformanceConnectivitySocial Proof
LG UltraGear 27GX790B-B 27" 91.163.976.485.93.790.369.681.954.5
ASUS ROG Strix XG27AQDMG Compare 96.57475.571.995.990.397.993.185.9
Samsung Odyssey Neo G9 LS57CG952NNXZA Compare 99.43299.797.307287.393.195.4
Dell UltraSharp U4025QW Compare 97.682.498.397.375.77255.999.398.3
MSI MPG 272URX QD-OLED Compare 95.863.997.385.975.790.397.981.975.4
Alienware AW-Series AW3425DW Compare 98.38085.391.6090.397.995.395.4

Price

Rapport qualité-prix

À partir de 999 $CA 2 offres chez 2 marchands
Amazon.ca 1 offres À partir de 999 $CA
Newegg.ca 1 offres À partir de 1 334 $CA

Price History

900 $CA 1 000 $CA 1 100 $CA 1 200 $CA 1 300 $CA 1 400 $CA 8 mai27 mai2 juin 1 334 $CA

Scores par usage

Overall (72.1)Gaming (70.8)Office (76.7)Creative (75.6)Portable (12.5)Professional (78)Entertainment (64.9)

Un test complet arrive bientôt. Les caractéristiques, scores, prix et graphiques ci-dessus sont toujours à jour.

Autres configurations1

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