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LG UltraGear OLED 27GX790B

Device A

UltraGear OLED 27GX790B

LG · Monitors

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Samsung Odyssey OLED G6 (G60SF)

Device B

Odyssey OLED G6 (G60SF)

Samsung · Monitors

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Complete comparison

Full specifications

Every available group and stored value, aligned by field.

LAUNCH DATE3 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Announced2025, December (launched first in China); shown for North America at CES 20262025, May 11 (global launch press release)
Released2026-01-06 (US pre-orders open at LG.com)2025-05-11 (first markets: Singapore, Thailand, Vietnam, Malaysia); US availability 2025-08-12
StatusAvailableAvailable
ADDITIONAL INFORMATION6 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
ColorsBlackSilver
CompatibilityTom's Guide (tested with an RTX 5090) notes very few games reach frame rates high enough to use the 540Hz / 720Hz modes—
Environmental—Contains recycled plastic
Launch Price (USD)$999.99 (US launch MSRP)$999.99 (US launch price, August 2025)
Models27GX790B-BLS27FG602SNXZA (US), LS27FG600SNXZA (Canada), LS27FG602SUXXU (UK), LS27FG602SEXXS (Singapore)
Price in Nigeria₦1,400,000 (estimate, converted from US launch price)₦1,400,000 (estimate, converted from US launch price)
TESTS3 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Brightness Measured249 nits SDR, 561 nits HDR (Tom's Guide)322 nits max SDR (Tom's Hardware)
Color AccuracyDelta E 0.33 (Tom's Guide)Grayscale 1.52 dE out of box; sRGB mode 1.35 dE; sRGB volume 98.25% (Tom's Hardware)
Input Lag—16 ms total lag (Tom's Hardware)
DESIGN AND BUILD7 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Curvature—Flat
Dimensions (with stand)605.2 x 527.6 x 220 mm (raised) / 605.2 x 397.6 x 220 mm (lowered)611.7 x 554.2 x 263.5 mm
Panel TypeWOLED (4th Gen Primary RGB Tandem OLED)QD-OLED
Screen Size26.5 inches (67.3 cm), 27-inch class27 inches
Stand AdjustmentsTilt / Height / Swivel / Pivot (110 mm height adjustment)Height 120 mm, tilt -2° to 25°, swivel -30° to 30°, pivot -92° to 92°
VESA Mount100 x 100 mm100 x 100 mm
Weight (with stand)6.8 kg6.9 kg
DISPLAY AND RESOLUTION12 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Aspect Ratio16:916:9
Brightness335 cd/m² typical (300 cd/m² min); HDR peak 1,500 cd/m² (1.5% APL), 800 cd/m² (10% APL)300 cd/m² typical (SDR); 1,000 nits peak (HDR, 3% APL)
Color Depth1.07 billion colours (10-bit)10-bit (1.07 billion colours)
Color GamutDCI-P3 99.5% typical (CIE1976); 94% min99% DCI-P3 (CIE1976); Pantone Validated
Contrast Ratio1,500,000:1 typical (1,200,000:1 min)1,000,000:1
HDR SupportVESA DisplayHDR True Black 500, HDR10, HDR EffectVESA DisplayHDR True Black 500, HDR10+ Gaming
Pixel Density110 PPI (pixel pitch 0.2292 x 0.2292 mm)110 PPI
Refresh Rate540Hz at QHD; 720Hz at HD (Dual Mode)500 Hz
Resolution2560 x 1440 (QHD); HD in 720Hz Dual Mode2560 x 1440 (QHD)
Response Time0.02ms (GtG)0.03 ms (GtG)
Screen CoatingMatte anti-glareMatte anti-glare (Samsung Glare Free; 54% less glossy than conventional anti-reflection film)
Viewing Angles178° (R/L), 178° (U/D)178°/178°
GAMING FEATURES3 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Adaptive SyncNVIDIA G-SYNC Compatible, AMD FreeSync Premium Pro, VRR (48–540Hz range with LFC)NVIDIA G-Sync Compatible, AMD FreeSync Premium Pro
Gaming AidsBlack Stabilizer, Crosshair, FPS CounterBlack Equalizer, Virtual AIM Point, CoreSync, CoreLighting+
Low Input Lag ModeDynamic Action Sync (DAS)—
CONNECTIVITY5 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Audio Out4-pole headphone jack3.5 mm headphone jack
DisplayPort1x DisplayPort 2.1 with DSC (UHBR13.5)1x DisplayPort 1.4 (HDCP 2.2)
HDMI2x HDMI 2.12x HDMI 2.1 (HDCP 2.2)
USB Hub2x USB 3.0 downstream (Type-A)1x USB-B upstream, 2x USB-A 3.2 Gen 1 downstream
USB-C1x USB-C (DisplayPort Alt Mode, data)—
POWER3 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Power ConsumptionSleep <0.5W; Off <0.3W41.4 W on-mode SDR, 48.0 W HDR, 0.5 W standby; 140 W max
Power SupplyExternal power adapterExternal adapter
Voltage100–240V AC, 50/60HzAC 100-240 V
EXTRAS AND FEATURES3 fields
SpecificationUltraGear OLED 27GX790BOdyssey OLED G6 (G60SF)
Eye CareFlicker-free, Discomfort Glare Free, Eyesafe 3.0; UL-verified anti-glare, flicker-free, low/reduced blue light and reduced circadian stimulationFlicker Free, Eye Saver Mode
Other FeaturesUnity Hexagon RGB lighting; VESA ClearMR 21000; UL 'Perfect Black' and 'Perfect Color' certifications; HW calibration ready; Reader Mode; PiP/PbP; HDMI 2.1 and DisplayPort 2.1 cables in the boxSamsung OLED Safeguard+ (Dynamic Cooling System / pulsating heat pipe, Thermal Modulation System, Logo & Taskbar Detection, Screen Saver); Auto Source Switch+; PIP/PBP; burn-in covered under warranty at normal use; 3-year warranty (US)
Speakers—None

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