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ASUS ProArt Display PA278CGRV vs LG UltraGear 27GL850-B

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

ASUSProArt Display PA278CGRVLGUltraGear 27GL850-B
Overview
ReleasedDecember 2025July 2019
Display
Screen size27″27″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness109 pixels per inch109 pixels per inch
PanelIPSIPS (Nano IPS)
Refresh rate144 Hz144 Hz
Response time (grey to grey)5 ms1 ms
Brightness (typical)350 nits350 nits
HDR peak brightness400 nits–
HDR certificationDisplayHDR 400–
HDR formatsHDR10HDR10
Contrast ratio1,500:11,000:1
Colour range97% DCI-P3, 100% sRGB98% DCI-P3 (CIE 1976)
DCI-P3 coverage97%98%
Screen finishMatte–
ShapeFlatFlat
Adaptive syncFreeSync, VESA AdaptiveSyncG-Sync Compatible, FreeSync
Colour depth10-bit (1.07 billion colours)1.07 billion colours; 8-bit plus FRC (TFTCentral)
sRGB coverage100%135% sRGB (LG Korea)
Colour accuracyΔE < 2, factory calibrated, Calman Verified; colour pre-calibration report includedFactory colour calibration
Colour modessRGB, BT.709, Adobe RGB, P3, BT.2020, DICOM, HDR PQ, Native, two user modes; colour temperatures 9300K, 6500K, 5500K, 5000K, DCI-P3, M ModelsRGB and Reader modes; Gamer, FPS and RTS presets (TFTCentral)
HDR detailHDR10; 400 cd/m² peakHDR10 input support; no local dimming (TFTCentral)
Response time detailTrace Free Technology1ms grey to grey in Faster mode; LG warns this setting can cause visible trails and recommends Fast if they occur
Variable refresh range–48–144Hz over DisplayPort; 48–100Hz over HDMI with adaptive sync (TFTCentral)
Viewing angles178° / 178° (CR ≥ 10)178° horizontal and vertical, CR ≥ 10
Pixel pitch0.233 mm0.2331 x 0.2331 mm
Eye careFlicker-free, TÜV Low Blue Light, Light Sync (ambient light sensor adjusts brightness and colour temperature)Flicker Safe and Reader Mode
CalibrationProArt Palette, ProArt Chroma Tune, RGB gain and offset, gamma 1.8–2.6–
Connections
Video inputsHDMI 2.1, DisplayPort 1.4, USB-C2 × HDMI 2.0, DisplayPort 1.4
USB-C chargingUp to 96 WNone
USB ports3 × USB-A, USB-C2 × USB-A
KVM switchYes–
EthernetNo–
SpeakersYesNo
HDMI detail1 x HDMI 2.1 (TMDS)2 x HDMI 2.0; 2560 x 1440 at 144Hz with 8-bit colour in LG's specification; adaptive-sync operation has a lower maximum
DisplayPort detail1 x DisplayPort 1.4 in (DSC), 1 x DisplayPort out for daisy chaining1 x DisplayPort 1.4; 2560 x 1440 at 144Hz with 10-bit colour
USB-C detail1 x USB-C with DisplayPort Alt Mode and 96 W Power Delivery; 1 x USB-C upstream (USB 3.2) for the KVM switch–
Daisy chainingDisplayPort out–
USB hub detail3 x USB-A and 1 x USB-C, USB 3.2 Gen 1USB 3.0; one upstream and two downstream ports
Picture by picturePiP and PbP–
Audio outEarphone jackHeadphone output
Speaker detail2 x 2 W–
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, pivot
VESA mountYesYes
Weight with stand6.6 kg6.1 kg
Height adjustment0–130 mm110 mm
Tilt-5° to 23°–
Swivel-30° to 30°–
Pivot-90° to 90°–
VESA pattern100 x 100 mm100 x 100 mm
Size with stand612.2 x 536.1 x 190.4 mm (W x H x D)614.2 x 274.4 x 464.8–574.8 mm (W x D x H)
Size without stand612.2 x 362.9 x 46.9 mm (W x H x D)614.2 x 56.3 x 364.8 mm (W x D x H)
Weight without stand4.7 kg4.2 kg
Colours–Black with red trim
Power and support
Power useLess than 20 W on, less than 0.5 W power saving, 0 W off (hard switch)51 W on mode; 65 W maximum; ≤ 0.5 W sleep; ≤ 0.3 W off
Power supply100–240 V, 50/60 HzExternal adapter; 100–240V, 50/60Hz
SoftwareDisplayWidget Center (auto rotation), ASUS Power SyncOnScreen Control
CertificationsVESA DisplayHDR 400, Calman Verified, Mac Compliance, AMD FreeSync, TÜV Low Blue Light, TÜV Flicker-free, TCO Certified, EPEAT Gold, ENERGY STAR–
Warranty3 years, zero bright dot–
In the boxQuick release stand, power cord, USB-C cable, HDMI cable, DisplayPort cable, colour pre-calibration reportAdapter, power cable, HDMI cable, DisplayPort cable and USB 3.0 upstream cable

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