Display 12 differ Display diagonalDiffers 68.6 cm (27") 80 cm (31.5") Display resolutionDiffers 3840 x 2160 pixels 2560 x 1440 pixels Native aspect ratio 16:9 16:9 Display technology LED LED Touchscreen No No HD type Quad HD Quad HD Panel typeDiffers IPS VA LED backlightKnown for one — Unknown — not stated by the source Backlight typeKnown for one W-LED — Unknown — not stated by the source Display brightness (typical) 350 cd/m² 350 cd/m² Response timeDiffers 5 ms 1 ms Display surfaceKnown for one Matt — Unknown — not stated by the source Anti-glare screenKnown for one — Unknown — not stated by the source Screen shapeDiffers Flat Curved Supported graphics resolutionsDiffers 3840 x 2160 2560 x 1440 Supported video modesKnown for one 2160p — Unknown — not stated by the source Aspect ratioKnown for one 16:9 — Unknown — not stated by the source Contrast ratio (typical)Differs 1000:1 3000:1 Contrast ratio (dynamic)Known for one 80000000:1 — Unknown — not stated by the source Dynamic contrast ratio marketing nameDiffers SmartContrast Mega Contrast Maximum refresh rateDiffers 60 Hz 144 Hz Viewing angle, horizontal 178° 178° Viewing angle, vertical 178° 178° Display number of coloursDiffers 1.07 billion colours 1.073 billion colours Pixel pitchKnown for one 0.155 x 0.155 mm — Unknown — not stated by the source Pixel densityKnown for one 163 ppi — Unknown — not stated by the source Horizontal scan rangeKnown for one 30 - 83 kHz — Unknown — not stated by the source Vertical scan rangeKnown for one 56 - 76 Hz — Unknown — not stated by the source Viewable size, horizontalKnown for one 59.7 cm — Unknown — not stated by the source Viewable size, verticalKnown for one 33.6 cm — Unknown — not stated by the source Sync-on-green (SOG)Known for one — Unknown — not stated by the source Display diagonal (metric)Known for one 68.5 cm — Unknown — not stated by the source DDC/CIKnown for one — Unknown — not stated by the source Haze rateKnown for one 25% — Unknown — not stated by the source Surface hardnessKnown for one 3H — Unknown — not stated by the source Colour gamut standardDiffers sRGB, NTSC sRGB sRGB coverage (typical)Differs 122% 125% NTSC coverage (typical)Known for one 103% — Unknown — not stated by the source 3DKnown for one No — Unknown — not stated by the source Separate H/V syncKnown for one — Unknown — not stated by the source Display sRGBKnown for one — Unknown — not stated by the source Display panel sizeKnown for one 27 inch / 68.5 cm — Unknown — not stated by the source Display brightness (min)Known for one — Unknown — not stated by the source 300 cd/m² Colour gamutKnown for one — Unknown — not stated by the source 88% Adobe RGB coverageKnown for one — Unknown — not stated by the source 92% Quantum dot color technologyKnown for one — Unknown — not stated by the source Performance 1 differ NVIDIA G-SYNCKnown for one No — Unknown — not stated by the source AMD FreeSyncDiffers No Component video syncKnown for one Separate Sync, Sync-on-green (SOG) — Unknown — not stated by the source Flicker-free technologyKnown for one — Unknown — not stated by the source Windows operating systems supportedKnown for one Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 H — Unknown — not stated by the source Mac operating systems supportedKnown for one Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Ma — Unknown — not stated by the source VESA Adaptive Sync supportKnown for one — Unknown — not stated by the source Game modeKnown for one — Unknown — not stated by the source Ports & interfaces 3 differ Built-in USB hub USB hub versionKnown for one 3.2 Gen 1 (3.1 Gen 1) — Unknown — not stated by the source USB upstream port typeKnown for one USB Type-B — Unknown — not stated by the source Number of upstream ports 1 1 USB Type-A downstream ports quantityKnown for one 3 — Unknown — not stated by the source VGA (D-Sub) ports quantityDiffers 1 0 DVI port No No HDMI ports quantityDiffers 1 2 DisplayPorts quantityDiffers 1.2 1 DisplayPort out quantityKnown for one 1 — Unknown — not stated by the source Mini DisplayPorts quantityKnown for one 1 — Unknown — not stated by the source Headphone outKnown for one — Unknown — not stated by the source Headphone outputs 1 1 PC Audio inKnown for one — Unknown — not stated by the source DisplayPort outputKnown for one — Unknown — not stated by the source Mobile High-Definition Link (MHL)Known for one — Unknown — not stated by the source Audio inputKnown for one — Unknown — not stated by the source Ergonomics 6 differ VESA mounting Panel mounting interfaceKnown for one 100 x 100 mm — Unknown — not stated by the source Cable lock slotDiffers No Cable lock slot typeKnown for one Kensington — Unknown — not stated by the source Height adjustment Adjustable height (max)Differs 15 cm 14.5 cm Pivot Pivot angleDiffers 0 - 90° -2 - 92° Swivelling Swivel angle rangeDiffers -175 - 175° -15 - 15° Tilt adjustment Tilt angle rangeDiffers -5 - 30° -5 - 15° Picture-in-PictureKnown for one — Unknown — not stated by the source On Screen Display (OSD)Known for one — Unknown — not stated by the source On Screen Display (OSD) languagesKnown for one Portuguese, Czech, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Polish, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian — Unknown — not stated by the source Number of OSD languagesKnown for one 21 — Unknown — not stated by the source Plug and Play LED indicatorsDiffers Operation, Stand-by Power Black eQualizer functionKnown for one — Unknown — not stated by the source Custom key functionKnown for one — Unknown — not stated by the source Other features 1 differ Compatible operating systemsKnown for one Mac OS X; Windows 10 / 8.1 / 8 / 7 — Unknown — not stated by the source On/off switch TV tuner integrated No No Picture-by-Picture (PbP)Known for one — Unknown — not stated by the source Exterior finish typeKnown for one Textured — Unknown — not stated by the source Brightness uniformityKnown for one 97 - 102% — Unknown — not stated by the source Compliance certificatesKnown for one RoHS — Unknown — not stated by the source ECO modeKnown for one — Unknown — not stated by the source Energy efficiency class (legacy scale)Known for one B — Unknown — not stated by the source Heavy metals freeKnown for one Hg (mercury), Pb (lead) — Unknown — not stated by the source Light sensorKnown for one — Unknown — not stated by the source LowBlue modeKnown for one — Unknown — not stated by the source Monitor sync input signalKnown for one Separate Sync; Sync on Green — Unknown — not stated by the source No flickering Power consumption (economy mode)Known for one 28 W — Unknown — not stated by the source Signal inputKnown for one VGA (Analog ); DisplayPort 1.2; mini DisplayPort 1.2 x 1; HDMI (2.0) - MHL (2.0) x 1 — Unknown — not stated by the source Mercury contentKnown for one 0 mg — Unknown — not stated by the source Mean time between failures (MTBF)Known for one 70000 h — Unknown — not stated by the source Power managementKnown for one — Unknown — not stated by the source CertificationKnown for one CE Mark, FCC Class B, SEMKO, cETLus, CU-EAC, TCO edge, TUV Ergo, TUV/GS, EPA, WEEE, ICES-003, UKRAINIAN, RoHS — Unknown — not stated by the source Delta EKnown for one 2 — Unknown — not stated by the source MultiViewKnown for one PIP/PBP mode; 2x devices — Unknown — not stated by the source Picture enhancementKnown for one SmartImage — Unknown — not stated by the source Regulatory ApprovalsKnown for one CB; EPA; cETLus; FCC Class B; ICES-003; CE Mark; TUV/GS; TUV Ergo; SEMKO; CU-EAC; WEEE; UKRAINIAN; CCC; CECP; CEL — Unknown — not stated by the source User controlsKnown for one SmartImage; Input; PowerSensor; Menu; Power On/Off — Unknown — not stated by the source Supplied AC adapter typeDiffers LCD LED sRGB coverage (min)Known for one — Unknown — not stated by the source 120% Active display area (W x H)Known for one — Unknown — not stated by the source 392.256 x 697.344 mm Samsung Eye Saver ModeKnown for one — Unknown — not stated by the source 
