Display 17 differ Display diagonalDiffers 59.9 cm (23.6") 68.6 cm (27") Display resolutionDiffers 1920 x 1080 pixels 3840 x 2160 pixels Native aspect ratio 16:9 16:9 Display technologyDiffers LCD LED Touchscreen No No HD typeDiffers Full HD Quad HD Panel typeDiffers TFT IPS LED backlightKnown for one — Unknown — not stated by the source Backlight type W-LED W-LED Display brightness (typical)Differs 250 cd/m² 350 cd/m² Response timeDiffers 1 ms 5 ms Display surface Matt Matt Anti-glare screenKnown for one — Unknown — not stated by the source Screen shape Flat Flat Supported graphics resolutionsDiffers 1920 x 1080 (HD 1080) 3840 x 2160 Supported video modesKnown for one — Unknown — not stated by the source 2160p Aspect ratio 16:9 16:9 Contrast ratio (typical) 1000:1 1000:1 Contrast ratio (dynamic)Differs 10000000:1 80000000:1 Dynamic contrast ratio marketing name SmartContrast SmartContrast Maximum refresh rateKnown for one — Unknown — not stated by the source 60 Hz Viewing angle, horizontalDiffers 170° 178° Viewing angle, verticalDiffers 160° 178° Display number of coloursDiffers 16.78 million colours 1.07 billion colours Pixel pitchDiffers 0.272 x 0.272 mm 0.155 x 0.155 mm Pixel densityDiffers 93 ppi 163 ppi Horizontal scan range 30 - 83 kHz 30 - 83 kHz Vertical scan range 56 - 76 Hz 56 - 76 Hz Viewable size, horizontalDiffers 52.1 cm 59.7 cm Viewable size, verticalDiffers 29.3 cm 33.6 cm Digital horizontal frequency 30 - 83 kHz 30 - 83 kHz Digital vertical frequency 56 - 76 Hz 56 - 76 Hz Sync-on-green (SOG) Display diagonal (metric)Known for one — Unknown — not stated by the source 68.5 cm DDC/CI Haze rateKnown for one — Unknown — not stated by the source 25% Surface hardnessKnown for one — Unknown — not stated by the source 3H Colour gamut standardDiffers sRGB sRGB, NTSC sRGB coverage (typical)Known for one — Unknown — not stated by the source 122% NTSC coverage (typical)Known for one — Unknown — not stated by the source 103% 3D No No Separate H/V sync Display sRGBKnown for one — Unknown — not stated by the source Display panel sizeKnown for one — Unknown — not stated by the source 27 inch / 68.5 cm Performance identical NVIDIA G-SYNC No No AMD FreeSync No No Component video sync Separate Sync, Sync-on-green (SOG) Separate Sync, Sync-on-green (SOG) Flicker-free technologyKnown for one — Unknown — not stated by the source Low Blue Light technologyKnown for one — Unknown — not stated by the source Windows operating systems supported 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 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 Mac operating systems supported 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 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 Ports & interfaces 2 differ Built-in USB hubDiffers No USB hub versionKnown for one — Unknown — not stated by the source 3.2 Gen 1 (3.1 Gen 1) USB upstream port typeKnown for one — Unknown — not stated by the source USB Type-B Number of upstream portsKnown for one — Unknown — not stated by the source 1 USB Type-A downstream ports quantityKnown for one — Unknown — not stated by the source 3 VGA (D-Sub) ports quantity 1 1 DVI portDiffers No HDMI ports quantity 1 1 DisplayPorts quantityKnown for one — Unknown — not stated by the source 1.2 DisplayPort out quantityKnown for one — Unknown — not stated by the source 1 DisplayPort versionKnown for one — Unknown — not stated by the source 1.2 Mini DisplayPorts quantityKnown for one — Unknown — not stated by the source 1 Headphone outKnown for one — Unknown — not stated by the source Headphone outputs 1 1 PC Audio in DisplayPort outputKnown for one — Unknown — not stated by the source Mobile High-Definition Link (MHL)Known for one — Unknown — not stated by the source HDCPKnown for one — Unknown — not stated by the source Ergonomics 3 differ VESA mounting Panel mounting interface 100 x 100 mm 100 x 100 mm Cable lock slot Cable lock slot type Kensington Kensington Height adjustmentDiffers No Adjustable height (max)Known for one — Unknown — not stated by the source 15 cm PivotKnown for one — Unknown — not stated by the source Pivot angleKnown for one — Unknown — not stated by the source 0 - 90° SwivellingKnown for one — Unknown — not stated by the source Swivel angle rangeKnown for one — Unknown — not stated by the source -175 - 175° Tilt adjustment Tilt angle rangeDiffers -5 - 20° -5 - 30° Picture-in-PictureKnown for one — Unknown — not stated by the source On Screen Display (OSD) On Screen Display (OSD) languagesDiffers Simplified Chinese, Traditional Chinese, Czech, German, Dutch, English, Spanish, Finnish, French, Greek, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish, Turkish, Ukrainian Portuguese, Czech, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Polish, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian Number of OSD languages 21 21 Plug and Play LED indicators Operation, Stand-by Operation, Stand-by Other features 5 differ Compatible operating systemsKnown for one — Unknown — not stated by the source Mac OS X; Windows 10 / 8.1 / 8 / 7 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 — Unknown — not stated by the source Textured Brightness uniformityKnown for one — Unknown — not stated by the source 97 - 102% Compliance certificatesKnown for one — Unknown — not stated by the source RoHS ECO modeKnown for one — Unknown — not stated by the source Effective viewing areaDiffers 521.28 x 293.22 mm 596.7 x 335.7 mm Energy efficiency class (legacy scale)Known for one — Unknown — not stated by the source G Heavy metals freeDiffers Hg (mercury), Pb (lead) Hg (mercury) 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 — Unknown — not stated by the source Separate Sync; Sync on Green No flickeringKnown for one — Unknown — not stated by the source Power consumption (economy mode)Known for one — Unknown — not stated by the source 28 W Signal inputKnown for one — Unknown — not stated by the source VGA (Analog ); DisplayPort 1.2; mini DisplayPort 1.2 x 1; HDMI (2.0) - MHL (2.0) x 1 Mercury content 0 mg 0 mg Mean time between failures (MTBF)Differs 50000 h 70000 h Power managementKnown for one — Unknown — not stated by the source CertificationDiffers CE Mark, FCC Class B, TCO Certified, cETLus, TUV/ISO9241-307, BSMI, PSB, RCM, UKRAINIAN, EPA, KC, KCC, CECP, WEEE CB, EPA, cETLus, FCC Class B, ICES-003, CE Mark, TUV/GS, TUV Ergo, SEMKO, CU-EAC, WEEE, UKRAINIAN Delta EKnown for one — Unknown — not stated by the source 2 MultiViewKnown for one — Unknown — not stated by the source PIP/PBP mode; 2x devices Picture enhancementKnown for one — Unknown — not stated by the source SmartImage Regulatory ApprovalsKnown for one — Unknown — not stated by the source CB; EPA; cETLus; FCC Class B; ICES-003; CE Mark; TUV/GS; TUV Ergo; SEMKO; CU-EAC; WEEE; UKRAINIAN User controlsKnown for one — Unknown — not stated by the source SmartImage; Input; PowerSensor; Menu; Power On/Off Supplied AC adapter typeDiffers AC LCD, 3840 x 2160 @ 60 Hz ColourKnown for one No — Unknown — not stated by the source 
