Display 17 differ Display diagonalDiffers 54.6 cm (21.5") 80 cm (31.5") Display resolutionDiffers 1920 x 1080 pixels 2560 x 1440 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 200 cd/m² 450 cd/m² Response timeDiffers 5 ms 4 ms Anti-glare screenKnown for one — Unknown — not stated by the source Screen shape Flat Flat Supported graphics resolutionsDiffers 1920 x 1080 (HD 1080) 2560 x 1440 Aspect ratio 16:9 16:9 Contrast ratio (typical)Differs 600:1 1200:1 Contrast ratio (dynamic)Differs 10000000:1 50000000:1 Dynamic contrast ratio marketing name SmartContrast SmartContrast Maximum refresh rateKnown for one — Unknown — not stated by the source 60 Hz Viewing angle, horizontalDiffers 90° 178° Viewing angle, verticalDiffers 65° 178° Display number of coloursDiffers 16.78 million colours 1.07 billion colours Pixel pitchDiffers 0.248 x 0.248 mm 0.2727 x 0.2727 mm Pixel densityKnown for one — Unknown — not stated by the source 93 ppi Horizontal scan rangeKnown for one — Unknown — not stated by the source 30 - 83 kHz Vertical scan rangeKnown for one — Unknown — not stated by the source 56 - 76 Hz Viewable size, horizontalDiffers 47.7 cm 69.8 cm Viewable size, verticalDiffers 26.8 cm 39.3 cm Display diagonal (metric)Known for one — Unknown — not stated by the source 80.1 cm High Dynamic Range (HDR) supportedKnown for one — Unknown — not stated by the source High Dynamic Range (HDR) technologyKnown for one — Unknown — not stated by the source DisplayHDR 400 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, Adobe RGB Adobe RGB coverageKnown for one — Unknown — not stated by the source 99% 3D No No Display sRGBKnown for one — Unknown — not stated by the source Display panel sizeKnown for one — Unknown — not stated by the source 31.5 inch / 80.1 cm Digital horizontal frequencyKnown for one 30 - 83 kHz — Unknown — not stated by the source Digital vertical frequencyKnown for one 56 - 75 Hz — Unknown — not stated by the source Sync-on-green (SOG)Known for one — Unknown — not stated by the source Separate H/V syncKnown for one — Unknown — not stated by the source Performance 2 differ NVIDIA G-SYNC No No AMD FreeSync No No Component video syncKnown for one — Unknown — not stated by the source 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 supportedDiffers Windows 10, Windows 7, Windows 8, Windows 8.1 Mac operating systems supportedDiffers 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 3 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-C 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 2 USB Type-C DisplayPort Alternate ModeKnown for one — Unknown — not stated by the source USB Power Delivery (USB PD)Known for one — Unknown — not stated by the source USB Power Delivery up toKnown for one — Unknown — not stated by the source 60 W VGA (D-Sub) ports quantity 1 1 DVI portDiffers No HDMI ports quantityDiffers 0 1 DisplayPorts quantityKnown for one — Unknown — not stated by the source 1 Headphone outKnown for one — Unknown — not stated by the source PC Audio inKnown for one — Unknown — not stated by the source DVI-D ports quantityKnown for one 1 — Unknown — not stated by the source HDCPKnown for one — Unknown — not stated by the source Ergonomics 2 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 18 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 -170 - 170° Tilt adjustment Tilt angle range -5 - 20° -5 - 20° 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, Korean, Polish, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian Plug and Play LED indicators Operation, Stand-by Operation, Stand-by Other features 4 differ Compatible operating systemsKnown for one — Unknown — not stated by the source Mac OS X; Windows 10 / 8.1 / 8 / 7 On/off switch USB Power Delivery revisionKnown for one — Unknown — not stated by the source 2.0 RotatingKnown for one — Unknown — not stated by the source TV tuner integrated No No Exterior finish typeKnown for one — Unknown — not stated by the source Textured Compliance certificatesKnown for one — Unknown — not stated by the source RoHS EasyRead modeKnown for one — Unknown — not stated by the source Energy efficiency class (legacy scale)Known for one — Unknown — not stated by the source G Heavy metals freeDiffers Hg (mercury), Pb (lead) Hg (mercury) 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 Philips SmartUniformityKnown for one — Unknown — not stated by the source 96 - 103% User guideKnown for one — Unknown — not stated by the source Mercury contentKnown for one — Unknown — not stated by the source 0 mg Mean time between failures (MTBF)Differs 30000 h 70000 h Ethernet LAN data ratesKnown for one — Unknown — not stated by the source 10,100,1000 Mbit/s Ethernet LAN (RJ-45) portsKnown for one — Unknown — not stated by the source 1 CertificationDiffers RoHS, BSMI, CE Mark, FCC Class B, GOST, PSB, SASO, SEMKO, TUV/ISO9241-307, cETLus, WEEE CE Mark, FCC Class B, VCCI, RCM, BSMI, ICES-003, J-MOSS, cETLus, EPA, PSB, CU-EAC, SEMKO, SASO, KUCAS, UKRAINIAN, PSE, CECP, WEEE, TUV Ergo, TUV/GS, CB Delta EKnown for one — Unknown — not stated by the source 2 Picture enhancementKnown for one — Unknown — not stated by the source SmartImage Regulatory ApprovalsKnown for one — Unknown — not stated by the source CE Mark; FCC Class B; VCCI; RCM; BSMI; ICES-003; J-MOSS; cETLus; EPA; PSB; CU-EAC; SASO; KUCAS; UKRAINIAN; PSE; CECP; WEEE; TUV Ergo; TUV/GS; CB User controlsKnown for one — Unknown — not stated by the source SmartImage; Input; Brightness; Menu; Power On/Off Supplied AC adapter typeDiffers LED LCD, 2560 x 1440 @ 60Hz Effective viewing areaKnown for one 476.64 x 268.11 mm — Unknown — not stated by the source 
