Display 13 differ Display diagonalDiffers 58.4 cm (23") 68.6 cm (27") Display resolution 1920 x 1080 pixels 1920 x 1080 pixels Native aspect ratio 16:9 16:9 Display technologyDiffers LCD LED Touchscreen No No HD type Full HD Full HD Panel type IPS IPS LED backlightKnown for one — Unknown — not stated by the source Backlight typeDiffers LED W-LED Display brightness (typical) 250 cd/m² 250 cd/m² Response timeDiffers 8 ms 5 ms Display surfaceKnown for one — Unknown — not stated by the source Gloss Anti-glare screen Screen shape Flat Flat Supported graphics resolutionsDiffers 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 900, 1920 x 1080 (HD 1080) 1920 x 1080 (HD 1080) Aspect ratio 16:9 16:9 Contrast ratio (typical) 1000:1 1000:1 Contrast ratio (dynamic)Known for one — Unknown — not stated by the source 10000000:1 Maximum refresh rateDiffers 60 Hz 75 Hz Viewing angle, horizontal 178° 178° Viewing angle, vertical 178° 178° Display number of colours 16.7 million colours 16.7 million colours Pixel pitchDiffers 0.265 x 0.265 mm 0.311 x 0.311 mm Pixel densityDiffers 96 ppi 82 ppi Horizontal scan rangeDiffers 30 - 83 kHz 38 - 89 kHz Vertical scan rangeDiffers 50 - 76 Hz 50 - 75 Hz Viewable size, horizontalDiffers 50.9 cm 59.8 cm Viewable size, verticalDiffers 28.6 cm 33.6 cm Sync-on-green (SOG)Known for one — Unknown — not stated by the source Display diagonal (metric)Known for one — Unknown — not stated by the source 68.6 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 standardKnown for one — Unknown — not stated by the source sRGB, NTSC Colour gamutDiffers 72% 93% sRGB coverage (typical)Known for one — Unknown — not stated by the source 124% NTSC coverage (typical)Known for one — Unknown — not stated by the source 93% 3D No No 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 — Unknown — not stated by the source 27 inch / 68.6 cm Supported video modesKnown for one 480i, 480p, 576i, 576p, 720p, 1080i, 1080p — Unknown — not stated by the source Response time (fast)Known for one 5 ms — Unknown — not stated by the source Viewable size diagonalKnown for one 58.4 cm — Unknown — not stated by the source Ports & interfaces 3 differ Built-in USB hubDiffers No VGA (D-Sub) ports quantity 1 1 DVI portDiffers No DVI-D ports quantityKnown for one — Unknown — not stated by the source 1 HDMI ports quantityDiffers 1 2 Audio outputKnown for one — Unknown — not stated by the source USB hub versionKnown for one 3.2 Gen 1 (3.1 Gen 1) — Unknown — not stated by the source Number of upstream portsKnown for one 1 — Unknown — not stated by the source USB Type-A downstream ports quantityKnown for one 4 — Unknown — not stated by the source HDMIKnown for one — Unknown — not stated by the source DisplayPorts quantityKnown for one 1 — Unknown — not stated by the source Audio inputKnown for one No — Unknown — not stated by the source Headphone outKnown for one No — 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 Tilt adjustment Tilt angle rangeDiffers -5 - 21° -5 - 20° On Screen Display (OSD) On Screen Display (OSD) languagesKnown for one — Unknown — not stated by the source Portuguese, Czech, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Polish, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian Number of OSD languagesDiffers 8 20 Plug and Play LED indicatorsKnown for one — Unknown — not stated by the source Operation, Stand-by Adjustable height (max)Known for one 13 cm — Unknown — not stated by the source PivotKnown for one — Unknown — not stated by the source Pivot angleKnown for one -90 - 90° — Unknown — not stated by the source SwivellingKnown for one — Unknown — not stated by the source Swivel angle rangeKnown for one -45 - 45° — Unknown — not stated by the source Power 4 differ Power consumption (typical)Differs 14.8 W 15.5 W Power consumption (standby)Differs 0.2 W 0.5 W Power consumption (average)Known for one — Unknown — not stated by the source 15.72 W Power consumption (off)Differs 0.2 W 0.5 W AC input voltage 100 - 240 V 100 - 240 V AC input frequencyDiffers 50 - 60 Hz 50/60 Hz Power supply typeKnown for one — Unknown — not stated by the source External Annual energy consumptionKnown for one — Unknown — not stated by the source 44 kWh Energy efficiency class (SDR)Known for one E — Unknown — not stated by the source Energy consumption (SDR) per 1000 hoursKnown for one 15 kWh — Unknown — not stated by the source Power consumption (max)Known for one 40 W — Unknown — not stated by the source Power consumption (PowerSave)Known for one 15.9 W — Unknown — not stated by the source Input currentKnown for one 1.5 A — Unknown — not stated by the source Energy efficiency scaleKnown for one A to G — Unknown — not stated by the source Other features 1 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 Exterior finish typeKnown for one — Unknown — not stated by the source Gloss Effective viewing areaKnown for one — Unknown — not stated by the source 597.9 x 336.3 mm Energy efficiency class (legacy scale)Known for one — Unknown — not stated by the source A Heavy metals freeKnown for one — Unknown — not stated by the source Hg (mercury), Pb (lead) 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 Signal inputKnown for one — Unknown — not stated by the source VGA (Analog ); DVI-D (digital, HDCP); HDMI (digital, HDCP) Mean time between failures (MTBF)Known for one — Unknown — not stated by the source 50000 h CertificationDiffers TCO, EDID RoHS, CE Mark, FCC Class B, RCM, CU, TUV/ISO9241-307, EPA, WEEE, CCC, CECP, BSMI, PSE, VCCI Picture enhancementKnown for one — Unknown — not stated by the source SmartImage game Regulatory ApprovalsKnown for one — Unknown — not stated by the source CE Mark; FCC Class B; TUV/ISO9241-307; EPA; WEEE; CCC; CECP; BSMI; CB; cETLus; CU-EAC; ICES-003; TUV-BAUART User controlsKnown for one — Unknown — not stated by the source Power On/Off; Menu; Brightness; Input; SmartImage Game Compliance certificatesKnown for one RoHS — Unknown — not stated by the source Dell E-Value CodeKnown for one p2319h — Unknown — not stated by the source 
