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Dell UltraSharp U2412M vs Dell UltraSharp U2415

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

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DellUltraSharp U2412MDellUltraSharp U2415
Overview
ReleasedJuly 20112014
Display
Screen size24″24.1″
Resolution1920 × 1200 (WUXGA)1920 × 1200 (WUXGA)
Sharpness94 pixels per inch94 pixels per inch
PanelIPSIPS
Refresh rate60 Hz60 Hz
Response time (grey to grey)8 ms6 ms
Brightness (typical)300 nits300 nits
Contrast ratio1,000:11,000:1
Colour range82% CIE 1976 / 72% CIE 193199% sRGB
Colour accuracy (Delta E)–Below 3
Screen finishMatteMatte
ShapeFlatFlat
Colour depth16.7 million colours, according to Dell.16.78 million colours, according to Dell.
sRGB coverage–99%.
Colour accuracy–Factory calibrated to average Delta E < 3, according to Dell.
Response time detail8 ms grey-to-grey, according to Dell.6 ms grey-to-grey in Fast mode, 8 ms in Normal mode and 19 ms black-to-white, according to Dell. TFTCentral preferred Normal because Fast caused overshoot.
Viewing angles178° horizontal and vertical.178° horizontal and vertical.
Pixel pitch0.27 mm.0.27 mm.
Eye care–TFTCentral and LaptopMedia found no pulse-width modulation at any brightness level.
Connections
Video inputsDisplayPort 1.1a2 × HDMI 1.4, 2 × DisplayPort 1.2
USB-C chargingNoneNone
USB ports4 × USB-A5 × USB-A
SpeakersNoNo
HDMI detail–Two HDMI 1.4 inputs with MHL 2.0 support.
DisplayPort detailOne DisplayPort 1.1a input, one DVI-D input with HDCP and one VGA input; no HDMI.One full-size DisplayPort 1.2 input, one Mini DisplayPort 1.2 input and one separate full-size DisplayPort 1.2 MST output. No DVI or VGA inputs.
Daisy chaining–DisplayPort 1.2 MST output.
USB hub detailFour downstream USB 2.0 Type-A ports and one upstream port.Five downstream USB 3.0 Type-A ports and one upstream Type-B port; one downstream port supports BC 1.2 charging.
Audio out–Audio line out for external speakers; Dell explicitly says it does not support headphones.
Speaker detailNo integrated speakers; a DC output powers an optional Dell Soundbar.No integrated speakers; Dell AC511 USB Soundbar available separately.
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand6.24 kg6.69 kg
Height adjustment115 mm.115 mm.
Pivot–90° clockwise or counterclockwise.
VESA pattern100 × 100 mm.100 × 100 mm.
Size with stand556 × 180.3 × 398.5–513.5 mm (width × depth × height).532.2 × 205 × 402.9–517.9 mm (width × depth × height).
Size without stand556 × 64.9 × 361.6 mm (width × depth × height).532.2 × 45.7 × 350.6 mm (width × depth × height).
Weight without stand3.97 kg without stand or cables; Dell lists 6.24 kg with stand and cables.4.25 kg without stand or cables; main 6.69 kg includes stand and cables, as specified by Dell.
ControlsPhysical front buttons and on-screen display.Touch-sensitive front buttons and on-screen display.
Power and support
Power use29 W typical; 72 W maximum with maximum luminance, USB and Soundbar active; less than 0.5 W in standby and off modes.22 W typical and 73 W maximum in the later Dell manual; the original brochure lists 23 W typical. Less than 0.5 W in standby and off modes.
Power supply100–240 V AC, 50/60 Hz.100–240 V AC, 50/60 Hz.
SoftwareDell PowerNap.Dell Display Manager.
In the boxStand, power cable, VGA cable, DVI cable, USB upstream cable and documentation.Stand, cable cover, power cable, Mini DisplayPort-to-DisplayPort cable, USB 3.0 upstream cable, factory calibration report and documentation.

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