Product comparison · 2 monitors

Dell UltraSharp U2515H computer monitor vs Lenovo LI2721sw computer monitor

30specifications compared
16differ
14identical
33known for one product only

Key differences

Display diagonal
- UltraSharp U2515H computer monitor:63.5 cm (25")
- LI2721sw computer monitor:68.6 cm (27")
Display resolution
- UltraSharp U2515H computer monitor:2560 x 1440 pixels
- LI2721sw computer monitor:1920 x 1080 pixels
HD type
- UltraSharp U2515H computer monitor:Quad HD
- LI2721sw computer monitor:Full HD
Response time
- UltraSharp U2515H computer monitor:8 ms
- LI2721sw computer monitor:7 ms
Supported graphics resolutions
- UltraSharp U2515H computer monitor:2560 x 1440
- LI2721sw computer monitor:1920 x 1080 (HD 1080)
Supported video modes
- UltraSharp U2515H computer monitor:1440p
- LI2721sw computer monitor:1080p
Product colour
- UltraSharp U2515H computer monitor:Black, Silver
- LI2721sw computer monitor:Black
USB Type-A downstream ports quantity
- UltraSharp U2515H computer monitor:5
- LI2721sw computer monitor:0

Side by side

Differences highlightedShow differences only

Comparison of U2515H, LI2721sw
63 specifications	A Dell UltraSharp U2515H computer monitor Model U2515H View product	B Lenovo LI2721sw computer monitor Model LI2721sw View product
Display6 differ
Display diagonalDiffers	63.5 cm (25")	68.6 cm (27")
Display resolutionDiffers	2560 x 1440 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Display technologyKnown for one	Unknown — not stated by the source	LED
Touchscreen	No	No
HD typeDiffers	Quad HD	Full HD
Panel typeKnown for one	Unknown — not stated by the source	IPS
Backlight typeKnown for one	Unknown — not stated by the source	W-LED
Display brightness (typical)Known for one	Unknown — not stated by the source	250 cd/m²
Response timeDiffers	8 ms	7 ms
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Supported graphics resolutionsDiffers	2560 x 1440	1920 x 1080 (HD 1080)
Supported video modesDiffers	1440p	1080p
Aspect ratio	16:9	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Contrast ratio (dynamic)Known for one	Unknown — not stated by the source	10000000:1
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Viewable size diagonalKnown for one	Unknown — not stated by the source	68.6 cm
3DKnown for one	Unknown — not stated by the source	No
Response time measurement typeKnown for one	GTG (Gray to Gray)	Unknown — not stated by the source
Dynamic contrast ratio marketing nameKnown for one	Ultra Contrast	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	No
Built-in cameraKnown for one	Unknown — not stated by the source	No
Design1 differ
Market positioning	Business	Business
Product colourDiffers	Black, Silver	Black
Ports & interfaces4 differ
USB Type-A downstream ports quantityDiffers	5	0
VGA (D-Sub) ports quantityDiffers	0	1
DVI portDiffers	No	Yes
HDMI ports quantityDiffers	2	1
AC (power) inKnown for one	Unknown — not stated by the source	Yes
USB hub versionKnown for one	3.2 Gen 1 (3.1 Gen 1)	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
Ergonomics1 differ
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Height adjustmentKnown for one	Unknown — not stated by the source	No
Tilt adjustmentKnown for one	Unknown — not stated by the source	Yes
Tilt angle rangeKnown for one	Unknown — not stated by the source	-5 - 20°
PivotKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power consumption (typical)	35 W	35 W
Power consumption (standby)	0.5 W	0.5 W
Power consumption (max)Differs	87 W	42 W
Power consumption (off)Known for one	0.5 W	Unknown — not stated by the source
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Input currentKnown for one	1.5 A	Unknown — not stated by the source
Weight & dimensions1 differ
Width (without stand)Known for one	Unknown — not stated by the source	625.6 mm
Depth (without stand)Known for one	Unknown — not stated by the source	189.8 mm
Height (without stand)Known for one	Unknown — not stated by the source	445.4 mm
Weight (without stand)Differs	4.4 kg	5.8 kg
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC, VGA
Manual	Yes	Yes
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Other features1 differ
On/off switch	Yes	Yes
TV tuner integrated	No	No
CertificationKnown for one	Unknown — not stated by the source	VESA DDC2B/CI, EDID 1.3, VESA DPMS-compliant ENERGY STAR 3, qualified ISO 9241-307 FCC Class B TCO (TCO Displays 5.2), WEEE (EU Directive 2002/96/EC), RoHS (EU Directive 2002/95/EC)
Supplied AC adapter typeDiffers	AC	LED
Thin Clientidentical
Thin client installed	No	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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