Product comparison · 2 monitors

Lenovo ThinkVision E21 computer monitor vs Lenovo L23i-18 computer monitor

21specifications compared
9differ
12identical
49known for one product only

Key differences

Display diagonal
- ThinkVision E21 computer monitor:52.6 cm (20.7")
- L23i-18 computer monitor:58.4 cm (23")
Panel type
- ThinkVision E21 computer monitor:TN
- L23i-18 computer monitor:IPS
Viewing angle, horizontal
- ThinkVision E21 computer monitor:170°
- L23i-18 computer monitor:178°
Cable lock slot
- ThinkVision E21 computer monitor:No
- L23i-18 computer monitor:Yes
Tilt angle range
- ThinkVision E21 computer monitor:-5 - 22°
- L23i-18 computer monitor:-5 - 20°
Power consumption (typical)
- ThinkVision E21 computer monitor:18 W
- L23i-18 computer monitor:19 W
Width (without stand)
- ThinkVision E21 computer monitor:490.5 mm
- L23i-18 computer monitor:522.4 mm
Sustainability certificates
- ThinkVision E21 computer monitor:EPEAT Gold, ENERGY STAR
- L23i-18 computer monitor:ENERGY STAR

Side by side

Differences highlightedShow differences only

Comparison of E21, L23i-18
70 specifications	A Lenovo ThinkVision E21 computer monitor Model E21 View product	B Lenovo L23i-18 computer monitor Model L23i-18 View product
Display4 differ
Display diagonalDiffers	52.6 cm (20.7")	58.4 cm (23")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Display technologyKnown for one	LED	Unknown — not stated by the source
Touchscreen	No	No
HD type	Full HD	Full HD
Panel typeDiffers	TN	IPS
Backlight type	W-LED	W-LED
Display brightness (typical)	250 cd/m²	250 cd/m²
Response timeKnown for one	5 ms	Unknown — not stated by the source
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	640 x 350, 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1366 x 768, 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)	1920 x 1080 (HD 1080)
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)	1000:1	1000:1
Viewing angle, horizontalDiffers	170°	178°
Viewing angle, vertical	178°	178°
Pixel pitchKnown for one	0.2385 x 0.2385 mm	Unknown — not stated by the source
Pixel densityKnown for one	106 ppi	Unknown — not stated by the source
Viewable size, horizontalKnown for one	45.8 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	25.8 cm	Unknown — not stated by the source
Viewable size diagonalKnown for one	52.6 cm	Unknown — not stated by the source
Colour gamutKnown for one	72%	Unknown — not stated by the source
3DKnown for one	No	Unknown — not stated by the source
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Response time (fast)Known for one	Unknown — not stated by the source	14 ms
Performanceidentical
NVIDIA G-SYNCKnown for one	No	Unknown — not stated by the source
AMD FreeSyncKnown for one	No	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Built-in cameraKnown for one	No	Unknown — not stated by the source
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Product colour	Black	Black
Feet colourKnown for one	Black	Unknown — not stated by the source
Ports & interfacesidentical
Built-in USB hubKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDCPKnown for one	Yes	Unknown — not stated by the source
Ergonomics2 differ
VESA mountingKnown for one	Yes	Unknown — not stated by the source
Cable lock slotDiffers	No	Yes
Height adjustmentKnown for one	No	Unknown — not stated by the source
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 22°	-5 - 20°
On Screen Display (OSD)	Yes	Yes
Number of OSD languagesKnown for one	8	Unknown — not stated by the source
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Power1 differ
Power consumption (typical)Differs	18 W	19 W
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
Power consumption (max)Known for one	Unknown — not stated by the source	25 W
Weight & dimensions1 differ
Width (with stand)Known for one	490.5 mm	Unknown — not stated by the source
Depth (with stand)Known for one	204.9 mm	Unknown — not stated by the source
Height (with stand)Known for one	370.9 mm	Unknown — not stated by the source
Weight (with stand)Known for one	2.64 kg	Unknown — not stated by the source
Width (without stand)Differs	490.5 mm	522.4 mm
Depth (without stand)Known for one	Unknown — not stated by the source	184.5 mm
Height (without stand)Known for one	Unknown — not stated by the source	380.6 mm
Weight (without stand)Known for one	Unknown — not stated by the source	2.95 kg
Packaging contentidentical
Cables includedKnown for one	VGA	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Other featuresidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
CertificationKnown for one	TCO Displays 7.0, TCO, WEEE, RoHS, EPEAT Gold	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	LCD	Unknown — not stated by the source
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Thin Clientidentical
Thin client installedKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%

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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