Product comparison · 2 monitors

Lenovo ThinkVision Pro2840m computer monitor vs Lenovo ThinkVision E2223s

32specifications compared
21differ
11identical
40known for one product only

Key differences

Display diagonal
- ThinkVision Pro2840m computer monitor:71.1 cm (28")
- ThinkVision E2223s:54.6 cm (21.5")
Display resolution
- ThinkVision Pro2840m computer monitor:3840 x 2160 pixels
- ThinkVision E2223s:1920 x 1080 pixels
HD type
- ThinkVision Pro2840m computer monitor:4K Ultra HD
- ThinkVision E2223s:Full HD
Display brightness (typical)
- ThinkVision Pro2840m computer monitor:300 cd/m²
- ThinkVision E2223s:200 cd/m²
Supported graphics resolutions
- ThinkVision Pro2840m computer monitor:3840 x 2160
- ThinkVision E2223s:1920 x 1080 (HD 1080)
Contrast ratio (typical)
- ThinkVision Pro2840m computer monitor:1000:1
- ThinkVision E2223s:600:1
Viewing angle, vertical
- ThinkVision Pro2840m computer monitor:160°
- ThinkVision E2223s:50°
Display number of colours
- ThinkVision Pro2840m computer monitor:1.073 billion colours
- ThinkVision E2223s:16.78 million colours

Side by side

Differences highlightedShow differences only

Comparison of Pro2840m, ThinkVision E2223s
72 specifications	A Lenovo ThinkVision Pro2840m computer monitor Model Pro2840m View product	B Lenovo ThinkVision E2223s View product
Display9 differ
Display diagonalDiffers	71.1 cm (28")	54.6 cm (21.5")
Display resolutionDiffers	3840 x 2160 pixels	1920 x 1080 pixels
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
HD typeDiffers	4K Ultra HD	Full HD
Display brightness (typical)Differs	300 cd/m²	200 cd/m²
Supported graphics resolutionsDiffers	3840 x 2160	1920 x 1080 (HD 1080)
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)Differs	1000:1	600:1
Contrast ratio (dynamic)Known for one	3000000:1	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	170°	Unknown — not stated by the source
Viewing angle, verticalDiffers	160°	50°
Display number of coloursDiffers	1.073 billion colours	16.78 million colours
Pixel pitchDiffers	0.16 x 0.16 mm	0.248 x 0.248 mm
Viewable size, horizontalKnown for one	64.9 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	36.9 cm	Unknown — not stated by the source
Colour gamutKnown for one	72%	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)Differs	Yes	No
Number of speakersKnown for one	2	Unknown — not stated by the source
RMS rated powerKnown for one	6 W	Unknown — not stated by the source
Built-in cameraKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 differ
Built-in USB hubKnown for one	Yes	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
USB upstream port typeKnown for one	USB Type-B	Unknown — not stated by the source
Number of upstream portsKnown for one	2	Unknown — not stated by the source
Number of USB Type-B upstream ports quantityKnown for one	2	Unknown — not stated by the source
USB Type-A downstream ports quantityDiffers	3	0
HDMI ports quantityDiffers	1	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Audio outputKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	Yes
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
Composite video inKnown for one	Unknown — not stated by the source	0
Component video (YPbPr/YCbCr) inKnown for one	Unknown — not stated by the source	0
Component video (YPbPr/YCbCr) outKnown for one	Unknown — not stated by the source	0
S-Video inputs quantityKnown for one	Unknown — not stated by the source	0
Ergonomics3 differ
VESA mountingDiffers	Yes	No
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
SwivellingKnown for one	Yes	Unknown — not stated by the source
Swivel angle rangeKnown for one	-45 - 45°	Unknown — not stated by the source
Tilt angle rangeDiffers	-5 - 25°	-5 - 22°
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	50 W	Unknown — not stated by the source
Power consumption (max)Known for one	100 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.5 W	Unknown — not stated by the source
Power supply typeKnown for one	Unknown — not stated by the source	Internal
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	0 - 45 °C
Weight & dimensions4 differ
Width (without stand)Differs	665.9 mm	514.5 mm
Depth (without stand)Differs	288.8 mm	167.2 mm
Height (without stand)Differs	526.4 mm	379.4 mm
Weight (without stand)Differs	10.2 kg	3.4 kg
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	EPEAT Silver, ENERGY STAR
Other featuresidentical
CertificationKnown for one	Unknown — not stated by the source	Energy Star 6.0 ,China Energy Standard Tier1,EPEAT Silver
Performanceidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Enterprise, Windows 8, Windows Vista Home Premium, Windows 7 Enterprise x64, Windows 8 Enterprise, Windows Vista Home Premium x64, Windows 7 Home Basic, Windows 8 Enterprise x64, Windows Vista Ultimate, Windows 7 Home Basic x64, Windows 8 Pro, Windows Vista Ultimate x64, Windows 7 Home Pre
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
Ethernet LANKnown for one	Unknown — not stated by the source	No
Thin Clientidentical
Thin client installedKnown for one	Unknown — not stated by the source	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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