Product comparison · 2 monitors

Lenovo ThinkVision 28 computer monitor vs Lenovo Flat Panel Essential LI1931e computer monitor

33specifications compared
20differ
13identical
39known for one product only

Key differences

Display diagonal
- ThinkVision 28 computer monitor:71.1 cm (28")
- Flat Panel Essential LI1931e computer monitor:47 cm (18.5")
Display resolution
- ThinkVision 28 computer monitor:3840 x 2160 pixels
- Flat Panel Essential LI1931e computer monitor:1366 x 768 pixels
Display brightness (typical)
- ThinkVision 28 computer monitor:270 cd/m²
- Flat Panel Essential LI1931e computer monitor:250 cd/m²
Supported graphics resolutions
- ThinkVision 28 computer monitor:3840 x 2160
- Flat Panel Essential LI1931e computer monitor:1366 x 768
Contrast ratio (typical)
- ThinkVision 28 computer monitor:1000:1
- Flat Panel Essential LI1931e computer monitor:600:1
Viewing angle, vertical
- ThinkVision 28 computer monitor:160°
- Flat Panel Essential LI1931e computer monitor:50°
Display number of colours
- ThinkVision 28 computer monitor:1.073 billion colours
- Flat Panel Essential LI1931e computer monitor:16.78 million colours
Built-in speaker(s)
- ThinkVision 28 computer monitor:Yes
- Flat Panel Essential LI1931e computer monitor:No

Side by side

Differences highlightedShow differences only

Comparison of 28, LI1931e
72 specifications	A Lenovo ThinkVision 28 computer monitor Model 28 View product	B Lenovo Flat Panel Essential LI1931e computer monitor Model LI1931e View product
Display7 differ
Display diagonalDiffers	71.1 cm (28")	47 cm (18.5")
Display resolutionDiffers	3840 x 2160 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
Display technologyKnown for one	LED	Unknown — not stated by the source
Touchscreen	No	No
HD typeKnown for one	4K Ultra HD	Unknown — not stated by the source
Panel typeKnown for one	TN	Unknown — not stated by the source
Display brightness (typical)Differs	270 cd/m²	250 cd/m²
Response time	5 ms	5 ms
Supported graphics resolutionsDiffers	3840 x 2160	1366 x 768
Aspect ratio	16:9	16:9
Contrast ratio (typical)Differs	1000:1	600:1
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 pitchKnown for one	0.16 x 0.16 mm	Unknown — not stated by the source
Viewable size, horizontalKnown for one	62.1 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	34.1 cm	Unknown — not stated by the source
3DKnown for one	Unknown — not stated by the source	No
Multimedia2 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	10 W	Unknown — not stated by the source
Built-in cameraDiffers	Yes	No
Megapixel (approx.)Known for one	2.1 MP	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Market positioning	Business	Business
Product colourDiffers	Black, Silver	Black
Feet colourKnown for one	Black, Silver	Unknown — not stated by the source
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 Type-A downstream ports quantityDiffers	2	0
DVI port	No	No
HDMI ports quantityDiffers	3	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
HDCPKnown for one	Unknown — not stated by the source	No
Networkidentical
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ergonomics1 differ
Cable lock slot	No	No
Height adjustmentKnown for one	Yes	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 adjustment	Yes	Yes
Tilt angle rangeDiffers	5 - 25°	-5 - 20°
On Screen Display (OSD)	Yes	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
VESA mountingKnown for one	Unknown — not stated by the source	Yes
Panel mounting interfaceKnown for one	Unknown — not stated by the source	100 x 100 mm
Number of OSD languagesKnown for one	Unknown — not stated by the source	8
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	8 - 80%	8 - 80%
Weight & dimensions4 differ
Width (without stand)Differs	681.9 mm	440 mm
Depth (without stand)Differs	259.5 mm	170 mm
Height (without stand)Differs	502.8 mm	340 mm
Weight (without stand)Differs	11 kg	2.45 kg
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Gold, ENERGY STAR	ENERGY STAR
Other features1 differ
TV tuner integrated	No	No
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
CertificationDiffers	(TUV)us (USA/Canada),SASO (Saudia Arabia),TCO Display 6.0,VCCI(Japan),BSMI (Taiwan),EPA AIO 6.0/5.2 for AIO (USA),VOC (USA/Canada),Hygienic (Russia),SABS (South Africa),Energy Star 6.0,EPEAT Gold,GOST,EPEAT (USA),ICES-003 (Canada),CCC (China)	China Energy Label Tier 1, EU RoHS, China RoHS, Turkey RoHS
Supplied AC adapter type	LED	LED
Thin Client1 differ
Thin client installedDiffers	Yes	No
Internal memoryKnown for one	2048 MB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR3L	Unknown — not stated by the source
Graphics cardKnown for one	Tegra K1	Unknown — not stated by the source
Poweridentical
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC

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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