Product comparison · 2 monitors

Lenovo LI2721sw computer monitor vs LG 31UM97 computer monitor

37specifications compared
21differ
16identical
34known for one product only

Key differences

Display diagonal
- LI2721sw computer monitor:68.6 cm (27")
- 31UM97 computer monitor:78.7 cm (31")
Display resolution
- LI2721sw computer monitor:1920 x 1080 pixels
- 31UM97 computer monitor:4096 x 2160 pixels
HD type
- LI2721sw computer monitor:Full HD
- 31UM97 computer monitor:4K Ultra HD
Display brightness (typical)
- LI2721sw computer monitor:250 cd/m²
- 31UM97 computer monitor:320 cd/m²
Response time
- LI2721sw computer monitor:7 ms
- 31UM97 computer monitor:5 ms
Supported graphics resolutions
- LI2721sw computer monitor:1920 x 1080 (HD 1080)
- 31UM97 computer monitor:4096 x 2160
Aspect ratio
- LI2721sw computer monitor:16:9
- 31UM97 computer monitor:17:9
Contrast ratio (dynamic)
- LI2721sw computer monitor:10000000:1
- 31UM97 computer monitor:1000:1

Side by side

Differences highlightedShow differences only

Comparison of LI2721sw, 31UM97
71 specifications	A Lenovo LI2721sw computer monitor Model LI2721sw View product	B LG 31UM97 computer monitor Model 31UM97 View product
Display8 differ
Display diagonalDiffers	68.6 cm (27")	78.7 cm (31")
Display resolutionDiffers	1920 x 1080 pixels	4096 x 2160 pixels
HD typeDiffers	Full HD	4K Ultra HD
Display brightness (typical)Differs	250 cd/m²	320 cd/m²
Response timeDiffers	7 ms	5 ms
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080)	4096 x 2160
Aspect ratioDiffers	16:9	17:9
Contrast ratio (dynamic)Differs	10000000:1	1000:1
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Backlight typeKnown for one	W-LED	Unknown — not stated by the source
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Supported video modesKnown for one	1080p	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Viewable size diagonalKnown for one	68.6 cm	Unknown — not stated by the source
Multimedia1 differ
Built-in speaker(s)Differs	No	Yes
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	10 W
Designidentical
Market positioningKnown for one	Business	Unknown — not stated by the source
Ports & interfaces4 differ
USB hub versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
USB Type-A downstream ports quantityDiffers	0	4
VGA (D-Sub) ports quantityDiffers	1	0
DVI portDiffers	Yes	No
HDMI ports quantityDiffers	1	2
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
HDCPKnown for one	Unknown — not stated by the source	Yes
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomics1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Height adjustmentKnown for one	No	Unknown — not stated by the source
Tilt adjustmentKnown for one	Yes	Unknown — not stated by the source
Tilt angle rangeKnown for one	-5 - 20°	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	35 W	105 W
Power consumption (standby)Differs	0.5 W	0.78 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Annual energy consumptionKnown for one	Unknown — not stated by the source	207 kWh
Power consumption (max)Known for one	42 W	Unknown — not stated by the source
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	737 mm
Depth (with stand)Known for one	Unknown — not stated by the source	241 mm
Height (with stand)Known for one	Unknown — not stated by the source	624 mm
Weight (with stand)Known for one	Unknown — not stated by the source	9.3 kg
Width (without stand)Differs	625.6 mm	737 mm
Depth (without stand)Differs	189.8 mm	52 mm
Height (without stand)Differs	445.4 mm	408 mm
Weight (without stand)Differs	5.8 kg	7.3 kg
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	972 mm
Package depthKnown for one	Unknown — not stated by the source	152 mm
Package heightKnown for one	Unknown — not stated by the source	510 mm
Package weightKnown for one	Unknown — not stated by the source	12.3 kg
Packaging content1 differ
Cables includedDiffers	AC, VGA	AC, DisplayPort, HDMI
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	True Colour Pro Split Screen
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
CertificationKnown for one	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)	Unknown — not stated by the source

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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