Product comparison · 2 monitors

Acer RT280KA computer monitor vs Lenovo L22e-20 computer monitor

14specifications compared
8differ
6identical
23known for one product only

Key differences

Display diagonal
- RT280KA computer monitor:71.1 cm (28")
- L22e-20 computer monitor:54.6 cm (21.5")
Display resolution
- RT280KA computer monitor:3840 x 2160 pixels
- L22e-20 computer monitor:1920 x 1080 pixels
HD type
- RT280KA computer monitor:4K Ultra HD
- L22e-20 computer monitor:Full HD
Panel type
- RT280KA computer monitor:TN+Film
- L22e-20 computer monitor:IPS
Display brightness (typical)
- RT280KA computer monitor:330 cd/m²
- L22e-20 computer monitor:250 cd/m²
Response time
- RT280KA computer monitor:1 ms
- L22e-20 computer monitor:4 ms
Supported graphics resolutions
- RT280KA computer monitor:3840 x 2160
- L22e-20 computer monitor:1920 x 1080 (HD 1080)
HDMI ports quantity
- RT280KA computer monitor:2
- L22e-20 computer monitor:1

Side by side

Differences highlightedShow differences only

Comparison of RT280KA, L22e-20
37 specifications	A Acer RT280KA computer monitor Model RT280KA View product	B Lenovo L22e-20 computer monitor Model L22e-20 View product
Display7 differ
Display diagonalDiffers	71.1 cm (28")	54.6 cm (21.5")
Display resolutionDiffers	3840 x 2160 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Touchscreen	No	No
HD typeDiffers	4K Ultra HD	Full HD
Panel typeDiffers	TN+Film	IPS
Display brightness (typical)Differs	330 cd/m²	250 cd/m²
Response timeDiffers	1 ms	4 ms
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	3840 x 2160	1920 x 1080 (HD 1080)
Contrast ratio (typical)Known for one	Unknown — not stated by the source	3000:1
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	178°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	178°
Display number of colours	16.78 million colours	16.78 million colours
3DKnown for one	Unknown — not stated by the source	No
Display technologyKnown for one	LCD	Unknown — not stated by the source
Performanceidentical
AMD FreeSyncKnown for one	Unknown — not stated by the source	Yes
VESA Adaptive Sync supportKnown for one	Unknown — not stated by the source	Yes
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
Designidentical
Product colour	Black	Black
Ports & interfaces1 differ
Built-in USB hubKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
HDMI ports quantityDiffers	2	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Ergonomicsidentical
VESA mountingKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Energy efficiency class (SDR)Known for one	Unknown — not stated by the source	D
Energy consumption (SDR) per 1000 hoursKnown for one	Unknown — not stated by the source	12 kWh
Energy efficiency scaleKnown for one	Unknown — not stated by the source	A to G
Weight & dimensionsidentical
Width (without stand)Known for one	Unknown — not stated by the source	489.3 mm
Depth (without stand)Known for one	Unknown — not stated by the source	41.5 mm
Height (without stand)Known for one	Unknown — not stated by the source	296.8 mm
Weight (without stand)Known for one	Unknown — not stated by the source	2.46 kg
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other featuresidentical
On/off switch	Yes	Yes
TV tuner integratedKnown 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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