Product comparison · 2 monitors

Acer CB271HKA computer monitor vs Acer EB490QK computer monitor

25specifications compared
5differ
20identical
29known for one product only

Key differences

Display diagonal
- CB271HKA computer monitor:68.6 cm (27")
- EB490QK computer monitor:123.2 cm (48.5")
RMS rated power
- CB271HKA computer monitor:4 W
- EB490QK computer monitor:20 W
HDMI ports quantity
- CB271HKA computer monitor:1
- EB490QK computer monitor:3
Cables included
- CB271HKA computer monitor:AC, DVI, DisplayPort
- EB490QK computer monitor:DisplayPort, HDMI, VGA
Supplied AC adapter type
- CB271HKA computer monitor:LED
- EB490QK computer monitor:LCD

Side by side

Differences highlightedShow differences only

Comparison of CB271HKA, EB490QK
54 specifications	A Acer CB271HKA computer monitor Model CB271HKA View product	B Acer EB490QK computer monitor Model EB490QK View product
Display1 differ
Display diagonalDiffers	68.6 cm (27")	123.2 cm (48.5")
Display resolution	3840 x 2160 pixels	3840 x 2160 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD type	4K Ultra HD	4K Ultra HD
Panel type	IPS	IPS
Display brightness (typical)	300 cd/m²	300 cd/m²
Response time	4 ms	4 ms
Screen shape	Flat	Flat
Supported graphics resolutions	3840 x 2160	3840 x 2160
Supported video modesKnown for one	2160p	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (dynamic)	100000000:1	100000000:1
Maximum refresh rate	60 Hz	60 Hz
Viewing angle, horizontalKnown for one	178°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	178°	Unknown — not stated by the source
Display number of coloursKnown for one	1.073 billion colours	Unknown — not stated by the source
3D	No	No
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of speakers	2	2
RMS rated powerDiffers	4 W	20 W
Built-in camera	No	No
Designidentical
Product colour	Black	Black
Feet colourKnown for one	Black	Unknown — not stated by the source
Ports & interfaces1 differ
DVI portKnown for one	Yes	Unknown — not stated by the source
HDMI ports quantityDiffers	1	3
DisplayPorts quantity	1	1
Built-in USB hubKnown for one	Unknown — not stated by the source	No
Ergonomicsidentical
VESA mounting	Yes	Yes
Cable lock slot	No	No
Height adjustmentKnown for one	Yes	Unknown — not stated by the source
Adjustable height (max)Known for one	15 cm	Unknown — not stated by the source
Tilt adjustmentKnown for one	Yes	Unknown — not stated by the source
Tilt angle rangeKnown for one	-5 - 35°	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	60 W	Unknown — not stated by the source
Power consumption (standby)Known for one	0.35 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.25 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	35 W	Unknown — not stated by the source
Weight & dimensionsidentical
Width (with stand)Known for one	613.9 mm	Unknown — not stated by the source
Depth (with stand)Known for one	236 mm	Unknown — not stated by the source
Height (with stand)Known for one	537.2 mm	Unknown — not stated by the source
Weight (with stand)Known for one	7.39 kg	Unknown — not stated by the source
Width (without stand)Known for one	613.9 mm	Unknown — not stated by the source
Packaging content1 differ
Stand includedKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC, DVI, DisplayPort	DisplayPort, HDMI, VGA
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other features1 differ
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	TCO	Unknown — not stated by the source
Supplied AC adapter typeDiffers	LED	LCD
On/off switchKnown for one	Unknown — not stated by the source	Yes
Thin Clientidentical
Thin client installedKnown for one	No	Unknown — not stated by the source
Performanceidentical
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
AMD FreeSyncKnown 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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