Product comparison · 2 monitors

Acer CB271HKA computer monitor vs BenQ RL2455T computer monitor

34specifications compared
21differ
13identical
38known for one product only

Key differences

Display diagonal
- CB271HKA computer monitor:68.6 cm (27")
- RL2455T computer monitor:61 cm (24")
Display resolution
- CB271HKA computer monitor:3840 x 2160 pixels
- RL2455T computer monitor:1920 x 1080 pixels
Display technology
- CB271HKA computer monitor:LED
- RL2455T computer monitor:LCD
HD type
- CB271HKA computer monitor:4K Ultra HD
- RL2455T computer monitor:Full HD
Panel type
- CB271HKA computer monitor:IPS
- RL2455T computer monitor:TN
Display brightness (typical)
- CB271HKA computer monitor:300 cd/m²
- RL2455T computer monitor:250 cd/m²
Response time
- CB271HKA computer monitor:4 ms
- RL2455T computer monitor:1 ms
Contrast ratio (dynamic)
- CB271HKA computer monitor:100000000:1
- RL2455T computer monitor:12000000:1

Side by side

Differences highlightedShow differences only

Comparison of CB271HKA, RL2455T
72 specifications	A Acer CB271HKA computer monitor Model CB271HKA View product	B BenQ RL2455T computer monitor Model RL2455T View product
Display9 differ
Display diagonalDiffers	68.6 cm (27")	61 cm (24")
Display resolutionDiffers	3840 x 2160 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Display technologyDiffers	LED	LCD
Touchscreen	No	No
HD typeDiffers	4K Ultra HD	Full HD
Panel typeDiffers	IPS	TN
Display brightness (typical)Differs	300 cd/m²	250 cd/m²
Response timeDiffers	4 ms	1 ms
Screen shape	Flat	Flat
Aspect ratio	16:9	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Contrast ratio (dynamic)Differs	100000000:1	12000000:1
Maximum refresh rateDiffers	60 Hz	75 Hz
Response time (fast)Known for one	Unknown — not stated by the source	1 ms
Pixel pitchKnown for one	Unknown — not stated by the source	0.276 x 0.276 mm
Viewable size, horizontalKnown for one	Unknown — not stated by the source	53.1 cm
Viewable size, verticalKnown for one	Unknown — not stated by the source	29.9 cm
Supported graphics resolutionsKnown for one	3840 x 2160	Unknown — not stated by the source
Supported video modesKnown for one	2160p	Unknown — not stated by the source
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
3DKnown for one	No	Unknown — not stated by the source
Performanceidentical
Flicker-free technologyKnown for one	Unknown — not stated by the source	Yes
Low Blue Light technologyKnown for one	Unknown — not stated by the source	Yes
Multimedia1 differ
Built-in speaker(s)	Yes	Yes
Number of speakers	2	2
RMS rated powerDiffers	4 W	2 W
Built-in camera	No	No
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Gaming
Product colour	Black	Black
Detachable standKnown for one	Unknown — not stated by the source	Yes
Feet colourKnown for one	Black	Unknown — not stated by the source
Ports & interfaces2 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 port	Yes	Yes
HDMIKnown for one	Unknown — not stated by the source	Yes
HDMI ports quantityDiffers	1	2
DisplayPorts quantityDiffers	1	0
Audio inputKnown for one	Unknown — not stated by the source	Yes
Ergonomics3 differ
VESA mounting	Yes	Yes
Panel mounting interfaceKnown for one	Unknown — not stated by the source	100 x 100 mm
Cable lock slotDiffers	No	Yes
Height adjustment	Yes	Yes
Adjustable height (max)Differs	15 cm	11 cm
PivotKnown for one	Unknown — not stated by the source	Yes
SwivellingKnown for one	Unknown — not stated by the source	Yes
Swivel angle rangeKnown for one	Unknown — not stated by the source	45 - 45°
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 35°	-5 - 15°
Power1 differ
Power consumption (typical)Differs	60 W	23 W
AC input voltageKnown for one	Unknown — not stated by the source	90 - 264 V
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 & dimensions5 differ
Width (with stand)Differs	613.9 mm	579.4 mm
Depth (with stand)Differs	236 mm	213.9 mm
Height (with stand)Differs	537.2 mm	393.9 mm
Weight (with stand)Differs	7.39 kg	5.2 kg
Width (without stand)Differs	613.9 mm	579 mm
Depth (without stand)Known for one	Unknown — not stated by the source	63 mm
Height (without stand)Known for one	Unknown — not stated by the source	350 mm
Weight (without stand)Known for one	Unknown — not stated by the source	3.5 kg
Packaging contentidentical
Stand included	Yes	Yes
Cables includedKnown for one	AC, DVI, DisplayPort	Unknown — not stated by the source
Other featuresidentical
Contrast enhancerKnown for one	Unknown — not stated by the source	Yes
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 typeKnown for one	LED	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Thin Clientidentical
Thin client installedKnown for one	No	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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