Product comparison · 2 monitors

Acer KA KA251Q computer monitor vs Acer Predator Z271U computer monitor

40specifications compared
24differ
16identical
32known for one product only

Key differences

Display diagonal
- KA KA251Q computer monitor:62.2 cm (24.5")
- Predator Z271U computer monitor:68.6 cm (27")
Display resolution
- KA KA251Q computer monitor:1920 x 1080 pixels
- Predator Z271U computer monitor:2560 x 1440 pixels
HD type
- KA KA251Q computer monitor:Full HD
- Predator Z271U computer monitor:Quad HD
Display brightness (typical)
- KA KA251Q computer monitor:250 cd/m²
- Predator Z271U computer monitor:400 cd/m²
Response time
- KA KA251Q computer monitor:5 ms
- Predator Z271U computer monitor:1 ms
Screen shape
- KA KA251Q computer monitor:Flat
- Predator Z271U computer monitor:Curved
Supported graphics resolutions
- KA KA251Q computer monitor:1920 x 1080 (HD 1080)
- Predator Z271U computer monitor:2560 x 1440
Maximum refresh rate
- KA KA251Q computer monitor:60 Hz
- Predator Z271U computer monitor:165 Hz

Side by side

Differences highlightedShow differences only

Comparison of KA251Q, Z271U
72 specifications	A Acer KA KA251Q computer monitor Model KA251Q View product	B Acer Predator Z271U computer monitor Model Z271U View product
Display8 differ
Display diagonalDiffers	62.2 cm (24.5")	68.6 cm (27")
Display resolutionDiffers	1920 x 1080 pixels	2560 x 1440 pixels
HD typeDiffers	Full HD	Quad HD
Display brightness (typical)Differs	250 cd/m²	400 cd/m²
Response timeDiffers	5 ms	1 ms
Screen shapeDiffers	Flat	Curved
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080)	2560 x 1440
Supported video modesKnown for one	1080p	Unknown — not stated by the source
Contrast ratio (dynamic)Known for one	100000000:1	Unknown — not stated by the source
Maximum refresh rateDiffers	60 Hz	165 Hz
Panel typeKnown for one	Unknown — not stated by the source	TN
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	30 - 140 kHz
Colour depthKnown for one	Unknown — not stated by the source	8 bit
Performance1 differ
NVIDIA G-SYNCDiffers	No	Yes
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	7 W
Designidentical
Feet colourKnown for one	Black	Unknown — not stated by the source
Market positioningKnown for one	Unknown — not stated by the source	Gaming
Ports & interfacesidentical
Built-in USB hubKnown for one	No	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	Yes	Unknown — not stated by the source
HDMIKnown for one	Unknown — not stated by the source	Yes
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Ergonomics2 differ
Height adjustmentDiffers	No	Yes
Tilt angle rangeDiffers	-5 - 20°	-5 - 25°
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Panel mounting interfaceKnown for one	Unknown — not stated by the source	100 x 100 mm
Adjustable height (max)Known for one	Unknown — not stated by the source	11 cm
SwivellingKnown for one	Unknown — not stated by the source	Yes
Power3 differ
Energy efficiency class (SDR)Known for one	F	Unknown — not stated by the source
Energy consumption (SDR) per 1000 hoursKnown for one	23 kWh	Unknown — not stated by the source
Power consumption (typical)Differs	26.6 W	41 W
Power consumption (standby)Differs	0.43 W	0.5 W
Power consumption (off)Differs	0.24 W	0.5 W
Energy efficiency scaleKnown for one	A to G	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	30 W
Annual energy consumptionKnown for one	Unknown — not stated by the source	60 kWh
Weight & dimensions8 differ
Width (with stand)Differs	557.9 mm	613.7 mm
Depth (with stand)Differs	213 mm	268.4 mm
Height (with stand)Differs	437 mm	511.6 mm
Weight (with stand)Differs	4.2 kg	8.5 kg
Width (without stand)Differs	557.9 mm	613.7 mm
Depth (without stand)Differs	58 mm	106.2 mm
Height (without stand)Differs	332.8 mm	393.6 mm
Weight (without stand)Differs	3.7 kg	6.05 kg
Packaging dataidentical
Package typeKnown for one	Box	Unknown — not stated by the source
Packaging contentidentical
Stand includedKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other features1 differ
On/off switchKnown for one	Yes	Unknown — not stated by the source
No flickeringKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeDiffers	LED	LCD
Energy efficiency class (legacy scale)Known for one	Unknown — not stated by the source	B
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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