Product comparison · 2 monitors

Acer KA KA251Q computer monitor vs TERRA 3030021 computer monitor

42specifications compared
15differ
27identical
30known for one product only

Key differences

Display diagonal
- KA KA251Q computer monitor:62.2 cm (24.5")
- 3030021 computer monitor:54.6 cm (21.5")
Contrast ratio (dynamic)
- KA KA251Q computer monitor:100000000:1
- 3030021 computer monitor:30000000:1
Viewing angle, horizontal
- KA KA251Q computer monitor:170°
- 3030021 computer monitor:178°
Viewing angle, vertical
- KA KA251Q computer monitor:160°
- 3030021 computer monitor:178°
Built-in speaker(s)
- KA KA251Q computer monitor:No
- 3030021 computer monitor:Yes
Cable lock slot
- KA KA251Q computer monitor:No
- 3030021 computer monitor:Yes
Height adjustment
- KA KA251Q computer monitor:No
- 3030021 computer monitor:Yes
Power consumption (typical)
- KA KA251Q computer monitor:26.6 W
- 3030021 computer monitor:13 W

Side by side

Differences highlightedShow differences only

Comparison of KA251Q, 3030021
72 specifications	A Acer KA KA251Q computer monitor Model KA251Q View product	B TERRA 3030021 computer monitor Model 3030021 View product
Display4 differ
Display diagonalDiffers	62.2 cm (24.5")	54.6 cm (21.5")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD type	Full HD	Full HD
Display brightness (typical)	250 cd/m²	250 cd/m²
Response time	5 ms	5 ms
Screen shape	Flat	Flat
Supported graphics resolutions	1920 x 1080 (HD 1080)	1920 x 1080 (HD 1080)
Supported video modesKnown for one	1080p	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (dynamic)Differs	100000000:1	30000000:1
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Viewing angle, horizontalDiffers	170°	178°
Viewing angle, verticalDiffers	160°	178°
Display number of colours	16.78 million colours	16.78 million colours
3D	No	No
Panel typeKnown for one	Unknown — not stated by the source	ADS
Performanceidentical
NVIDIA G-SYNC	No	No
AMD FreeSync	No	No
Multimedia1 differ
Built-in speaker(s)Differs	No	Yes
Built-in camera	No	No
Designidentical
Product colour	Black	Black
Feet colourKnown for one	Black	Unknown — not stated by the source
Ports & interfacesidentical
Built-in USB hub	No	No
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
HDMI ports quantity	1	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
PC Audio inKnown for one	Unknown — not stated by the source	Yes
HDCPKnown for one	Unknown — not stated by the source	Yes
Ergonomics2 differ
VESA mounting	Yes	Yes
Cable lock slotDiffers	No	Yes
Height adjustmentDiffers	No	Yes
Tilt adjustment	Yes	Yes
Tilt angle rangeKnown for one	-5 - 20°	Unknown — not stated by the source
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
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Adjustable height (max)Known for one	Unknown — not stated by the source	13 cm
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power1 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	13 W
Power consumption (standby)Known for one	0.43 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.24 W	Unknown — not stated by the source
Energy efficiency scaleKnown for one	A to G	Unknown — not stated by the source
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Annual energy consumptionKnown for one	Unknown — not stated by the source	19 kWh
Weight & dimensions7 differ
Width (with stand)Differs	557.9 mm	499 mm
Depth (with stand)	213 mm	213 mm
Height (with stand)Differs	437 mm	374 mm
Weight (with stand)Differs	4.2 kg	4.8 kg
Width (without stand)Differs	557.9 mm	499 mm
Depth (without stand)Differs	58 mm	46 mm
Height (without stand)Differs	332.8 mm	296 mm
Weight (without stand)Differs	3.7 kg	2.7 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
Manual	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC, Audio (3.5mm), HDMI
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other featuresidentical
On/off switchKnown for one	Yes	Unknown — not stated by the source
TV tuner integrated	No	No
No flickeringKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter type	LED	LED
Energy efficiency class (legacy scale)Known for one	Unknown — not stated by the source	A+
Compliance industry standardsKnown for one	Unknown — not stated by the source	TÜV ergonomics tested, ISO 9241-307 (replaces ISO 13406-2), TCO Displays 7.0
CertificationKnown for one	Unknown — not stated by the source	CE, TÜV-GS
Thin Clientidentical
Thin client installed	No	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.

More monitor comparisons

All monitor comparisons