Product comparison · 2 monitors

Acer KA221Qbid computer monitor vs ZOWIE RL2455T computer monitor

35specifications compared
17differ
18identical
35known for one product only

Key differences

Display diagonal
- KA221Qbid computer monitor:54.6 cm (21.5")
- RL2455T computer monitor:61 cm (24")
Panel type
- KA221Qbid computer monitor:TN+Film
- RL2455T computer monitor:TN
Display brightness (typical)
- KA221Qbid computer monitor:200 cd/m²
- RL2455T computer monitor:250 cd/m²
Response time
- KA221Qbid computer monitor:5 ms
- RL2455T computer monitor:1 ms
Contrast ratio (dynamic)
- KA221Qbid computer monitor:100000000:1
- RL2455T computer monitor:12000000:1
Maximum refresh rate
- KA221Qbid computer monitor:60 Hz
- RL2455T computer monitor:75 Hz
AMD FreeSync
- KA221Qbid computer monitor:Yes
- RL2455T computer monitor:No
HDMI ports quantity
- KA221Qbid computer monitor:1
- RL2455T computer monitor:2

Side by side

Differences highlightedShow differences only

Comparison of KA221Qbid, RL2455T
70 specifications	A Acer KA221Qbid computer monitor Model KA221Qbid View product	B ZOWIE RL2455T computer monitor Model RL2455T View product
Display6 differ
Display diagonalDiffers	54.6 cm (21.5")	61 cm (24")
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
Panel typeDiffers	TN+Film	TN
Backlight type	LED	LED
Display brightness (typical)Differs	200 cd/m²	250 cd/m²
Response timeDiffers	5 ms	1 ms
Screen shape	Flat	Flat
Supported graphics resolutions	1920 x 1080 (HD 1080)	1920 x 1080 (HD 1080)
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
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
3D	No	No
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Horizontal scan rangeKnown for one	30 - 80 kHz	Unknown — not stated by the source
Vertical scan rangeKnown for one	55 - 75 Hz	Unknown — not stated by the source
Performance1 differ
NVIDIA G-SYNC	No	No
AMD FreeSyncDiffers	Yes	No
VESA Adaptive Sync supportKnown for one	Yes	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	4 W
Built-in camera	No	No
Designidentical
Market positioningKnown for one	Unknown — not stated by the source	Gaming
Product colour	Black	Black
Ports & interfaces1 differ
Built-in USB hub	No	No
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
HDMI ports quantityDiffers	1	2
Headphone outputsKnown for one	Unknown — not stated by the source	1
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
Ergonomics1 differ
VESA mountingKnown for one	Unknown — not stated by the source	Yes
Panel mounting interfaceKnown for one	Unknown — not stated by the source	100 x 100 mm
Cable lock slotKnown for one	Unknown — not stated by the source	No
Height adjustment	No	No
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 20°	-5 - 15°
Power1 differ
Power consumption (typical)Differs	14.84 W	23 W
AC input voltageKnown for one	Unknown — not stated by the source	90 - 264 V
Power consumption (average)Known for one	19 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.22 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions7 differ
Width (with stand)Differs	508 mm	579.4 mm
Depth (with stand)Differs	213 mm	213.9 mm
Height (with stand)Differs	406 mm	503.9 mm
Width (without stand)Differs	508 mm	579 mm
Depth (without stand)Differs	52 mm	63 mm
Height (without stand)Differs	305 mm	350 mm
Weight (without stand)Differs	2.95 kg	3.5 kg
Weight (with stand)Known for one	3.51 kg	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	5.2 kg
Package typeKnown for one	Box	Unknown — not stated by the source
Other featuresidentical
On/off switchKnown for one	Unknown — not stated by the source	Yes
TV tuner integrated	No	No
No flickeringKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LED
Thin Clientidentical
Thin client installedKnown for one	Unknown — not stated by the source	No
Packaging contentidentical
Stand includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC, VGA	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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