Product comparison · 2 monitors

Acer S1 S221HQLDbd computer monitor vs ASUS VB178T computer monitor

36specifications compared
16differ
20identical
27known for one product only

Key differences

Display diagonal
- S1 S221HQLDbd computer monitor:54.6 cm (21.5")
- VB178T computer monitor:43.2 cm (17")
Display resolution
- S1 S221HQLDbd computer monitor:1920 x 1080 pixels
- VB178T computer monitor:1280 x 1024 pixels
Native aspect ratio
- S1 S221HQLDbd computer monitor:16:9
- VB178T computer monitor:5:4
Supported graphics resolutions
- S1 S221HQLDbd computer monitor:1920 x 1080 (HD 1080)
- VB178T computer monitor:1280 x 1024 (SXGA)
Aspect ratio
- S1 S221HQLDbd computer monitor:16:9
- VB178T computer monitor:5:4
Contrast ratio (dynamic)
- S1 S221HQLDbd computer monitor:100000000:1
- VB178T computer monitor:50000000:1
Built-in speaker(s)
- S1 S221HQLDbd computer monitor:No
- VB178T computer monitor:Yes
Cable lock slot
- S1 S221HQLDbd computer monitor:No
- VB178T computer monitor:Yes

Side by side

Differences highlightedShow differences only

Comparison of S221HQLDbd, VB178T
63 specifications	A Acer S1 S221HQLDbd computer monitor Model S221HQLDbd View product	B ASUS VB178T computer monitor Model VB178T View product
Display6 differ
Display diagonalDiffers	54.6 cm (21.5")	43.2 cm (17")
Display resolutionDiffers	1920 x 1080 pixels	1280 x 1024 pixels
Native aspect ratioDiffers	16:9	5:4
Touchscreen	No	No
Display brightness (typical)	250 cd/m²	250 cd/m²
Response time	5 ms	5 ms
Supported graphics resolutionsDiffers	1920 x 1080 (HD 1080)	1280 x 1024 (SXGA)
Aspect ratioDiffers	16:9	5:4
Contrast ratio (dynamic)Differs	100000000:1	50000000:1
Viewing angle, horizontal	170°	170°
Viewing angle, vertical	160°	160°
Display number of colours	16.78 million colours	16.78 million colours
Pixel pitchKnown for one	Unknown — not stated by the source	0.264 x 0.264 mm
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 83 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	55 - 75 Hz
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	30 - 83 kHz
Digital vertical frequencyKnown for one	Unknown — not stated by the source	55 - 75 Hz
3D	No	No
HD typeKnown for one	Full HD	Unknown — not stated by the source
Backlight typeKnown for one	W-LED	Unknown — not stated by the source
Supported video modesKnown for one	1080p	Unknown — not stated by the source
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	2 W
Built-in camera	No	No
Designidentical
Product colour	Black	Black
Ports & interfacesidentical
USB Type-A downstream ports quantity	0	0
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantityKnown for one	Unknown — not stated by the source	1
DVI-I ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantity	0	0
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
PC Audio inKnown for one	Unknown — not stated by the source	Yes
HDCP	Yes	Yes
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomics1 differ
VESA mountingKnown for one	Unknown — not stated by the source	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Height adjustment	No	No
Tilt angle rangeKnown for one	Unknown — not stated by the source	-5 - 20°
LED indicatorsKnown for one	Power	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	21.2 W	25 W
Power consumption (standby)Differs	0.64 W	1 W
AC input voltageDiffers	110 - 220 V	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power consumption (off)Known for one	0.46 W	Unknown — not stated by the source
Weight & dimensions4 differ
Width (with stand)Known for one	Unknown — not stated by the source	377 mm
Depth (with stand)Known for one	Unknown — not stated by the source	210 mm
Height (with stand)Known for one	Unknown — not stated by the source	386 mm
Weight (with stand)Known for one	Unknown — not stated by the source	5.1 kg
Width (without stand)Differs	505 mm	377 mm
Depth (without stand)Differs	145 mm	60 mm
Height (without stand)Differs	371 mm	314.2 mm
Weight (without stand)Differs	2.8 kg	3.5 kg
Packaging content1 differ
Cables includedDiffers	AC, VGA	AC, DVI, VGA
Quick start guide	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Other featuresidentical
TV tuner integrated	No	No
CertificationKnown for one	Unknown — not stated by the source	L/cUL, CB, ErP, FCC,CCC, BSMI, Gost-R, C-Tick, VCCI,PSB,TCO5.2, ISO9241-307, TUV-GS/ERGO, J-MOSS, WEEE, Windows 7 WHQL
Supplied AC adapter type	LED	LED
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