Product comparison · 2 monitors

Acer P166HQLb computer monitor vs Dell ST2220T computer monitor

14specifications compared
11differ
3identical
32known for one product only

Key differences

Display diagonal
- P166HQLb computer monitor:39.6 cm (15.6")
- ST2220T computer monitor:54.6 cm (21.5")
Display resolution
- P166HQLb computer monitor:1366 x 768 pixels
- ST2220T computer monitor:1920 x 1080 pixels
Touchscreen
- P166HQLb computer monitor:No
- ST2220T computer monitor:Yes
Contrast ratio (dynamic)
- P166HQLb computer monitor:100000000:1
- ST2220T computer monitor:50000:1
Viewing angle, horizontal
- P166HQLb computer monitor:90°
- ST2220T computer monitor:178°
Viewing angle, vertical
- P166HQLb computer monitor:50°
- ST2220T computer monitor:178°
Display number of colours
- P166HQLb computer monitor:262144 colours
- ST2220T computer monitor:16.78 million colours
DVI-D ports quantity
- P166HQLb computer monitor:0
- ST2220T computer monitor:1

Side by side

Differences highlightedShow differences only

Comparison of P166HQLb, ST2220T
46 specifications	A Acer P166HQLb computer monitor Model P166HQLb View product	B Dell ST2220T computer monitor Model ST2220T View product
Display7 differ
Display diagonalDiffers	39.6 cm (15.6")	54.6 cm (21.5")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Display technologyKnown for one	Unknown — not stated by the source	LCD
TouchscreenDiffers	No	Yes
HD typeKnown for one	Unknown — not stated by the source	Full HD
Touchscreen technologyKnown for one	Unknown — not stated by the source	Optical imaging
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Screen shapeKnown for one	Unknown — not stated by the source	Flat
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Contrast ratio (dynamic)Differs	100000000:1	50000:1
Viewing angle, horizontalDiffers	90°	178°
Viewing angle, verticalDiffers	50°	178°
Display number of coloursDiffers	262144 colours	16.78 million colours
Pixel pitchKnown for one	Unknown — not stated by the source	0.248 x 0.248 mm
Display diagonal (metric)Known for one	Unknown — not stated by the source	54.6 cm
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Display brightness (typical)Known for one	200 cd/m²	Unknown — not stated by the source
Supported graphics resolutionsKnown for one	1366 x 768	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Performanceidentical
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
AMD FreeSyncKnown for one	Unknown — not stated by the source	No
Ports & interfaces2 differ
DVI portKnown for one	Unknown — not stated by the source	Yes
DVI-D ports quantityDiffers	0	1
HDMIKnown for one	Unknown — not stated by the source	Yes
HDMI ports quantityDiffers	0	1
HDCPKnown for one	Unknown — not stated by the source	Yes
USB Type-A downstream ports quantityKnown for one	0	Unknown — not stated by the source
DVI-I ports quantityKnown for one	0	Unknown — not stated by the source
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	28 W
Power consumption (standby)Known for one	Unknown — not stated by the source	1 W
AC input voltageDiffers	110 - 220 V	110 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	USB, VGA
Other features1 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	528 x 59 x 380 mm
Supplied AC adapter typeDiffers	LCD	AC
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	No	Unknown — not stated by the source
Built-in cameraKnown for one	No	Unknown — not stated by the source
Ergonomicsidentical
Cable lock slotKnown for one	No	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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