Product comparison · 2 monitors

Acer 17IN LCD AL1702BM BLK vs Acer AL2021M 20IN TFT LCD

14specifications compared
12differ
2identical
13known for one product only

Key differences

The Acer 17IN LCD AL1702BM BLK has 50 cd/m² more display brightness (typical) than the Acer AL2021M 20IN TFT LCD (300 cd/m² vs 250 cd/m²). The Acer AL2021M 20IN TFT LCD has 250 :1 more contrast ratio (typical) than the Acer 17IN LCD AL1702BM BLK (600:1 vs 350:1). The Acer AL2021M 20IN TFT LCD has 30° more viewing angle, horizontal than the Acer 17IN LCD AL1702BM BLK (170° vs 140°). Display diagonal: 43.2 cm (17") on the Acer 17IN LCD AL1702BM BLK, 50.8 cm (20") on the Acer AL2021M 20IN TFT LCD. Display resolution: 1280 x 1024 pixels on the Acer 17IN LCD AL1702BM BLK, 1600 x 1200 pixels on the Acer AL2021M 20IN TFT LCD.

Display diagonal
- 17IN LCD AL1702BM BLK:43.2 cm (17")
- AL2021M 20IN TFT LCD:50.8 cm (20")
Display resolution
- 17IN LCD AL1702BM BLK:1280 x 1024 pixels
- AL2021M 20IN TFT LCD:1600 x 1200 pixels
Display brightness (typical)
- 17IN LCD AL1702BM BLK:300 cd/m²
- AL2021M 20IN TFT LCD:250 cd/m²
Contrast ratio (typical)
- 17IN LCD AL1702BM BLK:350:1
- AL2021M 20IN TFT LCD:600:1
Viewing angle, horizontal
- 17IN LCD AL1702BM BLK:140°
- AL2021M 20IN TFT LCD:170°
Viewing angle, vertical
- 17IN LCD AL1702BM BLK:130°
- AL2021M 20IN TFT LCD:170°
Pixel pitch
- 17IN LCD AL1702BM BLK:0.264
- AL2021M 20IN TFT LCD:0.255
Width (without stand)
- 17IN LCD AL1702BM BLK:365 mm
- AL2021M 20IN TFT LCD:449 mm

Side by side

Differences highlightedShow differences only

Comparison of 17IN LCD AL1702BM BLK, AL2021M 20IN TFT LCD
27 specifications	A Acer 17IN LCD AL1702BM BLK View product	B Acer AL2021M 20IN TFT LCD View product
Display7 differ
Display diagonalDiffers	43.2 cm (17")	50.8 cm (20")
Display resolutionDiffers	1280 x 1024 pixels	1600 x 1200 pixels
Display brightness (typical)Differs	300 cd/m²	250 cd/m²
Contrast ratio (typical)Differs	350:1	600:1
Viewing angle, horizontalDiffers	140°	170°
Viewing angle, verticalDiffers	130°	170°
Pixel pitchDiffers	0.264	0.255
Horizontal scan rangeKnown for one	Unknown — not stated by the source	81
Vertical scan rangeKnown for one	Unknown — not stated by the source	75
Viewable size, horizontalKnown for one	Unknown — not stated by the source	40.8 cm
Viewable size, verticalKnown for one	Unknown — not stated by the source	30.6 cm
Weight & dimensions3 differ
Width (without stand)Differs	365 mm	449 mm
Depth (without stand)Differs	201 mm	197 mm
Height (without stand)Differs	374 mm	439 mm
Weight (without stand)Known for one	4.6 kg	Unknown — not stated by the source
Other features2 differ
Audio systemDiffers	Integrated Stereo Speakers	2 X 2W
Display viewable area (HxV)Known for one	Unknown — not stated by the source	408 x 306 mm
Power managementKnown for one	Unknown — not stated by the source	On: 58W Off: 3W
CertificationDiffers	TCO99	UL, CUL, TUV/GS, T-mark, ISO 13406-2, CE, CB, TCO 03, FCC TCO 99
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LCD
CompatibilityKnown for one	PC	Unknown — not stated by the source
Security featuresKnown for one	Locking device keyhole (cable lock)	Unknown — not stated by the source
Ports & interfacesidentical
I/O portsKnown for one	1 x VGA - 15 pin HD D-Sub (HD-15)	Unknown — not stated by the source
Ergonomicsidentical
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	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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