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Product comparison · 2 monitors

Acer AL1502BM 15 LCD SPEAKERS vs Acer AL2021M 20IN TFT LCD

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  • 16specifications compared
  • 13differ
  • 3identical
  • 9known for one product only

Key differences

The Acer AL2021M 20IN TFT LCD has 250 :1 more contrast ratio (typical) than the Acer AL1502BM 15 LCD SPEAKERS (600:1 vs 350:1). The Acer AL2021M 20IN TFT LCD has 30° more viewing angle, horizontal than the Acer AL1502BM 15 LCD SPEAKERS (170° vs 140°). The Acer AL2021M 20IN TFT LCD has 45° more viewing angle, vertical than the Acer AL1502BM 15 LCD SPEAKERS (170° vs 125°). Display diagonal: 38.1 cm (15") on the Acer AL1502BM 15 LCD SPEAKERS, 50.8 cm (20") on the Acer AL2021M 20IN TFT LCD. Display resolution: 1024 x 768 pixels on the Acer AL1502BM 15 LCD SPEAKERS, 1600 x 1200 pixels on the Acer AL2021M 20IN TFT LCD.

  • Display diagonal
    • 38.1 cm (15")
    • 50.8 cm (20")
  • Display resolution
    • 1024 x 768 pixels
    • 1600 x 1200 pixels
  • Contrast ratio (typical)
    • 350:1
    • 600:1
  • Viewing angle, horizontal
    • 140°
    • 170°
  • Viewing angle, vertical
    • 125°
    • 170°
  • Pixel pitch
    • 0.297
    • 0.255
  • Horizontal scan range
    • 30 - 60 kHz
    • 81
  • Vertical scan range
    • 55 - 75 Hz
    • 75

Side by side

Differences highlightedShow differences only
25 specifications
A

Acer

AL1502BM 15 LCD SPEAKERSView product
B

Acer

AL2021M 20IN TFT LCDView product
Display8 differ
Display diagonalDiffers38.1 cm (15")50.8 cm (20")
Display resolutionDiffers1024 x 768 pixels1600 x 1200 pixels
TouchscreenNoNo
Display brightness (typical)250 cd/m²250 cd/m²
Response time25 ms25 ms
Contrast ratio (typical)Differs350:1600:1
Viewing angle, horizontalDiffers140°170°
Viewing angle, verticalDiffers125°170°
Pixel pitchDiffers0.2970.255
Horizontal scan rangeDiffers30 - 60 kHz81
Vertical scan rangeDiffers55 - 75 Hz75
Viewable size, horizontalKnown for one40.8 cm
Viewable size, verticalKnown for one30.6 cm
Weight & dimensions3 differ
Width (without stand)Differs326 mm449 mm
Depth (without stand)Differs200 mm197 mm
Height (without stand)Differs340 mm439 mm
Weight (without stand)Known for one3.5 kg
Other features2 differ
Audio systemDiffersStereo speakers built-in2 X 2W
Display viewable area (HxV)Known for one408 x 306 mm
Power managementKnown for oneOn: 58W Off: 3W
CertificationDiffersTCO99UL, CUL, TUV/GS, T-mark, ISO 13406-2, CE, CB, TCO 03, FCC TCO 99
Supplied AC adapter typeKnown for oneLCD
Security featuresKnown for oneKensington Lock support
Ports & interfacesidentical
I/O portsKnown for one1 x VGA - 15 pin HD D-Sub (HD-15)
Ergonomicsidentical
Panel mounting interfaceKnown for one75 x 75 mm

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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