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Product comparison · 2 monitors

Acer AL1715m 17 inch LCD analog - TCO99 vs Acer AL2021M 20IN TFT LCD

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  • 18specifications compared
  • 16differ
  • 2identical
  • 6known for one product only

Key differences

The Acer AL2021M 20IN TFT LCD has 5 ms more response time than the Acer AL1715m 17 inch LCD analog - TCO99 (25 ms vs 20 ms). The Acer AL2021M 20IN TFT LCD has 170 :1 more contrast ratio (typical) than the Acer AL1715m 17 inch LCD analog - TCO99 (600:1 vs 430:1). The Acer AL2021M 20IN TFT LCD has 10° more viewing angle, horizontal than the Acer AL1715m 17 inch LCD analog - TCO99 (170° vs 160°). Display diagonal: 43.2 cm (17") on the Acer AL1715m 17 inch LCD analog - TCO99, 50.8 cm (20") on the Acer AL2021M 20IN TFT LCD. Display resolution: 1280 x 1024 pixels on the Acer AL1715m 17 inch LCD analog - TCO99, 1600 x 1200 pixels on the Acer AL2021M 20IN TFT LCD.

  • Display diagonal
    • 43.2 cm (17")
    • 50.8 cm (20")
  • Display resolution
    • 1280 x 1024 pixels
    • 1600 x 1200 pixels
  • Response time
    • 20 ms
    • 25 ms
  • Contrast ratio (typical)
    • 430:1
    • 600:1
  • Viewing angle, horizontal
    • 160°
    • 170°
  • Viewing angle, vertical
    • 130°
    • 170°
  • Pixel pitch
    • 0.264 x 0.264 mm
    • 0.255
  • Horizontal scan range
    • 31.5 - 80 kHz
    • 81

Side by side

Differences highlightedShow differences only
24 specifications
A

Acer

AL1715m 17 inch LCD analog - TCO99View product
B

Acer

AL2021M 20IN TFT LCDView product
Display11 differ
Display diagonalDiffers43.2 cm (17")50.8 cm (20")
Display resolutionDiffers1280 x 1024 pixels1600 x 1200 pixels
Response timeDiffers20 ms25 ms
Contrast ratio (typical)Differs430:1600:1
Viewing angle, horizontalDiffers160°170°
Viewing angle, verticalDiffers130°170°
Pixel pitchDiffers0.264 x 0.264 mm0.255
Horizontal scan rangeDiffers31.5 - 80 kHz81
Vertical scan rangeDiffers56.3 - 75 Hz75
Viewable size, horizontalDiffers33.8 cm40.8 cm
Viewable size, verticalDiffers27 cm30.6 cm
Ergonomicsidentical
Plug and PlayKnown for oneYes
Weight & dimensions3 differ
Width (without stand)Differs393 mm449 mm
Depth (without stand)Differs159.8 mm197 mm
Height (without stand)Differs377 mm439 mm
Weight (without stand)Known for one5 kg
Other features2 differ
Audio systemDiffersSpeakers 2X1W2 X 2W
Video inKnown for oneAnalog (D-sub)
CertificationDiffersISO 13406-2, UL, EN60950, EN - 55022, MPR 1990, CSA, CB, TUV-GS, FCC-B, CE, TCO'99UL, CUL, TUV/GS, T-mark, ISO 13406-2, CE, CB, TCO 03, FCC TCO 99
Display viewable area (HxV)Known for one408 x 306 mm
Power managementKnown for oneOn: 58W Off: 3W
Supplied AC adapter typeKnown for oneLCD

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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