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Product comparison · 2 monitors

Acer AL2021M 20IN TFT LCD vs Acer Monitor AL712 17 LCD Flat Panel

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  • 19specifications compared
  • 16differ
  • 3identical
  • 4known for one product only

Key differences

The Acer AL2021M 20IN TFT LCD has 5 ms more response time than the Acer Monitor AL712 17 LCD Flat Panel (25 ms vs 20 ms). The Acer AL2021M 20IN TFT LCD has 100 :1 more contrast ratio (typical) than the Acer Monitor AL712 17 LCD Flat Panel (600:1 vs 500:1). The Acer AL2021M 20IN TFT LCD has 10° more viewing angle, horizontal than the Acer Monitor AL712 17 LCD Flat Panel (170° vs 160°). Display diagonal: 50.8 cm (20") on the Acer AL2021M 20IN TFT LCD, 43.2 cm (17") on the Acer Monitor AL712 17 LCD Flat Panel. Display resolution: 1600 x 1200 pixels on the Acer AL2021M 20IN TFT LCD, 1280 x 1024 pixels on the Acer Monitor AL712 17 LCD Flat Panel.

  • Display diagonal
    • 50.8 cm (20")
    • 43.2 cm (17")
  • Display resolution
    • 1600 x 1200 pixels
    • 1280 x 1024 pixels
  • Response time
    • 25 ms
    • 20 ms
  • Contrast ratio (typical)
    • 600:1
    • 500:1
  • Viewing angle, horizontal
    • 170°
    • 160°
  • Viewing angle, vertical
    • 170°
    • 130°
  • Pixel pitch
    • 0.255
    • 0.264
  • Horizontal scan range
    • 81
    • 24 - 80 kHz

Side by side

Differences highlightedShow differences only
23 specifications
A

Acer

AL2021M 20IN TFT LCDView product
B

Acer

Monitor AL712 17 LCD Flat PanelView product
Display11 differ
Display diagonalDiffers50.8 cm (20")43.2 cm (17")
Display resolutionDiffers1600 x 1200 pixels1280 x 1024 pixels
TouchscreenNoNo
Display brightness (typical)250 cd/m²250 cd/m²
Response timeDiffers25 ms20 ms
Contrast ratio (typical)Differs600:1500:1
Viewing angle, horizontalDiffers170°160°
Viewing angle, verticalDiffers170°130°
Pixel pitchDiffers0.2550.264
Horizontal scan rangeDiffers8124 - 80 kHz
Vertical scan rangeDiffers7556 - 75 Hz
Viewable size, horizontalDiffers40.8 cm33.8 cm
Viewable size, verticalDiffers30.6 cm27 cm
Weight & dimensions3 differ
Width (without stand)Differs449 mm374 mm
Depth (without stand)Differs197 mm204 mm
Height (without stand)Differs439 mm394 mm
Other features2 differ
Audio systemDiffers2 X 2W2 x audio speakers -- integrated
Display viewable area (HxV)Known for one408 x 306 mm
Power managementKnown for oneOn: 58W Off: 3W
CertificationDiffersUL, CUL, TUV/GS, T-mark, ISO 13406-2, CE, CB, TCO 03, FCC TCO 99BSMI, CCC, CB, ISO 13406-2, Microsoft WHQL, UL, CUL, TUV/GS, T-Mark, ISO9241-3/-7/-8, FCC/B, VCCI, CE, TCO99
Supplied AC adapter typeLCDLCD
Ergonomicsidentical
Plug and PlayKnown for oneYes
Packaging contentidentical
Bundled softwareKnown for oneDrivers & Utilities

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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