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Product comparison · 2 monitors

Alienware AW2521HFLA computer monitor vs Alienware AW3821DW computer monitor

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  • 75specifications compared
  • 38differ
  • 37identical
  • 40known for one product only

Key differences

  • Display diagonal
    • 63.5 cm (25")
    • 95.2 cm (37.5")
  • Display resolution
    • 1920 x 1080 pixels
    • 3840 x 1600 pixels
  • Native aspect ratio
    • 16:9
    • 21:9
  • HD type
    • Full HD
    • UltraWide Quad HD+
  • Backlight type
    • W-LED
    • LED
  • Display brightness (typical)
    • 400 cd/m²
    • 450 cd/m²
  • Response time
    • 1 ms
    • 4 ms
  • Screen shape
    • Flat
    • Curved

Side by side

Differences highlightedShow differences only
115 specifications
A

Alienware

AW2521HFLA computer monitor

Model AW2521HFLA

View product
B

Alienware

AW3821DW computer monitor

Model AW3821DW

View product
Display18 differ
Display diagonalDiffers63.5 cm (25")95.2 cm (37.5")
Display resolutionDiffers1920 x 1080 pixels3840 x 1600 pixels
Native aspect ratioDiffers16:921:9
Display technologyLCDLCD
TouchscreenNoNo
HD typeDiffersFull HDUltraWide Quad HD+
Panel typeIPSIPS
Backlight typeDiffersW-LEDLED
Display brightness (typical)Differs400 cd/m²450 cd/m²
Response timeDiffers1 ms4 ms
Anti-glare screenKnown for oneYes
Screen shapeDiffersFlatCurved
Supported graphics resolutionsDiffers1920 x 1080 (HD 1080)640 x 480 (VGA), 720 x 480, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 2560 x 1440, 3840 x 1600
Supported video modesDiffers480i, 480p, 576p, 720p, 1080i, 1080p480p, 576p, 720p, 1080p, 1600p
Contrast ratio (typical)1000:11000:1
Maximum refresh rateDiffers240 Hz144 Hz
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursDiffers16.78 million colours1.073 billion colours
Response time (fast)Differs4 ms3 ms
Pixel pitchDiffers0.2832 x 0.2802 mm0.22908 x 0.22908 mm
Pixel densityDiffers90 ppi110.874 ppi
Horizontal scan rangeKnown for one30 - 255 kHz
Vertical scan rangeKnown for one48 - 240 Hz
Viewable size, horizontalDiffers54.4 cm88 cm
Viewable size, verticalDiffers30.3 cm36.6 cm
Viewable size diagonalDiffers62.2 cm95.3 cm
Colour gamut standardKnown for onesRGB
sRGB coverage (typical)Known for one99%
Dell ComfortView technologyKnown for oneYes
High Dynamic Range (HDR) supportedKnown for oneYes
High Dynamic Range (HDR) technologyKnown for oneDisplayHDR 600
Performance1 differ
NVIDIA G-SYNCYesYes
AMD FreeSyncDiffersYesNo
NVIDIA G-SYNC typeKnown for oneG-SYNC Compatible
AMD FreeSync typeKnown for oneFreeSync Premium
Flicker-free technologyKnown for oneYes
Low Blue Light technologyKnown for oneYes
Multimediaidentical
Built-in speaker(s)NoNo
Built-in cameraNoNo
Design1 differ
Market positioningGamingGaming
Product colourDiffersSilver, WhiteBlack, White
Colour nameKnown for oneLunar Light
Detachable standKnown for oneYes
Front bezel colourKnown for oneBlack
Ports & interfaces2 differ
Built-in USB hubYesYes
USB hub versionDiffers2.0 / 3.2 Gen 1 (3.1 Gen 1)3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeKnown for oneUSB Type-B
Number of upstream ports11
USB Type-A downstream ports quantityDiffers54
DVI portNoNo
HDMIYesYes
HDMI ports quantity22
HDMI version2.02.0
DisplayPorts quantity11
DisplayPort version1.21.2
Audio inputNoNo
Headphone outYesYes
Headphone outputsKnown for one1
VGA (D-Sub) ports quantityKnown for one0
Audio outputKnown for oneYes
Ergonomics1 differ
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotKnown for oneYes
Height adjustmentYesYes
Adjustable height (max)13 cm13 cm
PivotDiffersYesNo
Pivot angleKnown for one-90 - 90°
SwivellingYesYes
Swivel angle range-20 - 20°-20 - 20°
Tilt adjustmentYesYes
Tilt angle range-5 - 21°-5 - 21°
On Screen Display (OSD)Known for oneYes
Plug and PlayKnown for oneYes
Power3 differ
Energy efficiency class (SDR)DiffersFG
Energy consumption (SDR) per 1000 hoursDiffers20 kWh44 kWh
Power consumption (typical)Differs21 W43.5 W
Power consumption (standby)0.3 W0.3 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Energy efficiency scaleA to GA to G
Energy efficiency class (HDR)Known for oneF
Energy consumption (HDR) per 1000 hoursKnown for one33 kWh
Power consumption (max)Known for one125 W
Power consumption (off)Known for one0.2 W
Input currentKnown for one1.8 A
Power supply typeKnown for oneInternal
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-20 - 60 °C-20 - 60 °C
Operating relative humidity (H-H)10 - 80%10 - 80%
Storage relative humidity (H-H)5 - 90%5 - 90%
Operating altitudeKnown for one0 - 5000 m
Non-operating altitudeKnown for one0 - 12192 m
Weight & dimensions11 differ
Width (with stand)Differs556.3 mm894.9 mm
Depth (with stand)Differs251.9 mm293.5 mm
Height (with stand)Differs526.1 mm579.7 mm
Weight (with stand)Differs6.76 kg11.5 kg
Width (without stand)Differs556.3 mm894.9 mm
Depth (without stand)Differs73 mm130.1 mm
Height (without stand)Differs328.2 mm399.4 mm
Weight (without stand)Differs3.55 kg7.9 kg
Bezel width (side)Differs5.27 mm1.03 cm
Bezel width (top)Differs5.27 mm1.1 cm
Bezel width (bottom)Differs1.42 cm2.19 cm
Packaging data1 differ
Package weightDiffers11.2 kg19.3 kg
Package widthKnown for one321.1 mm
Package depthKnown for one1042.9 mm
Package heightKnown for one545.1 mm
Packaging contentidentical
Stand includedKnown for oneYes
Cables includedKnown for oneAC, DisplayPort, HDMI, USB
Quick start guideKnown for oneYes
Brand-specific featuresidentical
Dell Display Manager (DDM) compatibilityKnown for oneYes
Logistics dataidentical
Harmonized System (HS) code8528521085285210
Networkidentical
Wi-FiKnown for oneNo
Other featuresidentical
Ethernet LAN (RJ-45) portsKnown for one0

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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