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Product comparison · 2 monitors

Alienware AW2521H computer monitor vs Alienware AW3423DW computer monitor

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  • 90specifications compared
  • 45differ
  • 45identical
  • 38known for one product only

Key differences

  • Display diagonal
    • 62.2 cm (24.5")
    • 86.8 cm (34.2")
  • Display resolution
    • 1920 x 1080 pixels
    • 3440 x 1440 pixels
  • Native aspect ratio
    • 16:9
    • 21:9
  • Display technology
    • LCD
    • OLED
  • HD type
    • Full HD
    • Quad HD
  • Display brightness (typical)
    • 400 cd/m²
    • 250 cd/m²
  • Response time
    • 1 ms
    • 0.1 ms
  • Screen shape
    • Flat
    • Curved

Side by side

Differences highlightedShow differences only
128 specifications
A

Alienware

AW2521H computer monitor

Model AW2521H

View product
B

Alienware

AW3423DW computer monitor

Model AW3423DW

View product
Display20 differ
Display diagonalDiffers62.2 cm (24.5")86.8 cm (34.2")
Display resolutionDiffers1920 x 1080 pixels3440 x 1440 pixels
Native aspect ratioDiffers16:921:9
Display technologyDiffersLCDOLED
TouchscreenNoNo
HD typeDiffersFull HDQuad HD
Display brightness (typical)Differs400 cd/m²250 cd/m²
Response timeDiffers1 ms0.1 ms
Anti-glare screenKnown for oneYes
Screen shapeDiffersFlatCurved
Screen curvature ratingKnown for one1800R
Supported graphics resolutionsDiffers1920 x 1080 (HD 1080)640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 720 (HD 720), 1920 x 1080 (HD 1080), 2560 x 1440, 3440 x 1440
Supported video modes480p, 576p, 720p, 1080p480p, 576p, 720p, 1080p
Contrast ratio (typical)Differs1000:11000000:1
Contrast ratio (dynamic)Known for one1000000:1
Maximum refresh rateDiffers360 Hz175 Hz
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursDiffers16.7 million colours1.07 billion colours
Pixel pitchKnown for one0.23 x 0.23 mm
Pixel densityDiffers89.91 ppi110 ppi
Viewable size, horizontalDiffers54.3 cm80 cm
Viewable size, verticalDiffers30.3 cm33.7 cm
Viewable size diagonalDiffers62.2 cm86.8 cm
Display diagonal (metric)Differs62.23 cm86.82 cm
High Dynamic Range (HDR) supportedYesYes
High Dynamic Range (HDR) technologyDiffersHigh Dynamic Range 10 (HDR10)High Dynamic Range (HDR) 400
DDC/CIKnown for oneYes
Colour depthKnown for one10 bit
Colour gamut standardDifferssRGBDCI-P3
Colour gamutDiffers99%99.3%
sRGB coverage (typical)Known for one149%
Heat dissipationKnown for one684 BTU/h
Heat dissipation (typical)Known for one144.67 BTU/h
Panel typeKnown for oneIPS
Backlight typeKnown for oneLED
Response time (fast)Known for one3 ms
Horizontal scan rangeKnown for one30 - 291 kHz
Vertical scan rangeKnown for one24 - 240 Hz
Performance2 differ
NVIDIA G-SYNCYesYes
AMD FreeSyncDiffersNoYes
NVIDIA G-SYNC typeDiffersG-SYNCG-SYNC ULTIMATE
Flicker-free technologyYesYes
Low Blue Light technologyKnown for oneYes
Smart modesKnown for oneRPG, Sports
Multimediaidentical
Built-in speaker(s)NoNo
Built-in cameraNoNo
Design1 differ
Market positioningGamingGaming
Product colourDiffersBlackWhite, Black
Front bezel colourKnown for oneBlack
Detachable standKnown for oneYes
Ports & interfacesidentical
Built-in USB hubYesYes
USB hub version3.2 Gen 1 (3.1 Gen 1)3.2 Gen 1 (3.1 Gen 1)
Number of upstream ports11
USB Type-A downstream ports quantity44
DVI portNoNo
HDMIYesYes
HDMI ports quantity22
HDMI version2.02.0
DisplayPorts quantity11
DisplayPort version1.41.4
Audio outputYesYes
Headphone outYesYes
Headphone outputsKnown for one1
Headphone connectivityKnown for one3.5 mm
HDCPKnown for oneYes
Audio inputKnown for oneNo
Networkidentical
Wi-FiKnown for oneNo
Ergonomics2 differ
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotYesYes
Height adjustmentYesYes
Adjustable height (max)Differs13 cm11 cm
PivotDiffersYesNo
SwivellingYesYes
Swivel angle range-20 - 20°-20 - 20°
Tilt adjustmentYesYes
Tilt angle range-5 - 21°-5 - 21°
On Screen Display (OSD)YesYes
Plug and PlayYesYes
LED indicatorsKnown for oneYes
Pivot angleKnown for one-90 - 90°
Power7 differ
Energy efficiency class (SDR)DiffersEG
Energy efficiency class (HDR)DiffersEG
Energy consumption (SDR) per 1000 hoursDiffers19 kWh34 kWh
Energy consumption (HDR) per 1000 hoursDiffers18 kWh36 kWh
Power consumption (typical)Differs19.1 W42.3 W
Power consumption (standby)0.5 W0.5 W
Power consumption (max)Differs83 W200 W
Power consumption (off)0.3 W0.3 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Input currentDiffers1.2 A3 A
Power supply typeKnown for oneInternal
Energy efficiency scaleA to GA to G
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)Known for one10 - 90%
Operating altitude0 - 5000 m0 - 5000 m
Non-operating altitude0 - 12192 m0 - 12192 m
Weight & dimensions11 differ
Width (with stand)Differs556.3 mm815.2 mm
Depth (with stand)Differs251.9 mm305.7 mm
Height (with stand)Differs526.1 mm415.6 mm
Weight (with stand)Differs7.7 kg9.88 kg
Width (without stand)Differs556.3 mm815.2 mm
Depth (without stand)Differs84.4 mm137.1 mm
Height (without stand)Differs328.2 mm364.1 mm
Weight (without stand)Differs4.5 kg6.92 kg
Bezel width (side)Differs6.6 mm1.1 cm
Bezel width (top)Differs6.3 mm4.65 mm
Bezel width (bottom)Differs1.94 cm2.06 cm
Packaging data1 differ
Package weightDiffers12.3 kg15.9 kg
Package widthKnown for one265.9 mm
Package depthKnown for one736.1 mm
Package heightKnown for one510 mm
Packaging content1 differ
Stand includedYesYes
Cables includedDiffersAC, DisplayPort, DisplayPort to Mini DisplayPort, USBDisplayPort, DisplayPort to Mini DisplayPort, HDMI, USB Type-A
Quick start guideYesYes
DisplayPort cable lengthKnown for one1.8 m
HDMI cable lengthKnown for one1.8 m
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Doesn't containKnown for oneArsenic
Other featuresidentical
Compliance certificatesKnown for oneRoHS
Heavy metals freeHg (mercury)Hg (mercury)
Ethernet LAN (RJ-45) portsKnown for one0
Power managementKnown for oneYes
Logistics dataidentical
Harmonized System (HS) codeKnown for one85285210

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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