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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTO3221E-P video intercom system

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  • 22specifications compared
  • 11differ
  • 11identical
  • 38known for one product only

Key differences

The Dahua Technology VTO3221E-P video intercom system has 0.5 W more power consumption (standby) than the Dahua Technology VTH1520A video intercom system (2 W vs 1.5 W). The Dahua Technology VTH1520A video intercom system has 123.2 mm more width than the Dahua Technology VTO3221E-P video intercom system (221.2 mm vs 98 mm). The Dahua Technology VTO3221E-P video intercom system has 6.2 mm more depth than the Dahua Technology VTH1520A video intercom system (32 mm vs 25.8 mm). Only the Dahua Technology VTH1520A video intercom system has colour. Display diagonal: 17.8 cm (7") on the Dahua Technology VTH1520A video intercom system, 5.84 cm (2.3") on the Dahua Technology VTO3221E-P video intercom system.

  • Colour
    • Yes
    • No
  • Display diagonal
    • 17.8 cm (7")
    • 5.84 cm (2.3")
  • Display technology
    • LCD/TFT
    • OLED
  • Product colour
    • White
    • Aluminium
  • Proper use
    • Indoor & outdoor
    • Outdoor
  • Power consumption (standby)
    • 1.5 W
    • 2 W
  • Operating relative humidity (H-H)
    • 10 - 90%
    • 20 - 95%
  • Width
    • 221.2 mm
    • 98 mm

Side by side

Differences highlightedShow differences only
60 specifications
A

Dahua Technology

VTH1520A video intercom system

Model VTH1520A

View product
B

Dahua Technology

VTO3221E-P video intercom system

Model VTO3221E-P

View product
Features1 differ
Connectivity technologyWiredWired
ColourDiffersYesNo
Maximum number of cameras supportedKnown for one1
SpeakerphoneKnown for oneYes
RFID readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneTCP/IP
Wall mountableYesYes
Display2 differ
Display diagonalDiffers17.8 cm (7")5.84 cm (2.3")
Display technologyDiffersLCD/TFTOLED
TouchscreenKnown for oneNo
Video formats supportedKnown for oneH.264
Display resolutionKnown for one800 x 480 pixels
Night visionidentical
Night visionKnown for oneYes
Cameraidentical
Megapixel (approx.)Known for one2 MP
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.9 mm (1 / 2.9")
Viewing angle, horizontalKnown for one140°
Viewing angle, verticalKnown for one82°
Audioidentical
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsG.711G.711
Design2 differ
Product colourDiffersWhiteAluminium
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Control typeButtonsButtons
Housing materialKnown for oneAluminium
Placement supportedKnown for oneVertical
Proper useDiffersIndoor & outdoorOutdoor
Smartphone supportKnown for oneYes
Networkidentical
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Networking standardsKnown for oneIEEE 802.3af
Supported network protocolsTCP/IPTCP/IP
Softwareidentical
Operating system installedKnown for oneLinux
Power1 differ
Outdoor unit power typeKnown for oneDC
AC adapter output voltage12 V12 V
AC adapter output currentKnown for one2 A
Power consumption (typical)7 W7 W
Power consumption (standby)Differs1.5 W2 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 90%20 - 95%
Operating temperature (T-T)Known for one-40 - 60 °C
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers221.2 mm98 mm
DepthDiffers25.8 mm32 mm
HeightDiffers154.3 mm200 mm
WeightDiffers800 g1.5 kg
Packaging dataidentical
Outdoor unit includedKnown for oneYes
Indoor unit includedKnown for oneYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one4 GB

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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