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Product comparison · 2 video intercom systems

Dahua Technology VTH2421FW-P video intercom system vs Dahua Technology VTO3221E-P video intercom system

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  • 25specifications compared
  • 15differ
  • 10identical
  • 35known for one product only

Key differences

The Dahua Technology VTO3221E-P video intercom system has 1 W more power consumption (typical) than the Dahua Technology VTH2421FW-P video intercom system (7 W vs 6 W). The Dahua Technology VTH2421FW-P video intercom system has 2 W more power consumption (standby) than the Dahua Technology VTO3221E-P video intercom system (4 W vs 2 W). The Dahua Technology VTO3221E-P video intercom system has 10 - 95% more operating relative humidity (H-H) than the Dahua Technology VTH2421FW-P video intercom system (20 - 95% vs 10 - 95%). Only the Dahua Technology VTH2421FW-P video intercom system has colour. Only the Dahua Technology VTH2421FW-P video intercom system has touchscreen.

  • Colour
    • Yes
    • No
  • Display diagonal
    • 17.8 cm (7")
    • 5.84 cm (2.3")
  • Display technology
    • LCD/TFT
    • OLED
  • Touchscreen
    • Yes
    • No
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711
  • Product colour
    • Black, White
    • Aluminium
  • Power consumption (typical)
    • 6 W
    • 7 W
  • Power consumption (standby)
    • 4 W
    • 2 W

Side by side

Differences highlightedShow differences only
60 specifications
A

Dahua Technology

VTH2421FW-P video intercom system

Model VTH2421FW-P

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
SpeakerphoneYesYes
RFID readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneTCP/IP
Wall mountableYesYes
Video codecsKnown for oneH.264
Display3 differ
Display diagonalDiffers17.8 cm (7")5.84 cm (2.3")
Display technologyDiffersLCD/TFTOLED
TouchscreenDiffersYesNo
Video formats supportedKnown for oneH.264
Display resolutionKnown for one1024 x 600 pixels
Touchscreen typeKnown for oneCapacitive
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°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711
Speaker powerKnown for one1.5 W
Design1 differ
Product colourDiffersBlack, WhiteAluminium
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Control typeKnown for oneButtons
Housing materialKnown for oneAluminium
Placement supportedKnown for oneVertical
Proper useKnown for oneOutdoor
Networkidentical
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) ports11
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Networking standardsIEEE 802.3afIEEE 802.3af
Supported network protocolsTCP/IPTCP/IP
Softwareidentical
Operating system installedKnown for oneLinux
Power2 differ
Outdoor unit power typeKnown for oneDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumption (typical)Differs6 W7 W
Power consumption (standby)Differs4 W2 W
Indoor unit power typeKnown for oneDC
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%20 - 95%
Operating temperature (T-T)Differs-10 - 55 °C-40 - 60 °C
Weight & dimensions4 differ
WidthDiffers221.5 mm98 mm
DepthDiffers21.5 mm32 mm
HeightDiffers119.6 mm200 mm
WeightDiffers350 g1.5 kg
Packaging data1 differ
Outdoor unit includedDiffersNoYes
Indoor unit includedKnown for oneYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
CertificationKnown for oneEN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013 IEC 60950-1:2005 (Second Edition); Am1:2009 + Am2:2013 FCC CFR 47 Part 15 subpart B EN 55032:2015; EN 610003 2:2014; EN 61000 3 3:2013; EN 55024:2010/A1:2015; EN 55035:2017; EN 50130 4:2011/A1:2014

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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