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Product comparison · 2 video intercom systems

Dahua Technology VTO3311Q-WP video intercom system vs Dahua Technology VTO6521H-D video intercom system

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  • 26specifications compared
  • 14differ
  • 12identical
  • 43known for one product only

Key differences

The Dahua Technology VTO3311Q-WP video intercom system has 11.21° more viewing angle, horizontal than the Dahua Technology VTO6521H-D video intercom system (125° vs 113.79°). The Dahua Technology VTO3311Q-WP video intercom system has 3.5° more viewing angle, vertical than the Dahua Technology VTO6521H-D video intercom system (65° vs 61.5°). The Dahua Technology VTO6521H-D video intercom system has 2 W more power consumption (standby) than the Dahua Technology VTO3311Q-WP video intercom system (5 W vs 3 W). Video formats supported: H.264, H.265 on the Dahua Technology VTO3311Q-WP video intercom system, H.264 on the Dahua Technology VTO6521H-D video intercom system. Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO3311Q-WP video intercom system, 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO6521H-D video intercom system.

  • Video formats supported
    • H.264, H.265
    • H.264
  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.7 mm (1 / 2.7")
  • Viewing angle, horizontal
    • 125°
    • 113.79°
  • Viewing angle, vertical
    • 65°
    • 61.5°
  • Product colour
    • Grey
    • Silver
  • Power consumption (standby)
    • 3 W
    • 5 W
  • Operating temperature (T-T)
    • 10 - 90 °C
    • -30 - 60 °C
  • Width
    • 107.2 mm
    • 145.5 mm

Side by side

Differences highlightedShow differences only
69 specifications
A

Dahua Technology

VTO3311Q-WP video intercom system

Model VTO3311Q-WP

View product
B

Dahua Technology

VTO6521H-D video intercom system

Model VTO6521H-D

View product
Featuresidentical
Number of displays supportedKnown for one1
Maximum number of cameras supportedKnown for one1
SpeakerphoneKnown for oneYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneKnown for oneYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableKnown for oneYes
ColourKnown for oneNo
Number of buttonsKnown for one4 buttons
Display1 differ
Display diagonalKnown for one10.9 cm (4.3")
Display technologyKnown for oneIPS
Display resolutionKnown for one800 x 480 pixels
Video formats supportedDiffersH.264, H.265H.264
Camera3 differ
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Viewing angle, horizontalDiffers125°113.79°
Viewing angle, verticalDiffers65°61.5°
Digital zoomKnown for one139x
Audioidentical
Built-in speaker(s)Known for oneYes
Noise-cancelingKnown for oneYes
Voice codecsKnown for oneG.711u
Design2 differ
Product colourDiffersGreySilver
Control typeKnown for oneButtons, Touch
Housing materialDiffersAluminium, MetalAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useKnown for oneOutdoor
IK codeKnown for oneIK08
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
Network1 differ
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersRTSP; DNS; P2P; UPnP; RTP; RTMP; SIP; SSH; HTTP/ HTTPS; ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Softwareidentical
Operating system installedKnown for oneLinux
Power1 differ
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one100 mA
Power consumption (typical)Known for one18 W
Power consumption (standby)Differs3 W5 W
Operational conditions1 differ
Operating relative humidity (H-H)Known for one10 - 90%
Operating temperature (T-T)Differs10 - 90 °C-30 - 60 °C
Door station operating temperature (T-T)Known for one-40 - 60 °C
Weight & dimensions4 differ
WidthDiffers107.2 mm145.5 mm
DepthDiffers30 mm43.5 mm
HeightDiffers188.1 mm388.5 mm
WeightDiffers550 g1 kg
Packaging data1 differ
Package weightDiffers810 g1.29 kg
Logistics dataidentical
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneYes
CertificationKnown for oneCE; FCC
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Packaging contentidentical
Packaging contentKnown for oneAlarm power ribbon cable, rain cover

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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