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Product comparison · 2 video intercom systems

Dahua Technology VTH8642KMS-W video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 24specifications compared
  • 14differ
  • 10identical
  • 41known for one product only

Key differences

The Dahua Technology VTH8642KMS-W video intercom system has 47 mm more width than the Dahua Technology VTO6521K video intercom system (190 mm vs 143 mm). The Dahua Technology VTH8642KMS-W video intercom system has 196 mm more depth than the Dahua Technology VTO6521K video intercom system (250 mm vs 54 mm). The Dahua Technology VTO6521K video intercom system has 382.5 mm more height than the Dahua Technology VTH8642KMS-W video intercom system (406 mm vs 23.5 mm). Only the Dahua Technology VTH8642KMS-W video intercom system has touchscreen. Display diagonal: 25.4 cm (10") on the Dahua Technology VTH8642KMS-W video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K video intercom system.

  • Display diagonal
    • 25.4 cm (10")
    • 10.9 cm (4.3")
  • Display technology
    • TFT
    • LCD
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 480 pixels
  • Touchscreen
    • Yes
    • No
  • Voice codecs
    • G.711Mu, G.711a, G.711u
    • G.711a, G.711u, PCM
  • Product colour
    • Black, White
    • Stainless steel
  • Control type
    • Touch
    • Buttons
  • Placement supported
    • Horizontal
    • Vertical

Side by side

Differences highlightedShow differences only
65 specifications
A

Dahua Technology

VTH8642KMS-W video intercom system

Model VTH8642KMS-W

View product
B

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
Featuresidentical
Connectivity technologyWiredWired
ColourKnown for oneNo
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
Number of displays supportedKnown for one1
Display4 differ
Display diagonalDiffers25.4 cm (10")10.9 cm (4.3")
Display technologyDiffersTFTLCD
Display resolutionDiffers1024 x 600 pixels800 x 480 pixels
TouchscreenDiffersYesNo
Video formats supportedKnown for oneH.264
Touchscreen typeKnown for oneCapacitive
Cameraidentical
Megapixel (approx.)Known for one2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalKnown for one86.4°
Viewing angle, verticalKnown for one46.2°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711Mu, G.711a, G.711uG.711a, G.711u, PCM
Design3 differ
Product colourDiffersBlack, WhiteStainless steel
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Control typeDiffersTouchButtons
Housing materialKnown for oneStainless steel
Placement supportedDiffersHorizontalVertical
Proper useOutdoorOutdoor
Networkidentical
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsKnown for oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Softwareidentical
Operating system installedKnown for oneLinux
Poweridentical
Outdoor unit power typeDCDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one200 mA
Power consumption (typical)Known for one18 W
Power consumption (standby)Known for one5 W
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%10 - 90%
Operating temperature (T-T)Differs-10 - 55 °C-30 - 60 °C
Weight & dimensions3 differ
WidthDiffers190 mm143 mm
DepthDiffers250 mm54 mm
HeightDiffers23.5 mm406 mm
WeightKnown for one670 g
Packaging data1 differ
Outdoor unit includedYesYes
Package weightDiffers850 g2.05 kg
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
Compliance certificatesCE, Federal Communications Commission (FCC)CE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneYes
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneSD

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