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Product comparison · 2 video intercom systems

Dahua Technology VTH5421EW-H video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

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  • 23specifications compared
  • 16differ
  • 7identical
  • 36known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 13 W more power consumption (typical) than the Dahua Technology VTH5421EW-H video intercom system (18 W vs 5 W). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 3 W more power consumption (standby) than the Dahua Technology VTH5421EW-H video intercom system (5 W vs 2 W). The Dahua Technology VTH5421EW-H video intercom system has 10 - 90% more operating relative humidity (H-H) than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (10 - 90% vs 0 - 90%). Connectivity technology: Wired & Wireless on the Dahua Technology VTH5421EW-H video intercom system, Wired on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Display diagonal: 17.8 cm (7") on the Dahua Technology VTH5421EW-H video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Display diagonal
    • 17.8 cm (7")
    • 10.9 cm (4.3")
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 480 pixels
  • Voice codecs
    • PCM
    • G.711a, G.711u, PCM
  • Product colour
    • White
    • Stainless steel
  • Indoor unit power type
    • DC
    • DC/PoE
  • Power consumption (typical)
    • 5 W
    • 18 W
  • Power consumption (standby)
    • 2 W
    • 5 W

Side by side

Differences highlightedShow differences only
59 specifications
A

Dahua Technology

VTH5421EW-H video intercom system

Model VTH5421EW-H

View product
B

Dahua Technology

VTO6521K-S2 IP Apartment Door Station

Model VTO6521K-S2

View product
Features1 differ
Connectivity technologyDiffersWired & WirelessWired
ColourKnown for oneYes
Number of displays supportedKnown for one1
Built-in microphoneKnown for oneYes
Video codecsKnown for oneH.264
Wall mountableKnown for oneYes
Echo cancellationKnown for oneYes
Display2 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyKnown for oneTFT
Display resolutionDiffers1024 x 600 pixels800 x 480 pixels
Backlight displayKnown for oneYes
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Audio1 differ
Voice codecsDiffersPCMG.711a, G.711u, PCM
Noise-cancelingKnown for oneYes
Design1 differ
Product colourDiffersWhiteStainless steel
Indoor unit housing materialKnown for oneABS, Polycarbonate
Control typeKnown for oneTouch
Proper useKnown for oneIndoor
International Protection (IP) codeKnown for oneIP65
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneSD
Maximum memory card sizeKnown for one32 GB
Network1 differ
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersIPv4, DNS, RTSP, RTP, TCP, UDP, SIPFTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Power3 differ
Indoor unit power typeDiffersDCDC/PoE
Power consumption (typical)Differs5 W18 W
Power consumption (standby)Differs2 W5 W
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 90%0 - 90%
Operating temperature (T-T)Differs-10 - 55 °C-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers236 mm406 mm
DepthDiffers129.8 mm143 mm
HeightDiffers23 mm54 mm
WeightDiffers566 g2.3 kg
Packaging dataidentical
Outdoor unit includedKnown for oneNo
Package weightKnown for one917 g
Technical details1 differ
Compliance certificatesKnown for oneCE
CertificationDiffersFCCCE
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 one25 fps
Viewing angle, horizontalKnown for one95°
Viewing angle, verticalKnown for one50°
Indoor unitidentical
Alarm input channelsKnown for one2
RS-485 portsKnown for one1

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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