Product comparison · 2 video intercom systems

Dahua Technology VTH2421FB video intercom system vs Dahua Technology VTH8641KMS-WP video intercom system

21specifications compared
10differ
11identical
32known for one product only

Key differences

The Dahua Technology VTH2421FB video intercom system has 31.5 mm more width than the Dahua Technology VTH8641KMS-WP video intercom system (221.5 mm vs 190 mm). The Dahua Technology VTH8641KMS-WP video intercom system has 228.5 mm more depth than the Dahua Technology VTH2421FB video intercom system (250 mm vs 21.5 mm). The Dahua Technology VTH2421FB video intercom system has 96.1 mm more height than the Dahua Technology VTH8641KMS-WP video intercom system (119.6 mm vs 23.5 mm). Only the Dahua Technology VTH8641KMS-WP video intercom system has outdoor unit included. Display diagonal: 17.8 cm (7") on the Dahua Technology VTH2421FB video intercom system, 25.4 cm (10") on the Dahua Technology VTH8641KMS-WP video intercom system.

Display diagonal
- VTH2421FB video intercom system:17.8 cm (7")
- VTH8641KMS-WP video intercom system:25.4 cm (10")
Display technology
- VTH2421FB video intercom system:LCD
- VTH8641KMS-WP video intercom system:TFT
Voice codecs
- VTH2421FB video intercom system:G.711
- VTH8641KMS-WP video intercom system:G.711a, G.711u, PCM
Product colour
- VTH2421FB video intercom system:Black
- VTH8641KMS-WP video intercom system:White
Ethernet LAN data rates
- VTH2421FB video intercom system:10,100 Mbit/s
- VTH8641KMS-WP video intercom system:10,1000 Mbit/s
Width
- VTH2421FB video intercom system:221.5 mm
- VTH8641KMS-WP video intercom system:190 mm
Depth
- VTH2421FB video intercom system:21.5 mm
- VTH8641KMS-WP video intercom system:250 mm
Height
- VTH2421FB video intercom system:119.6 mm
- VTH8641KMS-WP video intercom system:23.5 mm

Side by side

Differences highlightedShow differences only

Comparison of VTH2421FB, VTH8641KMS-WP
53 specifications	A Dahua Technology VTH2421FB video intercom system Model VTH2421FB View product	B Dahua Technology VTH8641KMS-WP video intercom system Model VTH8641KMS-WP View product
Featuresidentical
Maximum number of cameras supportedKnown for one	Unknown — not stated by the source	1
Automatic gain controlKnown for one	Unknown — not stated by the source	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Motion detection functionKnown for one	Unknown — not stated by the source	Yes
ColourKnown for one	Yes	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	17.8 cm (7")	25.4 cm (10")
Display technologyDiffers	LCD	TFT
Backlight displayKnown for one	Yes	Unknown — not stated by the source
Video formats supportedKnown for one	H.264	Unknown — not stated by the source
Audio1 differ
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Voice codecsDiffers	G.711	G.711a, G.711u, PCM
Number of speakersKnown for one	1	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black	White
Control typeKnown for one	Unknown — not stated by the source	Touch
Housing materialKnown for one	Unknown — not stated by the source	Metal
Proper useKnown for one	Unknown — not stated by the source	Outdoor
Storageidentical
Memory card slotKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
Maximum memory card sizeKnown for one	Unknown — not stated by the source	64 GB
Network1 differ
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,1000 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	Yes
Supported network protocolsKnown for one	TCP/IP	Unknown — not stated by the source
Poweridentical
Outdoor unit power typeKnown for one	Unknown — not stated by the source	DC
Indoor unit power typeKnown for one	DC	Unknown — not stated by the source
Power consumption (typical)Known for one	7 W	Unknown — not stated by the source
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	10 - 95 °C
Weight & dimensions4 differ
WidthDiffers	221.5 mm	190 mm
DepthDiffers	21.5 mm	250 mm
HeightDiffers	119.6 mm	23.5 mm
WeightDiffers	350 g	670 g
Packaging data1 differ
Outdoor unit includedDiffers	No	Yes
Package weightKnown for one	Unknown — not stated by the source	850 g
Indoor unit includedKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC)
Sustainability complianceKnown for one	Unknown — not stated by the source	Yes

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.

Dahua Technology VTH2421FB video intercom system vs Dahua Technology VTH8641KMS-WP video intercom system

Key differences

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