Product comparison · 2 video intercom systems

Dahua Technology VTH2421FW video intercom system vs Dahua Technology VTS8340B-CG video intercom system

24specifications compared
13differ
11identical
30known for one product only

Key differences

The Dahua Technology VTS8340B-CG video intercom system has 3 more displays supported than the Dahua Technology VTH2421FW video intercom system (4 vs 1). The Dahua Technology VTS8340B-CG video intercom system has 17 W more power consumption (typical) than the Dahua Technology VTH2421FW video intercom system (24 W vs 7 W). The Dahua Technology VTH2421FW video intercom system has 5 - 90% more operating relative humidity (H-H) than the Dahua Technology VTS8340B-CG video intercom system (10 - 90% vs 5 - 90%). Display diagonal: 17.8 cm (7") on the Dahua Technology VTH2421FW video intercom system, 25.4 cm (10") on the Dahua Technology VTS8340B-CG video intercom system. Display technology: LCD on the Dahua Technology VTH2421FW video intercom system, TFT on the Dahua Technology VTS8340B-CG video intercom system.

Number of displays supported
- VTH2421FW video intercom system:1
- VTS8340B-CG video intercom system:4
Display diagonal
- VTH2421FW video intercom system:17.8 cm (7")
- VTS8340B-CG video intercom system:25.4 cm (10")
Display technology
- VTH2421FW video intercom system:LCD
- VTS8340B-CG video intercom system:TFT
Product colour
- VTH2421FW video intercom system:Black, White
- VTS8340B-CG video intercom system:Grey
Ethernet interface type
- VTH2421FW video intercom system:Fast Ethernet
- VTS8340B-CG video intercom system:Gigabit Ethernet
Ethernet LAN data rates
- VTH2421FW video intercom system:10,100 Mbit/s
- VTS8340B-CG video intercom system:100,1000 Mbit/s
Supported network protocols
- VTH2421FW video intercom system:TCP/IP
- VTS8340B-CG video intercom system:IPv4; RTSP; RTP; TCP; UDP
Operating system installed
- VTH2421FW video intercom system:Linux
- VTS8340B-CG video intercom system:Embedded LINUX

Side by side

Differences highlightedShow differences only

Comparison of VTH2421FW, VTS8340B-CG
54 specifications	A Dahua Technology VTH2421FW video intercom system Model VTH2421FW View product	B Dahua Technology VTS8340B-CG video intercom system Model VTS8340B-CG View product
Features1 differ
Number of displays supportedDiffers	1	4
Maximum number of cameras supportedKnown for one	Unknown — not stated by the source	4
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Number of buttonsKnown for one	Unknown — not stated by the source	2 buttons
ResolutionKnown for one	Unknown — not stated by the source	1024
Viewing angleKnown for one	Unknown — not stated by the source	72°
Wall mountableKnown 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
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
Video formats supportedKnown for one	H.264	Unknown — not stated by the source
Cameraidentical
Megapixel (approx.)Known for one	Unknown — not stated by the source	5 MP
Sensor typeKnown for one	Unknown — not stated by the source	CMOS
Field of view (FOV) angleKnown for one	Unknown — not stated by the source	72°
Maximum frame rateKnown for one	Unknown — not stated by the source	25 fps
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	57°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	45°
Audioidentical
Voice codecsKnown for one	G.711	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black, White	Grey
Control typeKnown for one	Unknown — not stated by the source	Buttons
Housing materialKnown for one	Unknown — not stated by the source	Acrylonitrile butadiene styrene (ABS)
Proper useKnown for one	Unknown — not stated by the source	Indoor
Placement supportedKnown for one	Horizontal	Unknown — not stated by the source
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
Network3 differ
Ethernet interface typeDiffers	Fast Ethernet	Gigabit Ethernet
Ethernet LAN data ratesDiffers	10,100 Mbit/s	100,1000 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Supported network protocolsDiffers	TCP/IP	IPv4; RTSP; RTP; TCP; UDP
Software1 differ
Operating system installedDiffers	Linux	Embedded LINUX
Power1 differ
Power consumption (typical)Differs	7 W	24 W
Power consumption (standby)Known for one	1 W	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	5 - 90%
Weight & dimensions3 differ
WidthDiffers	221.5 mm	345 mm
DepthDiffers	21.5 mm	224.6 mm
HeightDiffers	119.6 mm	64.4 mm
WeightKnown for one	350 g	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	2.5 kg
Logistics dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Technical detailsidentical
CertificationKnown for one	Unknown — not stated by the source	CE, FCC

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 VTH2421FW video intercom system vs Dahua Technology VTS8340B-CG video intercom system

Key differences

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