Product comparison · 2 video intercom systems

Dahua Technology VTH8642KMS-W video intercom system vs Dahua Technology VTO7521G video intercom system

23specifications compared
12differ
11identical
40known for one product only

Key differences

The Dahua Technology VTO7521G video intercom system has 1 more maximum cameras supported than the Dahua Technology VTH8642KMS-W video intercom system (2 vs 1). The Dahua Technology VTH8642KMS-W video intercom system has 45 mm more width than the Dahua Technology VTO7521G video intercom system (190 mm vs 145 mm). The Dahua Technology VTH8642KMS-W video intercom system has 207 mm more depth than the Dahua Technology VTO7521G video intercom system (250 mm vs 43 mm). Display diagonal: 25.4 cm (10") on the Dahua Technology VTH8642KMS-W video intercom system, 20.3 cm (8") on the Dahua Technology VTO7521G video intercom system. Display technology: TFT on the Dahua Technology VTH8642KMS-W video intercom system, IPS on the Dahua Technology VTO7521G video intercom system.

Maximum number of cameras supported
- VTH8642KMS-W video intercom system:1
- VTO7521G video intercom system:2
Display diagonal
- VTH8642KMS-W video intercom system:25.4 cm (10")
- VTO7521G video intercom system:20.3 cm (8")
Display technology
- VTH8642KMS-W video intercom system:TFT
- VTO7521G video intercom system:IPS
Display resolution
- VTH8642KMS-W video intercom system:1024 x 600 pixels
- VTO7521G video intercom system:800 x 1280 pixels
Product colour
- VTH8642KMS-W video intercom system:Black, White
- VTO7521G video intercom system:Grey
Placement supported
- VTH8642KMS-W video intercom system:Horizontal
- VTO7521G video intercom system:Vertical
Operating relative humidity (H-H)
- VTH8642KMS-W video intercom system:10 - 95%
- VTO7521G video intercom system:10 - 90%
Operating temperature (T-T)
- VTH8642KMS-W video intercom system:-10 - 55 °C
- VTO7521G video intercom system:-20 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of VTH8642KMS-W, VTO7521G
63 specifications	A Dahua Technology VTH8642KMS-W video intercom system Model VTH8642KMS-W View product	B Dahua Technology VTO7521G video intercom system Model VTO7521G View product
Features1 differ
ColourKnown for one	Unknown — not stated by the source	Yes
Maximum number of cameras supportedDiffers	1	2
RFID readerKnown for one	Unknown — not stated by the source	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Automatic gain controlKnown for one	Unknown — not stated by the source	Yes
Door station controlKnown for one	Unknown — not stated by the source	Yes
Motion detection functionKnown for one	Unknown — not stated by the source	Yes
VoIP protocolsKnown for one	Unknown — not stated by the source	IPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Display3 differ
Display diagonalDiffers	25.4 cm (10")	20.3 cm (8")
Display technologyDiffers	TFT	IPS
Display resolutionDiffers	1024 x 600 pixels	800 x 1280 pixels
Cameraidentical
Megapixel (approx.)Known for one	Unknown — not stated by the source	2 MP
Sensor typeKnown for one	Unknown — not stated by the source	CMOS
Optical sensor sizeKnown for one	Unknown — not stated by the source	25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	88°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	47°
Audioidentical
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Voice codecsKnown for one	G.711Mu, G.711a, G.711u	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black, White	Grey
IK codeKnown for one	Unknown — not stated by the source	IK07
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP66
Housing materialKnown for one	Unknown — not stated by the source	Acrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC)
Placement supportedDiffers	Horizontal	Vertical
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	Yes
Supported network protocolsKnown for one	Unknown — not stated by the source	IPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Poweridentical
Indoor unit power typeKnown for one	Unknown — not stated by the source	DC
AC adapter output voltageKnown for one	Unknown — not stated by the source	12 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2 A
Power consumptionKnown for one	Unknown — not stated by the source	100 mA
Power consumption (typical)Known for one	Unknown — not stated by the source	24 W
Outdoor unit power typeKnown for one	DC	Unknown — not stated by the source
Operational conditions2 differ
Operating relative humidity (H-H)Differs	10 - 95%	10 - 90%
Operating temperature (T-T)Differs	-10 - 55 °C	-20 - 60 °C
Weight & dimensions3 differ
WidthDiffers	190 mm	145 mm
DepthDiffers	250 mm	43 mm
HeightDiffers	23.5 mm	389 mm
WeightKnown for one	670 g	Unknown — not stated by the source
Packaging data1 differ
Package widthKnown for one	Unknown — not stated by the source	182 mm
Package depthKnown for one	Unknown — not stated by the source	104 mm
Package heightKnown for one	Unknown — not stated by the source	413 mm
Package weightDiffers	850 g	1.91 kg
Logistics dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Minimum order quantityKnown for one	Unknown — not stated by the source	1 pc(s)
Storageidentical
Memory card slotKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	SD	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC)	Unknown — not stated by the source

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 VTH8642KMS-W video intercom system vs Dahua Technology VTO7521G video intercom system

Key differences

Side by side

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