Product comparison · 2 video intercom systems

Dahua Technology VTH8642KMS-W video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

13specifications compared
10differ
3identical
42known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 216 mm more width than the Dahua Technology VTH8642KMS-W video intercom system (406 mm vs 190 mm). The Dahua Technology VTH8642KMS-W video intercom system has 107 mm more depth than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (250 mm vs 143 mm). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 30.5 mm more height than the Dahua Technology VTH8642KMS-W video intercom system (54 mm vs 23.5 mm). 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-S2 IP Apartment Door Station. Display resolution: 1024 x 600 pixels on the Dahua Technology VTH8642KMS-W video intercom system, 800 x 480 pixels on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Display diagonal
- VTH8642KMS-W video intercom system:25.4 cm (10")
- VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
Display resolution
- VTH8642KMS-W video intercom system:1024 x 600 pixels
- VTO6521K-S2 IP Apartment Door Station:800 x 480 pixels
Voice codecs
- VTH8642KMS-W video intercom system:G.711Mu, G.711a, G.711u
- VTO6521K-S2 IP Apartment Door Station:G.711a, G.711u, PCM
Product colour
- VTH8642KMS-W video intercom system:Black, White
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Operating relative humidity (H-H)
- VTH8642KMS-W video intercom system:10 - 95%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%
Operating temperature (T-T)
- VTH8642KMS-W video intercom system:-10 - 55 °C
- VTO6521K-S2 IP Apartment Door Station:-30 - 60 °C
Width
- VTH8642KMS-W video intercom system:190 mm
- VTO6521K-S2 IP Apartment Door Station:406 mm
Depth
- VTH8642KMS-W video intercom system:250 mm
- VTO6521K-S2 IP Apartment Door Station:143 mm

Side by side

Differences highlightedShow differences only

Comparison of VTH8642KMS-W, VTO6521K-S2
55 specifications	A Dahua Technology VTH8642KMS-W video intercom system Model VTH8642KMS-W View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
Connectivity technology	Wired	Wired
Speakerphone	Yes	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Number of displays supportedKnown for one	1	Unknown — not stated by the source
Maximum number of cameras supportedKnown for one	1	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	25.4 cm (10")	10.9 cm (4.3")
Display resolutionDiffers	1024 x 600 pixels	800 x 480 pixels
Display technologyKnown for one	TFT	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
Cameraidentical
Megapixel (approx.)Known for one	Unknown — not stated by the source	2 MP
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
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")
Maximum frame rateKnown for one	Unknown — not stated by the source	25 fps
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	95°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	50°
Audio1 differ
Built-in speaker(s)	Yes	Yes
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Voice codecsDiffers	G.711Mu, G.711a, G.711u	G.711a, G.711u, PCM
Design1 differ
Product colourDiffers	Black, White	Stainless steel
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP65
Control typeKnown for one	Touch	Unknown — not stated by the source
Placement supportedKnown for one	Horizontal	Unknown — not stated by the source
Proper useKnown for one	Outdoor	Unknown — not stated by the source
Indoor unitidentical
Alarm input channelsKnown for one	Unknown — not stated by the source	2
RS-485 portsKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Fast Ethernet
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Supported network protocolsKnown for one	Unknown — not stated by the source	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
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
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Linux
Poweridentical
Indoor unit power typeKnown for one	Unknown — not stated by the source	DC/PoE
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 consumption (typical)Known for one	Unknown — not stated by the source	18 W
Power consumption (standby)Known for one	Unknown — not stated by the source	5 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%	0 - 90%
Operating temperature (T-T)Differs	-10 - 55 °C	-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers	190 mm	406 mm
DepthDiffers	250 mm	143 mm
HeightDiffers	23.5 mm	54 mm
WeightDiffers	670 g	2.3 kg
Packaging dataidentical
Indoor unit includedKnown for one	Unknown — not stated by the source	Yes
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Package weightKnown for one	850 g	Unknown — not stated by the source
Technical detailsidentical
CertificationKnown for one	Unknown — not stated by the source	CE
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC)	Unknown — not stated by the source
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

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 VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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