Product comparison · 2 wireless routers

D-Link DIR-620/S/G1A wireless router Fast Ethernet Black vs D-Link DIR-651/A/A2A wireless router Gigabit Ethernet Black

33specifications compared
12differ
21identical
29known for one product only

Key differences

Ethernet LAN
- DIR-620/S/G1A wireless router Fast Ethernet Black:Yes
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:No
Ethernet LAN interface type
- DIR-620/S/G1A wireless router Fast Ethernet Black:Fast Ethernet
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:Gigabit Ethernet
Ethernet LAN data rates
- DIR-620/S/G1A wireless router Fast Ethernet Black:10,100 Mbit/s
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:10,100,1000 Mbit/s
Cabling technology
- DIR-620/S/G1A wireless router Fast Ethernet Black:10/100Base-T(X)
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:10/100/1000Base-T(X)
3G
- DIR-620/S/G1A wireless router Fast Ethernet Black:Yes
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:No
4G
- DIR-620/S/G1A wireless router Fast Ethernet Black:Yes
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:No
Ethernet LAN (RJ-45) ports
- DIR-620/S/G1A wireless router Fast Ethernet Black:5
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:4
Storage relative humidity (H-H)
- DIR-620/S/G1A wireless router Fast Ethernet Black:5 - 95%
- DIR-651/A/A2A wireless router Gigabit Ethernet Black:15 - 95%

Side by side

Differences highlightedShow differences only

Comparison of DIR-620/S/G1A, DIR-651/A/A2A
62 specifications	A D-Link DIR-620/S/G1A wireless router Fast Ethernet Black Model DIR-620/S/G1A View product	B D-Link DIR-651/A/A2A wireless router Gigabit Ethernet Black Model DIR-651/A/A2A View product
WAN connectionidentical
Ethernet WAN	Yes	Yes
Wireless LAN featuresidentical
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)Known for one	Unknown — not stated by the source	300 Mbit/s
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi bandKnown for one	No	Unknown — not stated by the source
ModulationKnown for one	16-QAM, 64-QAM, BPSK, CCK, DBPSK, DQPSK, DSSS, OFDM, QPSK	Unknown — not stated by the source
Network5 differ
Ethernet LANDiffers	Yes	No
Ethernet LAN interface typeDiffers	Fast Ethernet	Gigabit Ethernet
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Cabling technologyDiffers	10/100Base-T(X)	10/100/1000Base-T(X)
Networking standardsDiffers	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	IEEE 802.11b, IEEE 802.11e, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
VPN support	PPTP/L2TP	PPTP/L2TP
Mobile network2 differ
3GDiffers	Yes	No
4GDiffers	Yes	No
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	5	4
Management featuresidentical
Web-based management	Yes	Yes
Quality of Service (QoS) support	Yes	Yes
Reset button	Yes	Yes
Securityidentical
Security algorithms	WEP, WPA, WPA2, WPS	WEP, WPA, WPA2, WPS
FirewallKnown for one	Unknown — not stated by the source	Yes
Firewall securityKnown for one	Unknown — not stated by the source	Address Resolution Protocol (ARP), Distributed Denial of Service (DDoS) prevention
Stateful Packet Inspection (SPI)	Yes	Yes
Filtering	Yes	Yes
MAC address filtering	Yes	Yes
DMZ support	Yes	Yes
Network address translation (NAT)	Yes	Yes
NAT functionalityKnown for one	y	Unknown — not stated by the source
Protocolsidentical
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Universal Plug and Play (UPnP)	Yes	Yes
Routing protocolsKnown for one	Unknown — not stated by the source	RIP-1
Management protocolsKnown for one	Unknown — not stated by the source	TELNET
Designidentical
Product colour	Black	Black
LED indicators	Yes	Yes
On/off switchKnown for one	Yes	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Antennaidentical
Antenna designKnown for one	Unknown — not stated by the source	External
Antennas quantityKnown for one	Unknown — not stated by the source	2
Featuresidentical
Firmware upgradeableKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	7.5 W
Power over Ethernet (PoE)Known for one	Unknown — not stated by the source	No
Operational conditions1 differ
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage relative humidity (H-H)Differs	5 - 95%	15 - 95%
Storage temperature (T-T)	-20 - 65 °C	-20 - 65 °C
Weight & dimensionsidentical
DepthKnown for one	Unknown — not stated by the source	113 mm
HeightKnown for one	Unknown — not stated by the source	31.5 mm
WeightKnown for one	Unknown — not stated by the source	218 g
WidthKnown for one	Unknown — not stated by the source	147.5 mm
Other features3 differ
Mobile network connectionDiffers	Yes	No
Bandwidth (first)Known for one	Unknown — not stated by the source	2.4 GHz
Filtering descriptionKnown for one	Unknown — not stated by the source	IP / MAC
Frequency bandKnown for one	Unknown — not stated by the source	2.4 GHz
Frequency rangeKnown for one	Unknown — not stated by the source	2.4 - 2.4385 GHz
Input currentKnown for one	Unknown — not stated by the source	2.5 A
Rack mountingKnown for one	Unknown — not stated by the source	No
Supported WAN typeKnown for one	Unknown — not stated by the source	PPPoE Static IP Dynamic IP PPTP/L2TP+Static IP PPTP/L2TP+Dynamic IP
WLAN data transfer rates supportedDiffers	1,2,5.5,6,9,11,12,18,24,36,48 Mbit/s	1,2,5.5,6,9,11,12,18,24,36,48,54,150,300 Mbit/s
xDSL connectionDiffers	Yes	No
USB ports quantityKnown for one	1	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
DSL featuresidentical
Internal modemKnown for one	No	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.

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