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Product comparison · 2 wireless routers

ASUS 4G-AC68U wireless router Gigabit Ethernet Dual-band (2.4 GHz vs ASUS DSL-AC51 wireless router Gigabit Ethernet Dual-band (2.4 GHz

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  • 55specifications compared
  • 26differ
  • 29identical
  • 39known for one product only

Key differences

  • DSL WAN
    • No
    • Yes
  • SIM card slot
    • Yes
    • No
  • Top Wi-Fi standard
    • Wi-Fi 4 (802.11n)
    • Wi-Fi 5 (802.11ac)
  • WLAN data transfer rate (max)
    • 1900 Mbit/s
    • 433 Mbit/s
  • WLAN data transfer rate (first band)
    • 600 Mbit/s
    • 300 Mbit/s
  • WLAN data transfer rate (second band)
    • 1300 Mbit/s
    • 433 Mbit/s
  • 3G
    • Yes
    • No
  • 4G
    • Yes
    • No

Side by side

Differences highlightedShow differences only
94 specifications
A

ASUS

4G-AC68U wireless router Gigabit Ethernet Dual-band (2.4 GHz

Model 4G-AC68U

View product
B

ASUS

DSL-AC51 wireless router Gigabit Ethernet Dual-band (2.4 GHz

Model DSL-AC51

View product
WAN connection2 differ
Ethernet WANYesYes
DSL WANDiffersNoYes
SIM card slotDiffersYesNo
3G/4G USB modem compatibilityKnown for oneNo
Wireless LAN features4 differ
Wi-Fi bandDual-band (2.4 GHz / 5 GHz)Dual-band (2.4 GHz / 5 GHz)
Top Wi-Fi standardDiffersWi-Fi 4 (802.11n)Wi-Fi 5 (802.11ac)
WLAN data transfer rate (max)Differs1900 Mbit/s433 Mbit/s
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
WLAN data transfer rate (first band)Differs600 Mbit/s300 Mbit/s
WLAN data transfer rate (second band)Differs1300 Mbit/s433 Mbit/s
Network2 differ
Ethernet LANYesYes
Ethernet LAN interface typeGigabit EthernetGigabit Ethernet
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Networking standardsDiffersIEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11nIEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11e, IEEE 802.11g, IEEE 802.11i, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Port forwardingKnown for oneYes
VPN PassthroughYesYes
VPN supportDiffersIPSec, PPTP, L2TP, OpenVPNIPSec Pass-Through PPTP Pass-Through L2TP Pass-Through PPTP server OpenVPN server PPTP client L2TP client OpenVPN client
Multicast supportKnown for oneYes
Mobile network2 differ
3GDiffersYesNo
4GDiffersYesNo
Mobile network generationKnown for one4G
3G standardsKnown for oneHSPA+, UMTS
4G standardKnown for oneLTE
3G bands supportedKnown for one900,2100 MHz
4G bands supportedKnown for one800,1800,2100,2600 MHz
DSL featuresidentical
ADSLKnown for oneYes
ADSL2Known for oneYes
ADSL2+Known for oneYes
VDSLKnown for oneYes
VDSL2Known for oneYes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers42
USB portDiffersYesNo
RJ-11 ports quantityKnown for one1
Memory card slot(s)NoNo
DC-in jackYesYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
Management featuresidentical
Web-based managementYesYes
Web-based setup wizardKnown for oneYes
Quality of Service (QoS) supportYesYes
Reset buttonYesYes
WPS push buttonYesYes
Securityidentical
Security algorithms64-bit WEP, 128-bit WEP, WPA-Enterprise, WPA-PSK, WPA2-Enterprise, WPA2-PSK, WPS64-bit WEP, 128-bit WEP, WPA-Enterprise, WPA-PSK, WPA2-Enterprise, WPA2-PSK, WPS
FirewallYesYes
Firewall securityKnown for oneParental control
Guest accessYesYes
Port-based Network Access Control (PNAC)Known for oneYes
FilteringYesYes
IP address filteringKnown for oneYes
URL filteringYesYes
System event logYesYes
DMZ supportKnown for oneYes
Network address translation (NAT)Known for oneYes
Stateful Packet Inspection (SPI)Known for oneYes
DoS attack preventionKnown for oneYes
Protocols1 differ
DHCP clientKnown for oneYes
DHCP serverKnown for oneYes
Universal Plug and Play (UPnP)YesYes
Management protocolsDiffersUPnP, IGMP v1/v2/v3, DNS Proxy, DHCP, NTP Client, DDNSIGMP v1/v2/v3
Supported network protocolsIPv4, IPv6IPv4, IPv6
Design1 differ
Product typeTabletop routerTabletop router
Product colourBlackBlack
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS)
Indication lightKnown for oneYes
LED indicatorsDiffersLAN, Power, USB, WAN, WLAN, WPSADSL, DSL, LAN, Power, WLAN
On/off switchYesYes
Packaging content1 differ
Cables includedDiffersLAN (RJ-45)DSL, LAN (RJ-45), Phone (RJ-11)
AC adapter includedYesYes
Quick start guideYesYes
Certificatesidentical
CertificationKnown for oneCE
Antenna1 differ
Antenna designDiffersInternal & externalExternal
Antennas quantityKnown for one3
Detachable antenna(s)Known for oneYes
Featuresidentical
Plug and PlayKnown for oneYes
Firmware upgradeableKnown for oneYes
Power4 differ
Power source typeDiffersACAC, DC
AC input voltageDiffers110 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Output voltageDiffers19 V12 V
Output currentDiffers2.37 A1 A
Operational conditionsidentical
Operating relative humidity (H-H)Known for one50 - 90%
Operating temperature (T-T)Known for one0 - 40 °C
Storage relative humidity (H-H)Known for one20 - 90%
Storage temperature (T-T)Known for one0 - 70 °C
System requirements2 differ
Windows operating systems supportedDiffersWindows 10, Windows 7, Windows 8, Windows 8.1, Windows ME, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home
Linux operating systems supportedYesYes
Mac operating systems supportedDiffersMac OS X 10.1 Puma, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain LionMac OS X 10.1 Puma, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Mac compatibilityYesYes
Weight & dimensions4 differ
DepthDiffers76 mm175 mm
HeightDiffers168 mm200 mm
WeightDiffers795 g440 g
WidthDiffers247 mm207 mm
Packaging dataidentical
Wi-Fi configuration cardKnown for oneYes
Package typeKnown for oneBox

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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