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Comparison of AVM FritzBox 4020 and Linksys WRT1900ACS

The side-by-side comparison of the routers’ specifications. The comparison table below makes it easier to choose the most fitting router.

A maximum of 3 routers can be compared at the same time. To add or change a router, type the name of the router you’re looking for in the search field of the table’s column, then click on the router’s name in the drop-down list of search results.

AVM FritzBox 4020 (FB-4020)
AVM FritzBox 4020 (FB-4020)
Linksys WRT1900ACS (WRT1900ACS)
Linksys WRT1900ACS (WRT1900ACS)
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Launch
2016 2016
Body
Dimensions
166 x 120 x 48 mm 246 x 52 x 194 mm
Weight
  883 g
System
Chipset
Qualcomm Atheros QCA9561 @ 750 MHz Marvell Armada 385 88F6820 @ 1.6 GHz
RAM
128 MB 512 MB
Flash
16 MB 128 MB
OS
Fritz Linksys
Alternative OS
  OpenWRT
DD-WRT
Power supply
12 V / 2.5 A 12 V / 3 A
Network
Protocols
IPv4
IPv6
IPv4
IPv6
LAN ports
4 x 10/100 Mbps 4 x 10/100/1000 Mbps
WAN ports
1 x 10/100 Mbps 1 x 10/100/1000 Mbps
Mobile network
yes, with USB dongle no
VPN support
no PPTP
L2TP/IPSec
OpenVPN
Wireless
Antennas
2 x 3 dBi
internal
4 x 3.8 dBi
RP-SMA
2.4 GHz
yes yes
5 GHz
no yes
6 GHz
   
60 GHz
no no
Standards
IEEE 802.11b/g/n IEEE 802.11b/g/n/ac
Class
N450 AC1900
Speed
450 Mbps 600 + 1300 Mbps
Transmit power
20 dBm 19 dBm / 21 dBm
Security
WPA
WPA2
WEP
WPA
WPA2
WPS
Guest network
yes yes
Connectivity
USB ports
1 x USB 2.0 1 x USB 2.0
1 x USB 3.0
Print server
yes yes
File server
yes yes
Features
Specials
  ESATA port
Administration
Default IP
192.168.178.1 192.168.1.1
Default username
[blank] admin
Default password
[on the label] admin
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