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  1. Home
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TP-Link Archer AX21 vs ASUS RT-AX55

Which Router Is Better?

    Top
    Main Differences
    Design
      DimensionsNetwork PortsUSB PortsIn The BoxWall/Ceiling Mount
    Wi-Fi
      Interior Short RangeInterior Long RangeWireless LatencyMesh Satellite Wireless LatencyWi-Fi SpecificationsMLO Implementation
    Wi-Fi Coverage
      Indoor Coverage - Same StoryIndoor Coverage - 1 Story AboveBroad Coverage
    Comments

Products

TP-Link Archer AX21
ASUS RT-AX55

Tested using Methodology v0.9.1

Updated Jun 17, 2026 05:04 PM

SEE PRICE
Amazon

Tested using Methodology v0.9.1

Updated Jun 17, 2026 05:05 PM

SEE PRICE
ASUS
TP-Link Archer AX21 Picture

Track

ASUS RT-AX55 Picture

Track

Type
Standalone Router
Multi Band
Dual Band (2.4 / 5)
Wi-Fi Version
Wi-Fi 6 (ax)
Type
Standalone Router
Multi Band
Dual Band (2.4 / 5)
Wi-Fi Version
Wi-Fi 6 (ax)

Our Verdict

TP-Link Archer AX21

ASUS RT-AX55

The TP-Link Archer AX21 and the ASUS RT-AX55 are both Wi-Fi 6 routers. They perform similarly, but the ASUS delivers slightly better range and faster speeds overall.

GIFT THIS COMPARISON

0 

Variants

  • Archer AX21 (Black)
  • RT-AX55 (Black)
  • RT-AX55 (White)

Review

See TP-Link Archer AX21 Review
See ASUS RT-AX55 Review
1 
2 

Check Price

Black
Archer AX21
SEE PRICE
Amazon
Black
RT-AX55
SEE PRICE
ASUS
Black
Archer AX21
SEE PRICE
B&H
White
RT-AX55
SEE PRICE
Walmart.com
Black
Archer AX21
SEARCH
BestBuy.com
 
Black
Archer AX21
SEARCH
TP-Link
 
Black
Archer AX21
SEARCH
Walmart.com
 

Main Differences for
Apartment/Condo

Threshold 

0.10

Apartment/Condo 
 

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Full Comparison

Design

Dimensions 
 

N/A
N/A

Dimensions Photo  

TP-Link Archer AX21 Dimensions Photo Sample

SAMPLE

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for pictures & test results

ASUS RT-AX55 Dimensions Photo Sample

SAMPLE

Join Now

for pictures & test results

Height 
 

Lock" (Lock cm)
Lock" (Lock cm)

Width 
 

Lock" (Lock cm)
Lock" (Lock cm)

Depth 
 

Lock" (Lock cm)
Lock" (Lock cm)

Depth With Cables 
 

Lock" (Lock cm)
Lock" (Lock cm)

Network Ports 
 

N/A
N/A

Ports Photo  

TP-Link Archer AX21 Ports Photo Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Ports Photo Sample

SAMPLE

Join Now

for pictures & test results

WAN Port Speed 
 

Lock Gbps
Lock Gbps

LAN Port Count 
 

Lock
Lock

10 Gbps Ports 
 

Lock
Lock

2.5 Gbps Ports 
 

Lock
Lock

1 Gbps Ports 
 

Lock
Lock

10 Gbps Ports (SFP+) 
 

Lock
Lock

USB Ports 
 

USB-A 3.0 Ports 
 

Lock
Lock

USB-A 2.0 Ports 
 

Lock
Lock

USB-C Ports 
 

Lock
Lock

USB-C Speed 
 

N/A
N/A

In The Box 
 

In The Box Photo  

TP-Link Archer AX21 In The Box Photo Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 In The Box Photo Sample

SAMPLE

Join Now

for pictures & test results

Wall/Ceiling Mount 
 

N/A
N/A

Mount Photo  

TP-Link Archer AX21 Mount Photo Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Mount Photo Sample

SAMPLE

Join Now

for pictures & test results

Mount Type 
 

Locked
Locked
Wi-Fi

Interior Short Range 
 

N/A
N/A

Short Range Graph  

TP-Link Archer AX21 Short Range Graph Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Short Range Graph Sample

SAMPLE

Join Now

for pictures & test results

Highest Speed 
 

Lock Mbps
Lock Mbps

Average 5GHz Speed 
 

Lock Mbps
Lock Mbps

Average 6GHz Speed 
 

N/A
N/A

Test Configuration 
 

Locked
Locked

Interior Long Range 
 

N/A
N/A

Long Range Graph  

TP-Link Archer AX21 Long Range Graph Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Long Range Graph Sample

SAMPLE

Join Now

for pictures & test results

Lowest Speed 
 

Lock Mbps
Lock Mbps

Average 5GHz Speed 
 

Lock Mbps
Lock Mbps

Average 6GHz Speed 
 

N/A
N/A

Test Configuration 
 

Locked
Locked

Wireless Latency 
 

N/A
N/A

Latency Cumulative Distribution Function 
 

TP-Link Archer AX21 Latency Cumulative Distribution Function Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Latency Cumulative Distribution Function Sample

SAMPLE

Join Now

for pictures & test results

5GHz Median Latency 
 

Lock ms
Lock ms

5GHz Median Jitter 
 

Lock ms
Lock ms

6GHz Median Latency 
 

N/A
N/A

6GHz Median Jitter 
 

N/A
N/A

Mesh Satellite Wireless Latency 
 

N/A
N/A

Satellite Latency Cumulative Distribution Function 
 

TP-Link Archer AX21 Satellite Latency Cumulative Distribution Function Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Satellite Latency Cumulative Distribution Function Sample

SAMPLE

Join Now

for pictures & test results

Satellite 5GHz Median Latency 
 

N/A
N/A

Satellite 5GHz Median Jitter 
 

N/A
N/A

Satellite 6GHz Median Latency 
 

N/A
N/A

Satellite 6GHz Median Jitter 
 

N/A
N/A

Wi-Fi Specifications 
 

N/A
N/A

Type 
 

Locked
Locked

Multi Band 
 

Locked
Locked

DFS Channels 
 

Locked
Locked

6GHz Band 
 

Locked
Locked

Wi-Fi Version 
 

Locked
Locked

MU-MIMO 
 

Locked
Locked

OFDMA Support 
 

Locked
Locked

Beamforming 
 

Locked
Locked

Tested Firmware Version  

Locked
Locked

MLO Implementation 
 

Beacon Frame  

TP-Link Archer AX21 Beacon Frame Sample

SAMPLE

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for pictures & test results

ASUS RT-AX55 Beacon Frame Sample

SAMPLE

Join Now

for pictures & test results

MLO Support  

Locked
Locked

EMLSR/EMLMR Support 
 

Locked
Locked

Max Number Of Simultaneous Links 
 

Locked
Locked

TID-To-Link Mapping Negotiation Support 
 

Locked
Locked
Wi-Fi Coverage

Indoor Coverage - Same Story 
 

Wi-Fi Coverage Map  

TP-Link Archer AX21 Wi-Fi Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Wi-Fi Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

Indoor Coverage - 1 Story Above 
 

Wi-Fi Coverage Map  

TP-Link Archer AX21 Wi-Fi Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Wi-Fi Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

Wi-Fi Coverage Map (Dual Mesh)  

TP-Link Archer AX21 Wi-Fi Coverage Map (Dual Mesh) Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Wi-Fi Coverage Map (Dual Mesh) Sample

SAMPLE

Join Now

for pictures & test results

Broad Coverage 
 

Outdoor Coverage Map  

TP-Link Archer AX21 Outdoor Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

ASUS RT-AX55 Outdoor Coverage Map Sample

SAMPLE

Join Now

for pictures & test results

Check Price

Black
Archer AX21
SEE PRICE
Amazon
Black
RT-AX55
SEE PRICE
ASUS
Black
Archer AX21
SEE PRICE
B&H
White
RT-AX55
SEE PRICE
Walmart.com
Black
Archer AX21
SEARCH
BestBuy.com
 
Black
Archer AX21
SEARCH
TP-Link
 
Black
Archer AX21
SEARCH
Walmart.com
 
Back to Top

TP-Link Archer AX21

ASUS RT-AX55

Comments

  1. Comparison
 • Posted 4 months ago

TP-Link Archer AX21 vs ASUS RT-AX55: Main Discussion

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