Both have 2.5 Gbit/s ports. The BE86U costs much more - for a 10 Gbit/s port and a stronger CPU.

Short answer

ASUS RT-BE86U - 10 Gbit/s WAN, 2.6 GHz, faster 2.4 GHz. RT-BE82U - 2.5 Gbit/s WAN, more compact and cheaper.

Key differences

SpecASUS RT-BE82UASUS RT-BE86U
Typerouterrouter
Wi-FiWi-Fi 7, BE6500Wi-Fi 7, BE6800
Wi-Fi speed688 + 5764 Mbit/s1032 + 5764 Mbit/s
Bands2.4 + 5 GHz2.4 + 5 GHz
WAN1 × 2.5 Gbit/s1 × 10 Gbit/s
LAN4 × 2.5 Gbit/s4 × 2.5 Gbit/s
USBUSB 3.0USB 3.0 + USB 2.0
MeshAiMeshAiMesh
Processor4 cores, 2 GHz4 cores, 2.6 GHz
RAM / flash1024 / 256 MB1024 / 256 MB
VPNyesyes
Dimensions, weight238×147×97 mm, 502 g235×90×316 mm, 854 g
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

Ports

WAN 2.5 vs 10 Gbit/s; LAN 4 × 2.5 Gbit/s on both.

Wi-Fi

688 + 5764 vs 1032 + 5764 Mbit/s.

Body

502 vs 854 g - the BE86U is a big vertical unit.

Verdict: who should buy which

  • Multi-gig plans and NAS - ASUS RT-BE86U.
  • The sweet spot - ASUS RT-BE82U.

FAQ

Is the memory the same?
Yes, 1024 / 256 MB.

Is there USB?
Yes, and the BE86U adds USB 2.0.

Which is cheaper?
The ASUS RT-BE82U.

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