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Head to head · Prices checked Oct 21, 2026

Keychron 81 Pro vs Mxrskey CK820

Get the Keychron 81 Pro for the 4,000 mAh battery and qmk.

Keyboard 81 Pro QMK/VIA Wireless Custom Mechanical Keyboard

Battery

Keychron 81 Pro

5.0 · 4 reviews

from$145at Input Gear

Shop nowCompare 2 stores
MXRSKEY CK820 DIY Kit

Mxrskey CK820

from$169

90-day low

Check priceSee all prices

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Keychron 81 Pro

Mxrskey CK820

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

  • Battery

    4,000 mAh

    3,000 mAh

  • Mount style

    Gasket Mount, Plate Mount

    Gasket Mount

  • Weight

    1,887 g

    960 g

  • QMK

    Yes

    No

KeebFinder scores

How we score
  • Keychron 81 Pro
  • Mxrskey CK820
Performance
82
52
Build quality
87
73
Productivity
97
91
Customizability
94
85
Portability
82
83

What they share

  • Layout size: 75%
  • Hot-swappable
  • Case material: Aluminum
  • Knob
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron 81 Pro

5.0

4 owner reviews

Praise
“Love the sound and feel. Thr kickstand is cool too. Only thing is I wish there were more options for keycap colors, the red doesn't match my stuff.”
T.T.· via Keychron

Mxrskey CK820

No owner reviews collected yet.

Full specs

Keychron 81 Pro vs Mxrskey CK820 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

10 of 26 specs differ

Keychron 81 Pro

Mxrskey CK820

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount, Plate Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAhBetter
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

Polycarbonate
Plastic

Keycaps

PBT
—

Weight

1,887 g
960 g

Dimensions

47 x 338 x 151 mm
30 x 105 x 346 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2023
2022

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • Input GearDE

    In stock
    $145Visit
  • KeychronHK

    In stock
    $169Visit
  • AmazonGlobal

    Check price
    ~$145Visit
  • MKUS

    Out of stock
    $204Visit
  • AmazonGlobal

    Check price
    ~$169Visit
  • WhatGeekCN

    Out of stock
    $169Visit
  • MechkeysCN

    Out of stock
    $179Visit

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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