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Head to head · Prices checked Oct 23, 2026

Ajazz AK820 Pro vs Keychron K3 Pro

Get the Ajazz AK820 Pro for the 4,000 mAh battery.

AJAZZ AK820 Pro

Battery

Ajazz AK820 Pro

4.6 · 256 reviews

from$68at Epomaker

Shop nowSee 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.

Ajazz AK820 Pro

Keychron K3 Pro

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Battery

    4,000 mAh

    1,550 mAh

  • Low profile

    No

    Yes

  • Case material

    ABS, Aluminum

    ABS, Aluminum, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • Ajazz AK820 Pro
  • Keychron K3 Pro
Performance
61
81
Build quality
66
81
Productivity
82
80
Customizability
72
88
Portability
79
77

What they share

  • Layout size: 75%
  • Hot-swappable
See every spec side by side

From real owners

What owners say

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

Ajazz AK820 Pro

4.6

256 owner reviews

Praise
“It's a nice keyboard, has a nice sound when typing. I like the dedicated volume know and it's easy to load gifs onto the little screen using the ajazz software”
David C.Verified buyer· via Epomaker
Critique
“So recently i started to notice my w key stop completely and have to press again and again for the input, please can you assist me in this matter”
Aniruddh C.Verified buyer· via Epomaker

Keychron K3 Pro

4.7

54 owner reviews

Praise
“For anyone buying this, remember to toggle the switch to the correct operating system. Other than that, the feel is good and it comes with a good feature set for a low price”
GavinVerified buyer· via Keychron
Critique
“I was happy at the beginning but after few months of use I'm getting more and more frustrated. Keyboard just hangs sometimes and I'm not able to connect with BT. I use it to operate two laptops and using Fn+1 anf Fn+2 combination is great... when it works…”
paczor· via Keychron

Full specs

Ajazz AK820 Pro vs Keychron K3 Pro specs

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

18 of 26 specs differ

Ajazz AK820 Pro

Keychron K3 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount, Tray Mount

Low profile

No
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Aluminum, Plastic

Plate material

Polycarbonate
Plastic

Keycaps

PBT
ABS, PBT

Weight

810 g
525 g

Dimensions

40 x 327 x 136 mm
15 x 306 x 116 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

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.

  • EpomakerUS

    In stock
    $68Visit
  • AmazonGlobal

    Check price
    Visit
  • MechkeysCN

    Out of stock
    $65Visit
  • WhatGeekCN

    Out of stock
    $67Visit
  • KeychronHK

    In stock
    $67Visit
  • AmazonGlobal

    Check price
    ~$67Visit
  • MKUS

    Out of stock
    $83Visit
  • Keychron (DE)DE

    Out of stock
    $127Visit

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