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Head to head · Prices checked Nov 1, 2026

Keychron K3 V3 vs K5

Get the Keychron K3 V3 for qmk. Get the Keychron K5 for the 2,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron K3 V3

QMK

Build quality in the top 10% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No numpad.

Get the

Keychron K5

Battery

Build quality in the top 30% of 100% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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 K3 V3

Keychron K5

  • Layout size

    75%

    100%

  • Battery

    1,550 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Aluminum, Plastic

  • Mount style

    PCB Mount, Plate Mount, Top Mount

    Tray Mount

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron K3 V3
  • Keychron K5
Performance
82
63
Build quality
83
67
Productivity
80
66
Customizability
89
69
Portability
77
55

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Keychron K3 V3 vs K5 specs

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

10 of 25 specs differ

Keychron K3 V3

Keychron K5

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

PCB Mount, Plate Mount, Top Mount
Tray Mount

Low profile

Yes
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
—

Battery

1,550 mAh
2,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum, Plastic

Plate material

Aluminum
—

Keycaps

ABS, PBT
ABS

Weight

540 g
—

Dimensions

19 x 306 x 116 mm
—

Typing angle

3°
—

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2021

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K3 V3

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-SW

    In stockDoes not ship to you

Keychron K5

No ISO layout at the stores we track.

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Keychron K53 stores

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