Head to head · Prices checked Nov 11, 2026

Keychron B3 Pro vs K3 V2

Get the Keychron K3 V2 for hot-swappable and the 1,550 mAh battery.

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Keychron B3 Pro

No reviews

from$34at Keychron

Compare 3 stores

Hot-swappable

Keychron K3 V2

4.8 (2,258)4.8 · 2,258 reviews

from$105at Keychron (DE)

Compare 3 stores

Quick verdict

Which one should you get?

Get the

Keychron B3 Pro

Build quality in the bottom 5% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
Low-profile switches and keycaps only. Standard MX keycaps will not fit.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$34 at Keychron

Get the

Keychron K3 V2

Hot-swappable

Build quality in the bottom 50% of 75% boards under $150.

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.

$105 at Keychron (DE)

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 B3 Pro

Keychron K3 V2

Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Battery
1,200 mAh
1,550 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum, Plastic
Layout standard
ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-Nordic, ISO-UK, JIS
ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score

Keychron B3 Pro
Keychron K3 V2

Performance: 50
63
Build quality: 43
65
Productivity: 70
65
Customizability: 47
68
Portability: 79
80

What they share

Layout size: 75%
Low profile
Switch options: Clicky, Linear, Tactile
Keycaps: ABS

See every spec side by side

Full specs

Keychron B3 Pro vs K3 V2 specs

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

7 of 21 specs differ

Spec

Keychron B3 Pro

Keychron K3 V2

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

—

Tray Mount

Low profile

Yes

Layout

Layout size

75%

Layout standard

ANSI

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

Ergonomics

Standard

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Bluetooth, Wired

Max polling rate

1,000 Hz

—

Battery

1,200 mAh

1,550 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

Aluminum, Plastic

Keycaps

ABS

Weight

410 g

—

Dimensions

3 x 100 x 380 mm

—

Typing angle

3°

—

Backlight

None

RGB, north-facing

Firmware & software

Mac & Windows

Yes

Extras

Released

2025

2020

For EU buyers

ISO layouts by store

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

Keychron B3 Pro

No ISO layout at the stores we track.

Keychron K3 V2

Keychron
ISO-ES
Out of stockShips to you
Keychron
ISO-UK
Out of stockShips to you
Keychron
ISO-DE
Out of stockShips to you
Keychron
ISO-Nordic
Out of stockShips to you
Keychron (DE)
ISO-DE
In stockDoes not ship to you
Keychron (DE)
ISO-ES
Out of stockDoes not ship to you
Keychron (DE)
ISO-UK
Out of stockDoes not ship to you

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 B3 Pro3 stores