Head to head · Prices checked Oct 21, 2026

Keychron B5 Pro vs K4 Pro

Get the Keychron K4 Pro for hot-swappable and the 4,000 mAh battery.

Keychron B5 Pro

from$39at Keychron

Shop nowShop at Keychron Compare 2 stores

Hot-swappable

Keychron K4 Pro

4.7 · 7 reviews

from$69at Keychron

Shop nowShop at Keychron See 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 B5 Pro

Keychron K4 Pro

Layout size
100%
96%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Hot-swappable
No
Yes
Battery
1,200 mAh
4,000 mAh
Case material
ABS
ABS, Plastic

KeebFinder scores

How we score

Keychron B5 Pro
Keychron K4 Pro

Performance: 51
81
Build quality: 43
84
Productivity: 70
95
Customizability: 49
96
Portability: 52
54

What they share

Max polling rate: 1,000 Hz
Switch options: Clicky, Linear, Tactile

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 B5 Pro

No owner reviews collected yet.

Keychron K4 Pro

4.7

7 owner reviews

Praise

“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”

Adrian T.Verified buyer· via Keychron

Full specs

Keychron B5 Pro vs K4 Pro specs

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

16 of 26 specs differ

Spec

Keychron B5 Pro

Keychron K4 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

—

Tray Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

100%

96%

Layout standard

ANSI

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

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

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

ABS, Plastic

Plate material

—

Steel

Keycaps

ABS

ABS, PBT

Weight

623 g

1,280 g

Dimensions

10 x 438 x 121 mm

31 x 391 x 139 mm

Typing angle

3°

Backlight

None

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2025

2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Keychron B5 Pro3 stores

KeychronHK
In stock
$39Visit
Keychron (DE)DE
In stock
$65Visit
AmazonGlobal
Check price
Visit

Keychron K4 Pro3 stores

KeychronHK
In stock
$69Visit
AmazonGlobal
Check price
Visit
Keychron (DE)DE
Out of stock
$120Visit

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