Head to head · Prices checked Nov 1, 2026

Keychron B5 Pro vs Ktechs Rainy75

Get the Keychron B5 Pro for media keys. Get the Ktechs Rainy75 for the 3,500 mAh battery.

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Media keys

from$39at Keychron

Battery

from$7at ktechs

Quick verdict

Which one should you get?

Get the

Keychron B5 Pro

Media keys

Build quality in the bottom 5% of 100% boards under $100.

Rules this board out

Switches are soldered. Swapping them means soldering.

$39 at Keychron

Get the

Ktechs Rainy75

Battery

Build quality in the bottom 30% of 75% boards under $50.

Rules this board out

Switches are soldered. Swapping them means soldering.
No numpad.

$7 at ktechs

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

Ktechs Rainy75

Layout size
100%
75%
Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Battery
1,200 mAh
3,500 mAh
A larger battery means fewer cables during the day
Display
None
LED
A case display rather than a typing feature
Media keys
Yes
No

KeebFinder scores

How we score

Keychron B5 Pro
Ktechs Rainy75

Performance: 51
47
Build quality: 43
65
Productivity: 70
46
Customizability: 48
42
Portability: 52
74

What they share

Max polling rate: 1,000 Hz

See every spec side by side

Full specs

Keychron B5 Pro vs Ktechs Rainy75 specs

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

8 of 20 specs differ

Spec

Keychron B5 Pro

Ktechs Rainy75

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Mount style

—

Gasket Mount

Layout

Layout size

100%

75%

Layout standard

ANSI

—

Ergonomics

Standard

Display

None

LED

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wireless

Max polling rate

1,000 Hz

Battery

1,200 mAh

3,500 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

—

Plate material

—

FR4, Plastic, Polycarbonate

Keycaps

ABS

—

Weight

623 g

—

Dimensions

10 x 438 x 121 mm

—

Typing angle

3°

—

Backlight

None

Firmware & software

Mac & Windows

Yes

Extras

Released

2025

2024

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

Keychron B5 Pro3 stores