Keychron B31 vs Ktechs Rainy75
Get the Keychron B31 for media keys. Get the Ktechs Rainy75 for the 3,500 mAh battery.
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from$34at MK
90-day lowLowest price in 90 days
Which one should you get?
Get the
Keychron B31
Media keys
Build quality in the bottom 20% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
Get the
Ktechs Rainy75
Battery
Build quality in the bottom 30% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
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 B31
Ktechs Rainy75
Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Battery
800 mAh
3,500 mAh
A larger battery means fewer cables during the day
Mount style
PCB Mount
Gasket Mount
Display
None
LED
A case display rather than a typing feature
Media keys
Yes
No
- Keychron B31
- Ktechs Rainy75
- Performance
- 5947
- Build quality
- 5265
- Productivity
- 6946
- Customizability
- 4743
- Portability
- 7874
- Layout size: 75%
- Max polling rate: 1,000 Hz
Keychron B31 vs Ktechs Rainy75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 21 specs differ
Keychron B31
Ktechs Rainy75
Switch options
Mount style
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
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