Epomaker EK21 vs Ktechs Rainy75
Get the Epomaker EK21 for hot-swappable and knob. Get the Ktechs Rainy75 for the 3,500 mAh battery.
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4.6 (36)4.6 · 36 reviews
from$33at Epomaker
90-day lowLowest price in 90 days
No reviews
from$7at ktechs
Which one should you get?
Get the
Epomaker EK21
Hot-swappable
Build quality in the top 25% of Numpad boards under $50.
- Numpad only. This is not a full keyboard.
Get the
Ktechs Rainy75
Battery
Build quality in the bottom 30% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
- No numpad.
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.
Epomaker EK21
Ktechs Rainy75
Layout size
Numpad
75%
Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Hot-swappable
Yes
No
Switch changes without soldering
Battery
1,000 mAh
3,500 mAh
A larger battery means fewer cables during the day
Knob
Yes
No
- Epomaker EK21
- Ktechs Rainy75
- Performance
- 7747
- Build quality
- 7665
- Productivity
- 8846
- Customizability
- 8243
- Portability
- 8874
- Max polling rate: 1,000 Hz
- Mount style: Gasket Mount
Epomaker EK21 vs Ktechs Rainy75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 23 specs differ
Epomaker EK21
Ktechs Rainy75
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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