Epomaker EK21 vs Jamesdonkey RS2 4.0
Get the Jamesdonkey RS2 4.0 for the 4,000 mAh battery and qmk.
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4.5 · 34 reviews
from$39at Epomaker
No reviews
from$99at Mechkeys
Which one should you get?
Get the
Epomaker EK21
Build quality in the top 25% of Numpad boards under $50.
- Numpad only. This is not a full keyboard.
Get the
Jamesdonkey RS2 4.0
Battery
Build quality in the top 35% of 96% boards under $100.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
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
Jamesdonkey RS2 4.0
Layout size
Numpad
96%
Battery
1,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum
Weight
200 g
1,150 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key
- Epomaker EK21
- Jamesdonkey RS2 4.0
- Performance
- 7858
- Build quality
- 7671
- Productivity
- 8793
- Customizability
- 8282
- Portability
- 8853
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Switch options: Linear
- Mount style: Gasket Mount
- Knob
- Sound dampening
Epomaker EK21 vs Jamesdonkey RS2 4.0 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 25 specs differ
Epomaker EK21
Jamesdonkey RS2 4.0
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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Lowest price across stores, Amazon excluded.
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