Epomaker EK21 vs Keychron K4 Pro
Get the Keychron K4 Pro for the 4,000 mAh battery.
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4.5 · 34 reviews
from$33at Epomaker
90-day lowLowest price in 90 days
4.7 · 7 reviews
from$69at Keychron
Which one should you get?
Get the
Epomaker EK21
Build quality in the top 25% of Numpad boards under $50.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
- Numpad only. This is not a full keyboard.
Get the
Keychron K4 Pro
Battery
Build quality in the top 10% of 96% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Epomaker EK21
Keychron K4 Pro
Layout size
Numpad
96%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
1,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
ABS
ABS, Plastic
Switch options
Linear
Clicky, Linear, Tactile
- Epomaker EK21
- Keychron K4 Pro
- Performance
- 7881
- Build quality
- 7684
- Productivity
- 8795
- Customizability
- 8296
- Portability
- 8854
- Hot-swappable
- Max polling rate: 1,000 Hz
- VIA
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Epomaker EK21
34 owner reviews
“Great wireless connectivity, sounds and feels as good as my 200$ custom keyboard. Great buy especially with the discount, would definitely buy again.”
“I have had this thing for years, I have updated to every Json file and firmware file I can find and it has NEVER worked right, Either the Json file or the firmware is jacked up and no one at Epomaker can give me any explanation. This numpad is the reason I…”
Keychron K4 Pro
7 owner reviews
“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.”
Epomaker EK21 vs Keychron K4 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
17 of 27 specs differ
Epomaker EK21
Keychron K4 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Epomaker EK21
No ISO layout at the stores we track.
Keychron K4 Pro
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you
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.
Not sold on either?
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