Keychron J5 vs K4 V2
Get the Keychron J5 for qmk and via. Get the Keychron K4 V2 for the 4,000 mAh battery.
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 J5
Keychron K4 V2
Layout size
100%
96%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Battery
3,750 mAh
4,000 mAh
QMK
Yes
No
VIA
Yes
No
- Keychron J5
- Keychron K4 V2
- Performance
- 7064
- Build quality
- 6970
- Productivity
- 6267
- Customizability
- 8670
- Portability
- 4855
- Hot-swappable
- Max polling rate: 1,000 Hz
- Switch options: Clicky, Linear, Tactile
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J5
3 owner reviews
“Totally enjoying this keyboard. Weight gives a quality feel. Love north facing RGB and effects. Price is in a sweet spot. Happy that I didn’t allow lack of reviews to affect my decision. Highly recommended.”
“Originally had purchased (2) J5 keyboards for staff in the office in January. Upon delivery, the top number row of one of the keyboards did not work and had to be RMA'd, within a few weeks the second keyboard refused to work altogether. Received a replacement…”
Keychron K4 V2
1,198 owner reviews
“I'm a do it yourself pc builders and the ketron is perfect. I can do wired for my work Mac and back to windows for my gaming PC. Easy buy, easy typing. Love it.”
Keychron J5 vs K4 V2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 20 specs differ
Keychron J5
Keychron K4 V2
Switch options
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Backlight
QMK
VIA
Mac & Windows
Released
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