Keychron J2 vs Newmen GM840 Pro
Get the Keychron J2 for the 3,750 mAh battery and qmk.
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 J2
Newmen GM840 Pro
Battery
3,750 mAh
2,000 mAh
Switch options
Clicky, Linear, Tactile
Clicky, Linear
QMK
Yes
No
VIA
Yes
No
Media keys
Yes
No
- Keychron J2
- Newmen GM840 Pro
- Performance
- 7049
- Build quality
- 7141
- Productivity
- 7463
- Customizability
- 8654
- Portability
- 7376
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J2
11 owner reviews
“I absolutely love this keyboard. It sounds amazing and the red switches are so smooth in feel. The colours are also great.”
“The keyboard is nice, but it took over 3 weeks of shipping to arrive. On their website it says they deliver in a week or under to the US.”
Newmen GM840 Pro
No owner reviews collected yet.
Keychron J2 vs Newmen GM840 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 20 specs differ
Keychron J2
Newmen GM840 Pro
Switch options
Hot-swappable
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
Released
Compare prices
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Lowest price across stores, Amazon excluded.
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