Keychron J4 Qmk Wireless Mechanical Keyboard vs Keychron J5 Qmk Wireless Mechanical Keyboard
The short answer
Keychron J4 Qmk Wireless Mechanical Keyboard wins this comparison with a score of 68/100, ahead of Keychron J5 Qmk Wireless Mechanical Keyboard (60).
The main differences: Hot-swappable (✓ vs —) · Key count (100 vs 104).
Scores are computed from 6 public spec attributes; missing values stay marked unknown in tables and are imputed at the category median, never passed off as measured.
At a glance
0–100 per group, normalized within the category · Tap a group for details
How to choose
Pick the Keychron J4 Qmk Wireless Mechanical Keyboard if you care about…
- Hot-swappable ✓ vs —
Pick the Keychron J5 Qmk Wireless Mechanical Keyboard if you care about…
- Key count 104 +4 vs 100
Best price now
Cheap alternatives
Logitech MX Keys S
Razer BlackWidow V4 Pro
Aula F99
MCHOSE G75 Pro
Lofree -68
B.FRIENDit K23
Where they differ
2 · Only rows that actually differ, with a verdict per row
| Keychron J4 Qmk Wireless Mechanical Keyboard | Keychron J5 Qmk Wireless Mechanical Keyboard | Where they differ | |
|---|---|---|---|
| Hot-swappable | ✓ | — | Keychron J4 Qmk Wireless Mechanical Keyboard |
| Key count | 100 | 104 | Keychron J5 Qmk Wireless Mechanical Keyboard |
The record
Grouped and collapsible · Tap a group to fold
Design4▾
| Keychron J4 Qmk Wireless Mechanical Keyboard | Keychron J5 Qmk Wireless Mechanical Keyboard | |
|---|---|---|
| Layout | QWERTY | QWERTY |
| Hot-swappable | ✓ | — |
| Per-key RGB | ✓ | ✓ |
| Key count | 100 | 104 |
Connect1▾
| Keychron J4 Qmk Wireless Mechanical Keyboard | Keychron J5 Qmk Wireless Mechanical Keyboard | |
|---|---|---|
| Wired | ✓ | ✓ |
Feel1▾
| Keychron J4 Qmk Wireless Mechanical Keyboard | Keychron J5 Qmk Wireless Mechanical Keyboard | |
|---|---|---|
| Switch type | Linear | Linear |
Data sources: Amazon
FAQ
Which is better, Keychron J4 Qmk Wireless Mechanical Keyboard or Keychron J5 Qmk Wireless Mechanical Keyboard?
Keychron J4 Qmk Wireless Mechanical Keyboard has the higher overall score (68 vs 60). Choose Keychron J5 Qmk Wireless Mechanical Keyboard instead if Key count matters more to you.
What are the main differences?
The main differences: Hot-swappable (✓ vs —) · Key count (100 vs 104).
How are the scores calculated?
We normalize 6 public spec attributes within the category and weight them by group into a 0–100 score; missing values are inherited from spec-identical twins or imputed at the category median, so a sparse spec sheet never earns an advantage. The methodology is public.