Keychron K3 Pro vs Keychron S1
The Keychron K3 Pro and the Keychron S1 are close alternatives. The main differences: the Keychron K3 Pro is the cheaper of the two at $68 versus $83; the Keychron K3 Pro runs wireless where the Keychron S1 is wired-only; stock, the Keychron K3 Pro sounds light clack and the Keychron S1 low-pitched clack.
- Lower priceKeychron K3 Pro$68 versus $83
- More ways to connectKeychron K3 Pro2 connection modes versus 1
Choose the Keychron K3 Pro if
- you mainly want it for travel.
- you mainly want it for programming.
- you want to spend less ($68).
- you need wireless.
Choose the Keychron S1 if
- you mainly want it for office.
- you mainly want it for enthusiast.
Keychron K3 Pro vs Keychron S1, spec by spec
| Keychron K3 Pro | Keychron S1 | |
|---|---|---|
| Layout | 75% | 75% |
| Height | Low profile | Low profile |
| Connectivity | Bluetooth, Wired (stronger spec) | Wired |
| Hot-swap | Yes | Yes |
| Keycaps | PBT double-shot, LSA low-profile | PBT double-shot, LSA low-profile |
| Case | ABS plastic, aluminum top frame | Full CNC 6063 aluminum |
| Mount | Tray | Tray |
| Backlight | RGB | RGB |
| QMK / VIA | Yes | Yes |
| Battery | 1550 mAh | n/a |
| Typical price | $68 (stronger spec) | $83 |
| Sound (stock) | light clack | low-pitched clack |
| Released | 2023 | 2022 |
Highlighted rows are where the two differ; a check marks the objectively stronger spec (price, battery, modability). Feel and preference rows never get a check. Fields marked n/a are unpublished by the maker; we list only verifiable numbers.
Where they sit among all 509 boards we track
10% of the 509 boards tracked here cost less than the Keychron K3 Pro; 20% of the 509 boards tracked here cost less than the Keychron S1.
4% of the 172 wireless boards tracked here carry a smaller battery than the Keychron K3 Pro.
Where to buy the Keychron K3 Pro
Where to buy the Keychron S1
KeebScout is reader-supported: some links may earn a commission at no extra cost to you. It never changes specs or rankings.
Still torn? The keyboard finder ranks all 502 boards for your size, budget, and use case in five quick questions.