Keychron K4 QMK Wireless (Version 3) vs Keychron K5 Pro
Keychron K4 QMK Wireless (Version 3) is the cheaper pick at $79.99, roughly 10% under Keychron K5 Pro ($89.24). Keychron K5 Pro offers more keys for full-layout workflows, while Keychron K4 QMK Wireless (Version 3) trims the footprint. The right pick comes down to which spec trade-offs fit your build — the pick-if grid below breaks that out in detail.
Detailed comparison
Spec-by-spec breakdown — differences highlighted in cyan.
| Spec | Keychron K4 QMK Wireless (Version 3) | Keychron K5 Pro |
|---|---|---|
| Name | Keychron K4 QMK Wireless (Version 3) | Keychron K5 Pro |
| Brand | Keychron | Keychron |
| Price range | $79.99 – $104.99 | $89.24 |
| Community score | — | — |
| Form factor | 96% | Full-size (100%) |
| Key count | 100 | 108 |
| Hot-swap | Yes | Yes |
| Supported switch pins | 3, 5 | 3, 5 |
| Case material | Aluminum 6063 | — |
| Plate material | Aluminum 6063 | — |
| Mounting style | Gasket mount | — |
| Connectivity | Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle) | Wired USB-C, Bluetooth (5.0+) |
| RGB lighting | Yes | Yes |
| Layouts supported | ANSI, ISO DE | ANSI |
| QMK support | Yes | Yes |
| VIA support | Yes | Yes |
| Weight (g) | — | — |
| Polling rate (Hz) | — | — |
Name
- Keychron K4 QMK Wireless (Version 3)
- Keychron K4 QMK Wireless (Version 3)
- Keychron K5 Pro
- Keychron K5 Pro
Brand
- Keychron K5 Pro
- Keychron
Price range
- Keychron K4 QMK Wireless (Version 3)
- $79.99 – $104.99
- Keychron K5 Pro
- $89.24
Community score
Form factor
- Keychron K5 Pro
- Full-size (100%)
Key count
Hot-swap
Supported switch pins
- Keychron K5 Pro
- 3, 5
Case material
- Keychron K4 QMK Wireless (Version 3)
- Aluminum 6063
Plate material
- Keychron K4 QMK Wireless (Version 3)
- Aluminum 6063
Mounting style
- Keychron K4 QMK Wireless (Version 3)
- Gasket mount
Connectivity
- Keychron K4 QMK Wireless (Version 3)
- Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle)
- Keychron K5 Pro
- Wired USB-C, Bluetooth (5.0+)
RGB lighting
Layouts supported
- Keychron K4 QMK Wireless (Version 3)
- ANSI, ISO DE
- Keychron K5 Pro
- ANSI
QMK support
VIA support
Weight (g)
Polling rate (Hz)
Which should you buy?
Keychron K4 QMK Wireless (Version 3) is the cheaper pick at $79.99, roughly 10% under Keychron K5 Pro ($89.24). Keychron K5 Pro offers more keys for full-layout workflows, while Keychron K4 QMK Wireless (Version 3) trims the footprint. The right pick comes down to which spec trade-offs fit your build — the pick-if grid below breaks that out in detail.
Pick Keychron K4 QMK Wireless (Version 3) if
From $79.99
- You want a 96% layout
- You're on a tighter budget
Pick Keychron K5 Pro if
From $89.24
- You want a full-size (100%) layout
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