Epomaker DynaTab 75X vs Keychron K4 QMK Wireless (Version 3)
Keychron K4 QMK Wireless (Version 3) is the cheaper pick at $79.99, roughly 37% under Epomaker DynaTab 75X ($125.99). Keychron K4 QMK Wireless (Version 3) offers more keys for full-layout workflows, while Epomaker DynaTab 75X 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 | Epomaker DynaTab 75X | Keychron K4 QMK Wireless (Version 3) |
|---|---|---|
| Name | Epomaker DynaTab 75X | Keychron K4 QMK Wireless (Version 3) |
| Brand | EPOMAKER | Keychron |
| Price range | $125.99 | $79.99 – $104.99 |
| Community score | — | — |
| Form factor | 75% | 96% |
| Key count | 84 | 100 |
| Hot-swap | Yes | Yes |
| Supported switch pins | 3, 5 | 3, 5 |
| Case material | — | Aluminum 6063 |
| Plate material | — | Aluminum 6063 |
| Mounting style | — | Gasket mount |
| Connectivity | 2.4GHz wireless (dongle) | Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle) |
| RGB lighting | Yes | Yes |
| Layouts supported | ANSI | ANSI, ISO DE |
| QMK support | No | Yes |
| VIA support | No | Yes |
| Weight (g) | — | — |
| Polling rate (Hz) | — | — |
Name
- Epomaker DynaTab 75X
- Epomaker DynaTab 75X
- Keychron K4 QMK Wireless (Version 3)
- Keychron K4 QMK Wireless (Version 3)
Brand
- Epomaker DynaTab 75X
- EPOMAKER
Price range
- Epomaker DynaTab 75X
- $125.99
- Keychron K4 QMK Wireless (Version 3)
- $79.99 – $104.99
Community score
Form factor
Key count
Hot-swap
Supported switch pins
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
- Epomaker DynaTab 75X
- 2.4GHz wireless (dongle)
- Keychron K4 QMK Wireless (Version 3)
- Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle)
RGB lighting
Layouts supported
- Keychron K4 QMK Wireless (Version 3)
- ANSI, ISO DE
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 37% under Epomaker DynaTab 75X ($125.99). Keychron K4 QMK Wireless (Version 3) offers more keys for full-layout workflows, while Epomaker DynaTab 75X 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 Epomaker DynaTab 75X if
From $125.99
- You want a 75% layout
Pick Keychron K4 QMK Wireless (Version 3) if
From $79.99
- You want a 96% layout
- You're on a tighter budget
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