Epomaker DynaTab 75X vs Keychron B2 Pro Ultra-Slim
Keychron B2 Pro Ultra-Slim is the cheaper pick at $33.99, roughly 73% under Epomaker DynaTab 75X ($125.99). Keychron B2 Pro Ultra-Slim 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 B2 Pro Ultra-Slim |
|---|---|---|
| Name | Epomaker DynaTab 75X | Keychron B2 Pro Ultra-Slim |
| Brand | EPOMAKER | Keychron |
| Price range | $125.99 | $33.99 – $39.99 |
| Community score | — | — |
| Form factor | 75% | Full-size (100%) |
| Key count | 84 | 104 |
| Hot-swap | Yes | No |
| Supported switch pins | 3, 5 | 3, 5 |
| Case material | — | — |
| Plate material | — | — |
| Mounting style | — | — |
| Connectivity | 2.4GHz wireless (dongle) | Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle) |
| RGB lighting | Yes | No |
| Layouts supported | ANSI | — |
| QMK support | No | No |
| VIA support | No | No |
| Weight (g) | — | — |
| Polling rate (Hz) | — | — |
Name
- Epomaker DynaTab 75X
- Epomaker DynaTab 75X
- Keychron B2 Pro Ultra-Slim
- Keychron B2 Pro Ultra-Slim
Brand
- Epomaker DynaTab 75X
- EPOMAKER
- Keychron B2 Pro Ultra-Slim
- Keychron
Price range
- Epomaker DynaTab 75X
- $125.99
- Keychron B2 Pro Ultra-Slim
- $33.99 – $39.99
Community score
Form factor
- Keychron B2 Pro Ultra-Slim
- Full-size (100%)
Key count
Hot-swap
Supported switch pins
Case material
Plate material
Mounting style
Connectivity
- Epomaker DynaTab 75X
- 2.4GHz wireless (dongle)
- Keychron B2 Pro Ultra-Slim
- Wired USB-C, Bluetooth (5.0+), 2.4GHz wireless (dongle)
RGB lighting
Layouts supported
QMK support
VIA support
Weight (g)
Polling rate (Hz)
Which should you buy?
Keychron B2 Pro Ultra-Slim is the cheaper pick at $33.99, roughly 73% under Epomaker DynaTab 75X ($125.99). Keychron B2 Pro Ultra-Slim 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
- You plan to swap switches without soldering
- You want per-key RGB lighting
Pick Keychron B2 Pro Ultra-Slim if
From $33.99
- You want a full-size (100%) layout
- You're on a tighter budget
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