Keychron K5 SE vs Keychron K7 Ultra-slim
Keychron K7 Ultra-slim is the cheaper pick at $63.99, roughly 25% under Keychron K5 SE ($84.99). Keychron K5 SE offers more keys for full-layout workflows, while Keychron K7 Ultra-slim 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 K5 SE | Keychron K7 Ultra-slim |
|---|---|---|
| Name | Keychron K5 SE | Keychron K7 Ultra-slim |
| Brand | Keychron | Keychron |
| Price range | $84.99 | $63.99 – $89.99 |
| Community score | — | — |
| Form factor | Full-size (100%) | 65% |
| Key count | 104 | 68 |
| Hot-swap | Yes | Yes |
| Supported switch pins | 3, 5 | 3 |
| Case material | — | Aluminum 6063 |
| Plate material | — | Polycarbonate |
| Mounting style | — | Gasket mount |
| Connectivity | Wired USB-C, Bluetooth (5.0+) | Wired USB-C, Bluetooth (5.0+) |
| RGB lighting | Yes | Yes |
| Layouts supported | ISO DE | ISO DE |
| QMK support | — | No |
| VIA support | — | No |
| Weight (g) | — | — |
| Polling rate (Hz) | — | — |
Name
- Keychron K5 SE
- Keychron K5 SE
- Keychron K7 Ultra-slim
- Keychron K7 Ultra-slim
Brand
- Keychron K5 SE
- Keychron
- Keychron K7 Ultra-slim
- Keychron
Price range
- Keychron K5 SE
- $84.99
- Keychron K7 Ultra-slim
- $63.99 – $89.99
Community score
Form factor
- Keychron K5 SE
- Full-size (100%)
Key count
Hot-swap
Supported switch pins
- Keychron K5 SE
- 3, 5
Case material
- Keychron K7 Ultra-slim
- Aluminum 6063
Plate material
- Keychron K7 Ultra-slim
- Polycarbonate
Mounting style
- Keychron K7 Ultra-slim
- Gasket mount
Connectivity
- Keychron K5 SE
- Wired USB-C, Bluetooth (5.0+)
- Keychron K7 Ultra-slim
- Wired USB-C, Bluetooth (5.0+)
RGB lighting
Layouts supported
- Keychron K5 SE
- ISO DE
- Keychron K7 Ultra-slim
- ISO DE
QMK support
VIA support
Weight (g)
Polling rate (Hz)
Which should you buy?
Keychron K7 Ultra-slim is the cheaper pick at $63.99, roughly 25% under Keychron K5 SE ($84.99). Keychron K5 SE offers more keys for full-layout workflows, while Keychron K7 Ultra-slim 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 K5 SE if
From $84.99
- You want a full-size (100%) layout
Pick Keychron K7 Ultra-slim if
From $63.99
- You want a 65% layout
- You're on a tighter budget
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