Dwarf Wangchuan GuangQi40 vs PromoType Key Boy Advance 50 KBA50
Get the Dwarf Wangchuan GuangQi40 for the 2,400 mAh battery.
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![[In Stock] GuangQi40 40% Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/3_f9db0f02-e41b-4619-910e-31d54b65865c.png?v=1735804775&width=3840&quality=75)
![[Pre Order] PromoType Key Boy Advance 50 KBA50 Keyboard Kit](https://cdn.shopify.com/s/files/1/1674/0405/files/Front_cover.png?v=1782797951&width=3840&quality=75)
Which one should you get?
Get the
Dwarf Wangchuan GuangQi40
Battery
Build quality in the top 15% of 40% boards under $200.
- Compact layout only. No function row, dedicated arrow keys, or numpad.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Dwarf Wangchuan GuangQi40
PromoType Key Boy Advance 50 KBA50
Layout size
40%
50%
Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
2,400 mAh
1,000 mAh
A larger battery means fewer cables during the day
Case material
Aluminum
Aluminum, Polycarbonate
Mount style
Gasket Mount
Top Mount
- Dwarf Wangchuan GuangQi40
- PromoType Key Boy Advance 50 KBA50
- Performance
- 6152
- Build quality
- 8369
- Productivity
- 7359
- Customizability
- 8668
- Portability
- 8986
- Hot-swappable
- Ergonomics: Split Spacebar
Dwarf Wangchuan GuangQi40 vs PromoType Key Boy Advance 50 KBA50 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 23 specs differ
Dwarf Wangchuan GuangQi40
PromoType Key Boy Advance 50 KBA50
Switch options
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
VIAL
N-key rollover
Mac & Windows
Released
Compare prices
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Not sold on either?
![[In-stock] Capy60 R2 60% Mechanical Keyboard Kit](https://cdn.shopify.com/s/files/1/0109/9182/9049/files/DSC03178.webp?v=1739864781&width=3840&quality=75)
![[In Stock] Sirius Manta Low switch 40% Bluetooth Dual Mode Mechanical Keyboard Kit](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/untitled.159.jpg?v=1761717751&width=3840&quality=75)
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