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.
Keychron K2 Ultra
Yunzii AL75
Battery
4,000 mAh
6,000 mAh
Max polling rate
8,000 Hz
1,000 Hz
Case material
ABS, Aluminum
Aluminum
Weight
1,084 g
1,410.58 g
QMK
Yes
No
- Keychron K2 Ultra
- Yunzii AL75
- Performance
- 9058
- Build quality
- 8663
- Productivity
- 9476
- Customizability
- 9272
- Portability
- 8291
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Switch options: Clicky, Linear, Tactile
- Mount style: Gasket Mount
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K2 Ultra
4 owner reviews
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
“The only "zmk" support is from the launcher itself and its missing most of the ZMK features. For example Combos!”
Yunzii AL75
No owner reviews collected yet.
Keychron K2 Ultra vs Yunzii AL75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 25 specs differ
Keychron K2 Ultra
Yunzii AL75
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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Lowest price across stores, Amazon excluded.
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