Keychron K2 Ultra vs Yunzii RT80 HE
Get the Yunzii RT80 HE for hall effect and rapid trigger.
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 RT80 HE
Hall effect (magnetic)
No
Yes
Rapid trigger
No
Yes
Battery
4,000 mAh
5,000 mAh
Switch options
Clicky, Linear, Tactile
Clicky, Magnetic
Weight
1,084 g
940 g
- Keychron K2 Ultra
- Yunzii RT80 HE
- Performance
- 9098
- Build quality
- 8662
- Productivity
- 9479
- Customizability
- 9264
- Portability
- 8283
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 8,000 Hz
- 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 RT80 HE
No owner reviews collected yet.
Keychron K2 Ultra vs Yunzii RT80 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 27 specs differ
Keychron K2 Ultra
Yunzii RT80 HE
Switch options
Hall effect (magnetic)
Rapid trigger
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
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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