Coolkiller Balloon84 vs Keychron K3 HE
Get the Coolkiller Balloon84 for the 3,500 mAh battery. Get the Keychron K3 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.
Coolkiller Balloon84
Keychron K3 HE
Hall effect (magnetic)
No
Yes
Rapid trigger
No
Yes
Battery
3,500 mAh
2,600 mAh
Case material
Aluminum, Plastic
ABS, Aluminum, Wood
Switch options
Linear
Clicky, Linear, Magnetic, Tactile
- Coolkiller Balloon84
- Keychron K3 HE
- Performance
- 5592
- Build quality
- 6186
- Productivity
- 7888
- Customizability
- 6389
- Portability
- 8382
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Coolkiller Balloon84
No owner reviews collected yet.
Keychron K3 HE
8 owner reviews
“I am happy with this keyboard! I needed some time to adjust my typing habits, but so far so good.”
“please add a custom firmware file in your as the app can not recognize the keyboard and apparently doesn't have a correct firmware. the reset buttons do not work as well”
Coolkiller Balloon84 vs Keychron K3 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 28 specs differ
Coolkiller Balloon84
Keychron K3 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
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.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
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