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.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
No reviews
from$129at WhatGeek
90-day lowLowest price in 90 days
5.0 (6)5.0 · 6 reviews
from$119at Keychron
Which one should you get?
Get the
Coolkiller Balloon84
Battery
Build quality in the bottom 40% of 75% boards under $150.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Keychron K3 HE
Hall effect
Build quality in the top 10% of 75% boards under $150.
- Magnetic switches only. Standard MX switches will not fit.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Battery
3,500 mAh
2,600 mAh
A larger battery means fewer cables during the day
Case material
Aluminum, Plastic
ABS, Aluminum, Wood
Switch options
Linear
Clicky, Linear, Magnetic, Tactile
- Coolkiller Balloon84
- Keychron K3 HE
- Performance
- 5492
- Build quality
- 6186
- Productivity
- 7889
- Customizability
- 6389
- Portability
- 8382
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- Sound dampening
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
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Coolkiller Balloon84
No ISO layout at the stores we track.
Keychron K3 HE
Keychron
ISO-DE
In stockShips to you
Keychron (DE)
ISO-DE, ISO-FR, ISO-ES
In stockDoes not ship to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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.
Lowest price across stores, Amazon excluded.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.