Keychron K2 Ultra vs LANGTU LT84
Get the Keychron K2 Ultra for qmk. Get the LANGTU LT84 for rapid trigger and knob.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
5.0 (3)5.0 · 3 reviews
from$119at MK
No reviews
from$89at Mechkeys
Which one should you get?
Get the
Keychron K2 Ultra
QMK
Build quality in the top 10% of 75% boards under $150.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
LANGTU LT84
Rapid trigger
Build quality in the bottom 20% of 75% boards under $100.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
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
LANGTU LT84
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Mount style
Gasket Mount
Sandwich Mount
Knob
No
Yes
Display
None
Yes
A case display rather than a typing feature
QMK
Yes
No
The deep option when you want to remap every key
- Keychron K2 Ultra
- LANGTU LT84
- Performance
- 9074
- Build quality
- 8650
- Productivity
- 9483
- Customizability
- 9273
- Portability
- 8277
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
- Keycaps: PBT
Keychron K2 Ultra vs LANGTU LT84 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 27 specs differ
Keychron K2 Ultra
LANGTU LT84
Switch options
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
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.
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.
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron K2 Ultra
- Go to Keychron (DE)
Keychron (DE)
ISO-FR, ISO-ES, ISO-IT
In stockDoes not ship to you
LANGTU LT84
No ISO layout at the stores we track.
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.














