Keychron K2 Ultra vs K4 V2
Get the Keychron K2 Ultra for the 8,000 Hz polling rate.
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
4.8 (1,198)4.8 · 1,198 reviews
from$59at Keychron
90-day lowLowest price in 90 days
Which one should you get?
Get the
Keychron K2 Ultra
polling rate
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.
- Missing ISO-DE, ISO-UK, ISO-Nordic. The other board is sold in those layouts.
- No numpad.
Get the
Keychron K4 V2
Build quality in the top 40% of 96% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- Missing ISO-FR, ISO-IT. The other board is sold in those layouts.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
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
Keychron K4 V2
Layout size
75%
96%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Max polling rate
8,000 Hz
1,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
ABS, Aluminum
ABS, Aluminum, Plastic
Mount style
Gasket Mount
Plate Mount, Tray Mount
- Keychron K2 Ultra
- Keychron K4 V2
- Performance
- 9063
- Build quality
- 8670
- Productivity
- 9467
- Customizability
- 9270
- Portability
- 8255
- Hot-swappable
- Battery: 4,000 mAh
- Switch options: Clicky, Linear, Tactile
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K2 Ultra
3 owner reviews
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
Keychron K4 V2
1,198 owner reviews
“I'm a do it yourself pc builders and the ketron is perfect. I can do wired for my work Mac and back to windows for my gaming PC. Easy buy, easy typing. Love it.”
Keychron K2 Ultra vs K4 V2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
15 of 25 specs differ
Keychron K2 Ultra
Keychron K4 V2
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
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
- Keychron (DE)
ISO-FR, ISO-ES, ISO-IT
In stockDoes not ship to you
Keychron K4 V2
- Keychron
ISO-DE, ISO-UK, ISO-Nordic
Out of stockShips to you
- Keychron (DE)
ISO-DE, ISO-UK, ISO-ES
Out of stockDoes not ship to you
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.