Keychron K2 Ultra vs K4 V3
Get the Keychron K2 Ultra for the 8,000 Hz polling rate.
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5.0 (3)5.0 · 3 reviews
from$119at MK
5.0 (4)5.0 · 4 reviews
from$94at Keychron
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 V3
Build quality in the top 5% of 96% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-FR, ISO-ES, 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 V3
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
Aluminum, Plastic
Mount style
Gasket Mount
Tray Mount
- Keychron K2 Ultra
- Keychron K4 V3
- Performance
- 9082
- Build quality
- 8687
- Productivity
- 9495
- Customizability
- 9296
- Portability
- 8254
- Hot-swappable
- Battery: 4,000 mAh
- Switch options: Clicky, Linear, Tactile
- QMK
- VIA
- Sound dampening
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 V3
4 owner reviews
“I am overall extremely impressed with this keyboard! I upgraded from a Corsair K70 Luxe that I had for many years, and this feels like miles better of an experience. I am impressed how good the Banana switches are, they are a little more tactile than the…”
Keychron K2 Ultra vs K4 V3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 26 specs differ
Keychron K2 Ultra
Keychron K4 V3
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
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.
Keychron K2 Ultra
Keychron (DE)
ISO-FR, ISO-ES, ISO-IT
In stockDoes not ship to you
Keychron K4 V3
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-CH
In stockShips 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.
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