Knife Lab Dolphins75 vs Keychron K2 Ultra
Get the Keychron K2 Ultra for the 8,000 Hz polling rate and qmk.
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![[In Stock] Dolphins75 75% Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/products/7ce4f9b819d9d19cecd21e99770e30b1.jpg?v=1702526832&width=3840&quality=75)
No reviews
from$229at Velocifire
5.0 (3)5.0 · 3 reviews
from$119at MK
Which one should you get?
Get the
Knife Lab Dolphins75
Build quality in the top 40% of 75% boards under $300.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
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.
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.
Knife Lab Dolphins75
Keychron K2 Ultra
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Max polling rate
1,000 Hz
8,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
Aluminum
ABS, Aluminum
Weight
2,400 g
1,084 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key
- Knife Lab Dolphins75
- Keychron K2 Ultra
- Performance
- 6990
- Build quality
- 7286
- Productivity
- 6294
- Customizability
- 6992
- Portability
- 6082
- Layout size: 75%
- Hot-swappable
- Mount style: Gasket Mount
- VIA
Knife Lab Dolphins75 vs Keychron K2 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 26 specs differ
Knife Lab Dolphins75
Keychron K2 Ultra
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
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.
Knife Lab Dolphins75
No ISO layout at the stores we track.
Keychron K2 Ultra
- Keychron (DE)
ISO-FR, ISO-ES, ISO-IT
In stockDoes not ship to you
Not sold on either?
![[In Stock] GT75 75% Dual Mode Aluminum Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/7e77cc86eebea0bd0447d1b663e2543.jpg?v=1751613602&width=3840&quality=75)
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