Keychron K3 Max vs K5 Ultra
Get the Keychron K5 Ultra for the 2,600 mAh battery and the 8,000 Hz polling rate.
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 K3 Max
Keychron K5 Ultra
Layout size
75%
100%
Battery
1,550 mAh
2,600 mAh
Max polling rate
1,000 Hz
8,000 Hz
Case material
ABS, Aluminum, Plastic, Wood
ABS, Metal, Wood
Knob
No
Yes
- Keychron K3 Max
- Keychron K5 Ultra
- Performance
- 8191
- Build quality
- 8675
- Productivity
- 9493
- Customizability
- 9189
- Portability
- 7756
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Low profile
- Switch options: Clicky, Linear, Tactile
- QMK
- VIA
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 Max
16 owner reviews
“Noce keyboard, i appreciate the level of customization QMK provides. One thing was little disappointing - the tactile feeling comparing to K3. Other than that its very good kb!”
“I sold my k3 pro and got this. The one I got drops connection intermittently or doesn't type or respond right away. It sounds nice, but stiff reds are not as pleasant to type on as previous keyboards reds. I really thought I ordered hotswap RGB max but seems…”
Keychron K5 Ultra
4 owner reviews
“This keyboard is exactly what I was looking for. Low profile, great switches, not uber gamery. Very happy so far, hopefully it keeps working for a long time.”
Keychron K3 Max vs K5 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 28 specs differ
Keychron K3 Max
Keychron K5 Ultra
Switch options
Hot-swappable
Mount style
Low profile
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
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.
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