Keychron J3 SE vs V5 Ultra
Get the Keychron V5 Ultra for the 8,000 Hz polling rate and knob.
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 J3 SE
Keychron V5 Ultra
Max polling rate
1,000 Hz
8,000 Hz
Case material
ABS
ABS, Metal, Plastic
Knob
No
Yes
Weight
1,145 g
983 g
Layout standard
ANSI
ANSI, ISO, ISO-ES
- Keychron J3 SE
- Keychron V5 Ultra
- Performance
- 8091
- Build quality
- 6883
- Productivity
- 8998
- Customizability
- 8694
- Portability
- 5756
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- Switch options: Clicky, Linear, Tactile
- QMK
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J3 SE
1 owner reviews
“I love the keyboard! Everything was as expected but the keys are even smoother than I could have hoped for. I love the color, it matches exactly what was displayed on the website. Setup was very easy once I actually read the manual. I like that it gives you…”
Keychron V5 Ultra
1 owner reviews
“Hi Keychron team, I wanted to share some feedback regarding your new Ultra line of keyboards. While the backlighting is present, the legends on most of your keyboards are not properly illuminated. I don’t quite understand the point of this design—these…”
Keychron J3 SE vs V5 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 27 specs differ
Keychron J3 SE
Keychron V5 Ultra
Switch options
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
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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