Keychron J1 vs V1 MaxLow-Profile or Gasket
Choose the J1 for a low-profile design, or the V1 Max for its larger battery and more flexible MX switch support.
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4.0 (1)4.0 · 1 reviews
from$59at Keychron
4.9 (14)4.9 · 14 reviews
from$94at MK
Which one should you get?
Get the
Keychron J1
Build quality in the top 40% of 75% boards under $100.
- Low-profile 75% ANSI design with low-profile double-shot PBT keycaps.
- Listed weight of 661 g, lighter than the V1 Max.
- Supports Bluetooth, 2.4 GHz, and wired connections, with 1000 Hz polling over 2.4 GHz and wired.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Keychron V1 Max
Battery
Build quality in the top 5% of 75% boards under $100.
- 4000 mAh battery, with the vendor listing up to 190 hours with backlighting off.
- Gasket mount and polycarbonate plate are described as reducing acoustic resonance.
- Hot-swap support for most 3-pin and 5-pin MX mechanical switches.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Pick the J1 if low-profile keys and lower weight matter most, and confirm that its limited low-profile switch compatibility suits your plans. Choose the V1 Max if you want a larger battery, a gasket-mounted build, a knob, or broader MX switch options. Both provide 75% layouts, wireless connectivity, and QMK customization, so the decision largely comes down to typing profile and expansion flexibility.
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 J1
Keychron V1 Max
Battery
2,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Case material
ABS
ABS, Plastic
Knob
No
Yes
Weight
661 g
770 g
Heavier boards stay planted and lighter ones travel
- Keychron J1
- Keychron V1 Max
- Performance
- 8283
- Build quality
- 7186
- Productivity
- 8997
- Customizability
- 8698
- Portability
- 8079
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- Switch options: Clicky, Linear, Tactile
- QMK
What will you mostly use it for?
The J1's lower weight and low-profile format make it the more travel-oriented pick, while the V1 Max has stronger evidence for office work, programming, modding, and media controls. Gaming is close on the stated polling figures, with the J1 adding a vendor-described Last Key Priority feature and the V1 Max offering a gasket mount. Both share wireless options, a 75% layout, and QMK-based customization. Choose based on profile and switch compatibility rather than expecting a clear difference in polling rate.
It's a tie
- Both list 1000 Hz polling over 2.4 GHz and wired connections.
- The J1 vendor description highlights Last Key Priority for directional changes in games.
- The V1 Max offers Gateron Jupiter switch options and a gasket-mounted PC plate.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron J1
1 owner reviews
“I like everything about this keyboard: the keys, their profile, the typing sound of the banana switch, the shape of the keyboard itself, and its size. There are no battery issues either; it holds a charge surprisingly long, and I don't remember the last time…”
Keychron V1 Max
14 owner reviews
“Feels great, haven't got a new KB since my Novatouch. Great high end features and feel, DSA caps on it feel good.”
Keychron J1 vs V1 Max specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 28 specs differ
Keychron J1
Keychron V1 Max
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
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron J1
No ISO layout at the stores we track.
Keychron V1 Max
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-IT, ISO-SW, ISO-PT
In stockDoes not ship to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
Keychron J1 vs V1 Max: your questions
The J1 is a low-profile keyboard with low-profile double-shot PBT keycaps. The V1 Max uses a standard-profile design with a gasket mount, polycarbonate plate, knob, and larger battery.
The V1 Max has a 4000 mAh battery, while the J1 has a 2000 mAh battery. Keychron lists up to 190 hours for the V1 Max with backlighting off, with actual use varying.
Both product listings include hot-swap support. The J1 hot-swap version is specified for Gateron and Keychron low-profile mechanical switches, while the V1 Max supports most 3-pin and 5-pin MX mechanical switches.
The Keychron J1 is the low-profile model and uses low-profile double-shot PBT keycaps. The V1 Max has standard-profile OSA keycaps, described as OEM-height with an SA-like shape.
Both list 1000 Hz polling over 2.4 GHz and wired connections. The V1 Max vendor specifications list 90 Hz in Bluetooth mode, while the J1 product description lists 125 Hz in Bluetooth mode.
Both product metadata listings specify QMK and VIA support. Their vendor descriptions also identify Keychron Launcher as a web app for key remapping and macros.
The V1 Max has broader stated switch compatibility, supporting most 3-pin and 5-pin MX mechanical switches. The J1 hot-swap option is limited to Gateron and Keychron low-profile mechanical switches.
Both support Bluetooth and 2.4 GHz wireless, as well as wired USB-C connectivity in their listings. The J1 vendor description specifies Bluetooth 5.2, while the V1 Max description specifies Bluetooth 5.1.
The J1 weighs 661 g, compared with the V1 Max at 770 g. Both are 75% keyboards and support Bluetooth and 2.4 GHz wireless connections.
Yes, the V1 Max listing includes knob support, and the vendor offers a fully assembled knob version. The J1's listed extra features do not include a knob.
The V1 Max uses a gasket mount and polycarbonate plate, which Keychron says reduce acoustic resonance and provide a softer, quieter typing experience. It also has screw-in PCB stabilizers.
The J1 listing includes sound dampening, and Keychron describes IXPE acoustic foam and latex foam inside the keyboard. These are distinct from the V1 Max's stated gasket mount and polycarbonate plate.
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