Keychron J2 vs Lemokey P1 ProANSI or ISO-DE
Choose the J2 for QMK and VIA customization in ANSI, or the P1 Pro if you specifically want ISO-DE and an aluminum gasket-mount build.
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Which one should you get?
Get the
Keychron J2
QMK
Build quality in the top 40% of 75% boards under $100.
- QMK and VIA support are listed, with the vendor also describing remapping and macros through Keychron Launcher.
- The 75% ANSI layout includes listed multimedia keys.
- The vendor describes Last Key Priority for smoother directional changes in games.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Keychron Lemokey P1 Pro
Screw-in stabilizers
- Available in ISO-DE, with the vendor identifying it as a German 75% layout.
- Aluminum case and gasket-mount construction are listed.
- Uses a polycarbonate plate and screw-in stabilizers.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Pick the Keychron J2 if you want ANSI with QMK and VIA support, or if its lower listed weight and gaming-specific Last Key Priority feature are more useful to you. Choose the Lemokey P1 Pro when ISO-DE is essential or you prefer its aluminum case, gasket mount, and polycarbonate plate. Check the P1 Pro's south-facing LED compatibility rule if shine-through legends or sculpted keycaps matter to your setup.
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 J2
Keychron Lemokey P1 Pro
QMK
Yes
No
The deep option when you want to remap every key
VIA
Yes
No
GUI remapping without compiling firmware
Layout standard
ANSI
ISO, ISO-DE
ISO and JIS exist so regional layouts fit
Screw-in stabilizers
No
Yes
Easier to tune than the plate-mount stabs you get prebuilt
Backlight
RGB
RGB, south-facing
RGB for looks and low light rather than speed
- Keychron J2
- Keychron Lemokey P1 Pro
- Performance
- 6958
- Build quality
- 7176
- Productivity
- 7366
- Customizability
- 8662
- Portability
- 7350
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- Sound dampening
- Keycaps: PBT
What will you mostly use it for?
The J2 takes the edge for gaming, programming, travel, modding, and content creation, mainly through its listed firmware features, lower listed weight, and gaming-specific Last Key Priority feature. The P1 Pro is the more suitable office choice when ISO-DE is a priority, and its aluminum case and gasket mount are distinct build features. Both models have wireless connectivity, hot-swap support, and 1000 Hz polling, so those shared features do not resolve the layout and construction trade-off.
Pick the Keychron J2
- Both list 1000 Hz polling and 2.4 GHz wireless connectivity.
- The J2 vendor description specifies Last Key Priority for directional changes in games.
- The J2 has a listed weight of 808 g, compared with 1650 g for the P1 Pro.
Keychron J2 vs Lemokey P1 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 22 specs differ
Keychron J2
Keychron Lemokey P1 Pro
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
Backlight
QMK
VIA
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron J2
No ISO layout at the stores we track.
Keychron Lemokey P1 Pro
Listed on the product, not split by store: ISO-DE.
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 J2 vs Lemokey P1 Pro: your questions
The Lemokey P1 Pro is the fit for ISO-DE, and its vendor listing describes a German 75% layout. The J2 is listed as ANSI only, with no ISO variants.
Both list Bluetooth and 2.4 GHz connectivity, as well as wired use. The J2 vendor description says Bluetooth can connect to up to three devices.
The Keychron J2 lists both QMK and VIA support. The P1 Pro is listed as hot-swappable, but QMK and VIA support are not specified for it.
Both product listings identify these keyboards as hot-swappable. The P1 Pro vendor listing specifies 3-pin and 5-pin MX-style switch compatibility, while the J2 vendor description also mentions 3-pin and 5-pin MX-style switches.
The Lemokey P1 Pro is listed with an aluminum case, and its vendor describes it as CNC-machined aluminum. The J2 vendor specifications identify its build as ABS.
The J2 vendor listing gives a weight of 808 g, while the P1 Pro listing gives 1650 g. Based on those listed weights, the J2 is the lighter option.
Both list a 1000 Hz polling rate. The P1 Pro vendor specifies up to 1000 Hz over wired or 2.4 GHz connections, while the J2 vendor identifies 1000 Hz for wired and 2.4 GHz modes.
The P1 Pro has south-facing LEDs, and its compatibility rule says shine-through legends stay dark. It also warns that some sculpted keycaps can clip the LEDs.
The J2 vendor says its QMK firmware and Keychron Launcher support macros, along with key remapping and shortcuts. The product listing also identifies QMK and VIA support.
The Lemokey P1 Pro lists a gasket mount and polycarbonate plate. Those construction details are not listed for the J2.
Both list 1000 Hz polling and 2.4 GHz connectivity. The J2 vendor additionally describes Last Key Priority for directional changes in games, while the P1 Pro listing does not specify an equivalent feature.
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