
This comparison is for buyers deciding between two Keychron QMK keyboards that share hot-swap sockets and programmability but diverge on almost everything else. The J3 SE is a 96% ABS wireless board with Bluetooth, 2.4 GHz, and a 4000 mAh battery, while the Q3 is a wired 80% TKL with a CNC machined aluminum body, steel plate, and double-gasket design. The decision is hard because one prioritizes layout completeness and cable-free use, and the other prioritizes case rigidity, mounting feel, and ISO language coverage. Your daily workflow, whether it leans on a numpad, multi-device switching, or a heavier desktop fixture, should decide it.
80 Overall/ Value 80.0Build Quality 68.3Customizability 86.3Performance 80.2Productivity 88.6Portability 56.5 | 97 Overall/ Value 96.7Build Quality 90.9Customizability 98.1Performance 72.0Productivity 97.5Portability 57.2![]() | Select a keyboard to compare |
5.0 stars (1 reviews) | 4.7 stars (321 reviews) | |
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Name Keychron J3 SE | Name Keychron Q3 | |
Release year 2026 | Release year 2022 | |
Switch Options Linear, Tactile, Clicky | Switch Options Linear, Tactile, Clicky, Silent | |
Profile Normal Profile | Profile Normal Profile | |
Hot Swappable | Hot Swappable | |
Layout Size 96% | Layout Size 80% | |
Layout Standard ANSI | Layout Standard ANSI, ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK | |
Layout Ergonomics Normal | Layout Ergonomics Normal | |
Knob Support | Knob Support | |
Display Support | Display Support | |
Mac/Win Support | Mac/Win Support | |
Multi-Media Keys | Multi-Media Keys | |
USB-C | USB-C | |
USB passthrough | USB passthrough | |
Connection Bluetooth, 2.4 GHz, Wired, Wireless | Connection Wired, Wired only | |
Polling Rate 1000 Hz | Polling Rate 1000 Hz | |
Battery capacity 4000 mAh | Battery capacity - | |
Hall Effect Support | Hall Effect Support | |
QMK Support | QMK Support | |
VIA Support | VIA Support | |
VIAL Support | VIAL Support | |
N-Key Rollover | N-Key Rollover | |
Rapid Trigger | Rapid Trigger | |
Mount Style - | Mount Style Gasket Mount | |
Screw in Stabilizers | Screw in Stabilizers | |
Sound Dampening | Sound Dampening | |
Backlight Rgb, White, North-face | Backlight Rgb, South-face | |
Case Colors | Case Colors | |
Case Material ABS | Case Material Aluminum | |
Keycaps Material PBT | Keycaps Material PBT, ABS | |
Dimensions 43 x 406 x 139 mm | Dimensions 20 x 137 x 365 mm | |
Weight 1145g | Weight 2000g |
Pick the J3 SE if wireless connectivity, a 96% layout with a numpad, and a 4000 mAh battery are your priorities, since it covers Bluetooth, 2.4 GHz, and wired use in one board. Pick the Q3 if you want a CNC machined aluminum gasket-mounted TKL with ISO layout options, a programmable knob, and barebone kit availability for modding. The primary differentiator is wireless versus wired: the J3 SE frees you from cables, while the Q3 invests in case rigidity and layout coverage.
The J3 SE takes Gaming, Office, and Travel on the strength of its tri-mode wireless, 1000 Hz 2.4 GHz polling, 4000 mAh battery, and lighter 1145 g body. The Q3 wins Programming, Modding, and Content Creation through its ISO layout coverage, barebone kit availability, double-gasket aluminum construction, and programmable knob. Neither board is a clean sweep, so the choice hinges on whether wireless freedom or a rigid, moddable desktop platform matters more. Buyers who need both can treat the J3 SE as the portable board and the Q3 as the desk fixture.
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