Compare
Pick two boards from the directory and see how they differ.
Shaded rows are where they differ.
| Spec |  Keychron Keychron J4 $60–$70 “Wireless 80% TKL with hot-swap, QMK and a big battery” |  Keychron Keychron V3 $60–$70 “QMK support under $100 is absurd” Budget King |
|---|---|---|
| Price | $60–$70 | $60–$70 |
| Size | TKL | TKL |
| Type , different | Barebones | Pre-built |
| Connectivity , different | Wireless + Wired | Wired |
| Released , different | 2025 | 2022 |
| Mounting , different | Integrated Plate | Tray Mount |
| Case , different | Not listed | ABS Plastic |
| Colors , different | Black, White, Dark Blue | Frosted Black, Carbon Black |
| Weight , different | 870 g / 1.92 lbs | 966g |
| Dimensions , different | 365.72 x 137.71mm | 359 x 138.5 x 31mm |
| Typing angle , different | Not listed | 5.2° |
| Front height , different | Not listed | 22mm |
| Switches | Mechanical | Mechanical |
| Profile | Standard | Standard |
| Keycaps , different | Double-shot PBT | Double-shot PBT, OSA Profile |
| PCB , different | Hot-swap | Hot-swap, South-facing RGB |
| Plates , different | Not listed | Steel |
| Battery , different | 3750 mAh, up to 288 hours | — |
| Compatible switches , different | MX-style | MX-style 3-pin and 5-pin |
| Software , different | QMK, Keychron Launcher | QMK, VIA |
| NKRO | Yes | Yes |
| RGB , different | No | Yes |
| Features , different | TKL layout, Tri-mode, Hot-swap, QMK/VIA | QMK/VIA, 80% TKL with Knob, Hot-swap, Screw-in Stabs, Double-shot PBT, South-facing LEDs, 1000Hz Polling |
| Good for , different | Typists who want a TKL with wireless QMK | A first QMK/VIA keyboard on a small budget Learning switch swapping without soldering Desk or office use where wireless is not needed TKL fans who want arrow keys and a nav cluster |
| Skip if , different | Anyone who needs a review-backed purchase Buyers who want a metal case | Anyone who needs wireless Buyers who want an aluminum case People who want a soft, flexy gasket-style feel Buyers who need a guaranteed in-stock listing |
| Pros , different | TKL layout with a dedicated function row and navigation keys (Keeb-finder) Tri-mode connection with QMK and Launcher Large battery rated at up to 288 hours (Keychron) Hot-swap sockets | QMK firmware with the Keychron Launcher web app for remapping and macros Hot-swap sockets, so switches can be changed without soldering Screw-in PCB stabilizers; Keychron says third-party screw-in stabilizers also fit Double-shot PBT keycaps and K Pro switches on the assembled version (pre-lubed except the clicky Blue) Steel plate with a tray mount, which reviewers of the V3 8K found stable and firm TKL layout with arrow keys and navigation keys, and an optional knob |
| Cons , different | No independent review found 870 g is heavier than the J2 Feel and sound not documented by an independent source | Wired only; the V3 Max is the wireless version ABS plastic case rather than aluminum Tray mount feels stiffer than a gasket-mounted board (APH Networks, on the V3 8K) Keychron's page lists it as sold out, so availability is uncertain Little independent review coverage of this exact model |
| Research take , different | A sensible wireless TKL on paper. Maker specs and a comparison listing are all the evidence. | A plain wired TKL that, on Keychron's specs, gives QMK/VIA, hot-swap and screw-in stabilizers in a plastic case. Its trade-offs are the plastic build, a stiffer tray-mount feel and no wireless. Because reviews of this exact model are scarce and Keychron lists it as sold out, the V3 Max or V3 8K may be the more practical buy. |