Compare
Pick two boards from the directory and see how they differ.
Shaded rows are where they differ.
| Spec |  Keychron Keychron K4 Ultra 8K $115 “K4 Ultra 8K, from Keychron's store” |  Keychron Keychron V3 $60–$70 “QMK support under $100 is absurd” Budget King |
|---|---|---|
| Price , different | $115 | $60–$70 |
| Size , different | 96% | TKL |
| Type | Pre-built | Pre-built |
| Connectivity , different | Wireless + Wired | Wired |
| Released , different | 2026 | 2022 |
| Mounting , different | Integrated Plate | Tray Mount |
| Case , different | ABS | ABS Plastic |
| Colors , different | Black | Frosted Black, Carbon Black |
| Weight , different | 1241 g +/- 10 g | 966g |
| Dimensions , different | 391.29 x 140.27 mm | 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 | OSA Double-Shot PBT Keycaps | Double-shot PBT, OSA Profile |
| PCB , different | Hot-swap | Hot-swap, South-facing RGB |
| Plates | Steel | Steel |
| Battery , different | 4000 mAh, up to 600 hours | — |
| Compatible switches , different | MX-style | MX-style 3-pin and 5-pin |
| Software , different | ZMK, Keychron Launcher | QMK, VIA |
| NKRO , different | No | Yes |
| RGB | Yes | Yes |
| Features , different | 96% layout, Tri-mode, Hot-swap | QMK/VIA, 80% TKL with Knob, Hot-swap, Screw-in Stabs, Double-shot PBT, South-facing LEDs, 1000Hz Polling |
| Good for , different | Competitive players who want a numpad and 8 kHz wireless Users who value long battery life Buyers who prefer PBT keycaps | 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 | QMK/VIA users who want to keep their existing layouts Buyers who need verified reviews of this exact board Anyone who wants an aluminum 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 | 8000 Hz polling and 2.4 GHz wireless (maker) Battery rated up to 600 hours Steel plate and OSA PBT keycaps Apex switches in three variants Sibling Ultra 8K boards were praised for value and battery life | 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 | Runs ZMK instead of QMK/VIA, so existing keymaps do not carry over No board-specific independent review was found ABS case and heavy at about 1241 g Sibling reviews flagged opaque keycaps and deep actuation (TechRadar, K2 Ultra 8K) Tray mount is not stated by the maker | 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 numpad 8 kHz board. Check ZMK compatibility first. | 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. |