Keychron K3 Pro vs WOBKEY Rainy 75 Lite
Choose the Keychron K3 Pro for a low-profile build with QMK and a stated 1000 Hz wired polling rate, or the Rainy 75 Lite for gasket mounting and three connection modes.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
4.7 · 54 reviews
from$67at Keychron
No reviews
from$115at MK
Which one should you get?
Get the
Keychron K3 Pro
Build quality in the top 15% of 75% boards under $100.
- Low-profile design with Gateron low-profile mechanical switch options.
- QMK and VIA support, with the vendor describing key remapping and macro commands.
- 1000 Hz wired polling rate and N-key rollover in both wired and wireless modes.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
WOBKEY Rainy 75 Lite
Battery
Build quality in the top 15% of 75% boards under $150.
- Aluminum case with gasket mounting and a polycarbonate plate in the metadata.
- Vendor listing specifies poron, EPMD, and PET sound-absorption layers.
- Bluetooth, 2.4 GHz, and USB-C wired connectivity, with a 3500 mAh battery.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Choose the Keychron K3 Pro if you want a low-profile keyboard with QMK, a stated 1000 Hz wired polling rate, or an ISO layout option. Pick the WOBKEY Rainy 75 Lite if gasket mounting, specified sound-dampening layers, and 2.4 GHz connectivity are higher priorities. Before ordering, confirm the K3 Pro's low-profile switch and keycap requirements or the Rainy's ANSI-only layout suits 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 K3 Pro
WOBKEY Rainy 75 Lite
Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
1,550 mAh
3,500 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Ergonomics
Standard
Split Spacebar
Case material
ABS, Aluminum, Plastic
Aluminum
- Keychron K3 Pro
- WOBKEY Rainy 75 Lite
- Performance
- 8157
- Build quality
- 8181
- Productivity
- 8091
- Customizability
- 8874
- Portability
- 7781
- Layout size: 75%
- Hot-swappable
- VIA
What will you mostly use it for?
The K3 Pro has the clearer fit for wired gaming, travel, and buyers who want QMK or a listed ISO layout option. The Rainy 75 Lite stands out for office use and content workflows where its gasket mount, sound-absorption layers, and three connection modes are useful. Programming favors the K3 Pro on firmware and layout flexibility, though both keyboards support VIA. For switch and layout customization, check the K3 Pro's low-profile switch limits and the Rainy's ANSI-only layout before buying.
Pick the Keychron K3 Pro
- The K3 Pro lists a 1000 Hz wired polling rate.
- It also supports N-key rollover in wired and wireless modes.
Keychron K3 Pro vs WOBKEY Rainy 75 Lite specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 26 specs differ
Keychron K3 Pro
WOBKEY Rainy 75 Lite
Switch options
Hot-swappable
Mount style
Low profile
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
Dimensions
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 K3 Pro
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you
WOBKEY Rainy 75 Lite
No ISO layout at the stores we track.
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Lowest price across stores, Amazon excluded.
Keychron K3 Pro vs WOBKEY Rainy 75 Lite: your questions
The K3 Pro lists a 1000 Hz wired polling rate and N-key rollover in wired and wireless modes. The Rainy 75 Lite's listed specifications do not include a polling rate, so the K3 Pro has the clearer stated gaming specification.
Yes, the K3 Pro metadata lists both QMK and VIA support. Keychron's product description also says its Launcher web app can be used for key remapping and macros.
Yes, the Rainy 75 Lite is listed as VIA compatible. Its vendor description specifies VIA programming over wired and 2.4 GHz modes.
No, its compatibility rules specify low-profile switches and keycaps only, and say standard MX keycaps will not fit. The K3 Pro vendor description identifies its included keycaps as low-profile.
No, the Rainy 75 Lite is listed as ANSI only. Its compatibility rules say ISO-DE, UK, and other ISO variants are not offered.
The WOBKEY Rainy 75 Lite lists Bluetooth, 2.4 GHz, and wired USB-C connectivity. The Keychron K3 Pro lists Bluetooth and wired connectivity.
Hot-swap is listed for the K3 Pro, and Keychron specifies Gateron low-profile mechanical switch compatibility. The vendor description says hot-swapping applies to the RGB backlight hot-swappable version.
Yes, the Rainy 75 Lite is listed as hot-swappable. Its vendor description names HMX Violet switches in the product configuration.
The Rainy 75 Lite vendor listing names poron, EPMD, and PET insulation as sound-absorption layers. The K3 Pro listing does not name comparable sound-dampening layers.
Yes, the K3 Pro is listed as low profile and uses Gateron low-profile mechanical switches. Its compatibility rules require low-profile switches and keycaps.
The Rainy 75 Lite is listed with a 3500 mAh battery, while the K3 Pro is listed with a 1550 mAh battery. Battery capacity alone does not establish how long either keyboard will run between charges.
Both keyboards are listed with no screen. Their listed features instead include items such as hot-swap support, wireless connectivity, and programmable controls.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.