Keychron V3 Ultra vs WOBKEY Rainy758K vs Aluminum
Choose the V3 Ultra for its 8000 Hz polling and lighter body, or the Rainy75 for an aluminum case and more compact 75% layout.
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5.0 (2)5.0 · 2 reviews
from$114at MK
5.0 (22)5.0 · 22 reviews
from$139at MK
Which one should you get?
Get the
Keychron V3 Ultra
8K
Build quality in the top 10% of 80% boards under $150.
- 8000 Hz polling rate in wired and 2.4 GHz modes.
- 4000 mAh battery, with the vendor listing up to 660 hours with the backlight off.
- Includes a knob and multimedia keys.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
WOBKEY Rainy75
Aluminum
Build quality in the top 5% of 75% boards under $150.
- CNC aluminum case with a gasket mount.
- 75% layout and a listed weight of 1800 g.
- 3500 mAh battery and wired, Bluetooth, and 2.4 GHz connectivity.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-UK, ISO-FR, ISO-ES. The other board is sold in those layouts.
- No numpad.
Choose the Keychron V3 Ultra if 8000 Hz wired or 2.4 GHz polling, lower weight, or its knob and multimedia keys matter most. Pick the WOBKEY Rainy75 if you prefer a CNC aluminum case and a 75% layout, and do not need the regional layouts missing from its listing.
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 V3 Ultra
WOBKEY Rainy75
Layout size
80%
75%
Connection
Wired, Bluetooth, 2.4 GHz
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
3,500 mAh
A larger battery means fewer cables during the day
Case material
ABS, Plastic
Aluminum
Switch options
Clicky, Linear, Tactile
Linear
- Keychron V3 Ultra
- WOBKEY Rainy75
- Performance
- 9170
- Build quality
- 8390
- Productivity
- 9894
- Customizability
- 9494
- Portability
- 7681
- Hot-swappable
- QMK
- VIA
- Sound dampening
- Keycaps: PBT
What will you mostly use it for?
The V3 Ultra has the clearest edge for gaming and content creation, thanks to its stated polling rate and added controls. Its lower weight also makes it the more practical pick for carrying, though the Rainy75 is narrower. Office use favors the V3 Ultra for its knob, multimedia keys, and broader listed regional layouts. Programming and modding are close, since both offer hot-swap support and firmware or configuration options.
Pick the Keychron V3 Ultra
- The V3 Ultra supports an 8000 Hz polling rate in wired and 2.4 GHz modes.
- Its vendor description lists N-key rollover for wired and wireless use.
- Both keyboards offer 2.4 GHz and wired connections.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron V3 Ultra
2 owner reviews
“Second Keyboard I buy from Keychron! I live in El Salvador and it arrived on time and perfectly. Extremely comfortable, outstanding switches. Best keyboard I've had in my life.”
WOBKEY Rainy75
22 owner reviews
“Amazing build quality and sound. The Keyboard is visually and audibly very appealing. The correct QWERTZ DE layout made the decision to get this keyboard quite easy.”
Keychron V3 Ultra vs WOBKEY Rainy75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 27 specs differ
Keychron V3 Ultra
WOBKEY Rainy75
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
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 V3 Ultra
Input Gear
ISO-DE
Out of stockShips to you
Keychron (DE)
ISO-FR, ISO-ES
In stockDoes not ship to you
WOBKEY Rainy75
Input Gear
ISO-DE
Out of stockShips to you
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 V3 Ultra vs WOBKEY Rainy75: your questions
The V3 Ultra is the stronger fit if polling rate is a priority: its vendor lists 8000 Hz in wired and 2.4 GHz modes. Both keyboards offer wired and 2.4 GHz connections.
Yes. Its vendor description specifies a CNC aluminum case with a gasket mount design.
The V3 Ultra is listed at 960 g, while the Rainy75 is listed at 1800 g. The V3 Ultra is the lighter option, and the Rainy75 is narrower at 320 mm.
The V3 Ultra has a 4000 mAh battery, and the Rainy75 has a 3500 mAh battery. Keychron’s vendor page lists up to 660 hours for the V3 Ultra with its backlight off.
Yes. Both list Bluetooth, 2.4 GHz, and wired connectivity.
Both keyboards are listed as hot-swappable. Keychron says the V3 Ultra accepts many 3-pin and 5-pin MX-style switches, while the Rainy75 vendor identifies its HMX Violet linear switch.
The V3 Ultra lists ANSI, JIS, and multiple ISO layouts, including ISO-UK, ISO-FR, and ISO-ES. The Rainy75 lists ANSI, ISO, and ISO-DE, so those three regional options are not listed for it.
Neither keyboard has a numpad, according to their compatibility rules. The V3 Ultra is an 80% layout, while the Rainy75 is a 75% layout.
Both list hot-swap, QMK, and VIA support. The V3 Ultra vendor also describes Keychron Launcher for key remapping and macros, while the Rainy75 vendor describes VIA programming over wired and 2.4 GHz modes.
Both keyboards list south-facing LEDs. Their compatibility rules warn that shine-through legends may stay dark and some sculpted keycaps can clip the LED.
The Keychron V3 Ultra lists knob support and multimedia keys. The Rainy75’s listed extra features do not include either.
The V3 Ultra uses a polycarbonate plate and its vendor describes acoustic foam, EPDM foam, and PET film layers. The Rainy75 vendor describes a polypropylene plate with flex cuts, plus poron, EPDM, and PET sound-absorption materials.
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