Cidoo V21 vs Keychron V6Wireless Numpad vs Wired Full-Size
Choose the Cidoo V21 for a portable wireless numpad, or the Keychron V6 for a fully-featured, customizable full-sized keyboard.
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No reviews
from$63at WhatGeek
4.9 (30)4.9 · 30 reviews
from$69at Keychron
Which one should you get?
Get the
Cidoo V21
Wireless Numpad
Build quality in the top 20% of Numpad boards under $100.
- Triple-mode wireless connectivity (Bluetooth, 2.4G, wired).
- Lightweight and portable at 500g with a compact form factor.
- Aluminum case construction and an aluminum alloy knob.
- Switches are soldered. Swapping them means soldering.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-DE, ISO-UK, ISO-Nordic. The other board is sold in those layouts.
- Numpad only. This is not a full keyboard.
Get the
Keychron V6
Wired Full-Size
Build quality in the top 5% of 100% boards under $100.
- Full 100% layout with a numpad and multimedia keys.
- High customizability with QMK/VIA support and hot-swappable sockets.
- Includes a steel plate and screw-in PCB stabilizers.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Select the Cidoo V21 if your goal is to add a wireless numpad to an existing compact setup or need a highly portable number entry device. Choose the Keychron V6 if you are looking for a primary, full-sized mechanical keyboard that offers extensive programmability, a robust typing foundation, and deep customization potential straight from the manufacturer. They are complementary tools for different tiers of a 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.
Cidoo V21
Keychron V6
Layout size
Numpad
100%
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Case material
Aluminum
ABS, Plastic
Mount style
Gasket Mount
Gasket Mount, Plate Mount, Tray Mount
- Cidoo V21
- Keychron V6
- Performance
- 5991
- Build quality
- 7988
- Productivity
- 8798
- Customizability
- 7598
- Portability
- 8345
- Knob
- VIA
- Sound dampening
What will you mostly use it for?
The Keychron V6 is the clear choice for users who need a primary, full-sized keyboard for gaming, programming, or deep customization. Its comprehensive layout and modding features make it a versatile centerpiece. The Cidoo V21 excels as a secondary device for travel or content creation, where its wireless portability and dedicated numpad function are key. For office use, both are competent, with the decision leaning on preference for a wireless peripheral versus an all-in-one wired board.
Pick the Keychron V6
- The Keychron V6 has a specified 1000 Hz polling rate for potentially lower latency.
- Its full layout includes all standard gaming keys without relying on a separate device.
- The tray mount with a steel plate may provide a more consistent typing feel for gaming.
Cidoo V21 vs Keychron V6 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 27 specs differ
Cidoo V21
Keychron V6
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.
Cidoo V21
WhatGeek
ISO
Out of stockShips to you
Keychron V6
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-FR, ISO-ES
In stockDoes not ship to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship 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.
Cidoo V21 vs Keychron V6: your questions
No, the Keychron V6 is a wired-only keyboard. It connects via a USB Type-C cable, which is included with the board along with a Type-A to Type-C adapter.
Yes, the Cidoo V21 listing states it has Mac/Win support. Its programmability through VIA software allows for key remapping to suit either operating system.
Mount styles affect feel differently. The Cidoo V21 uses a gasket mount with a PC plate and Poron foam, which may offer a softer, more cushioned typing experience. The Keychron V6 uses a tray mount with a steel plate, which typically provides a firmer, more direct feedback.
The Keychron V6 is sold in two variants. The fully assembled version includes Keychron K Pro switches and double-shot PBT keycaps. A barebones version is also available, which does not include switches or keycaps.
The Cidoo V21 has a 1000mAh battery. The manufacturer does not provide an estimated battery life in hours, as it depends on usage patterns and RGB lighting settings.
Yes, both keyboards support reprogramming. The Cidoo V21 is programmable via VIA. The Keychron V6 supports programming through both the open-source QMK firmware and VIA.
No, according to the Keychron product description, the double-shot PBT keycaps on the V6 are not shine-through. The south-facing RGB LEDs are designed to illuminate the board from a typist's angle.
The Cidoo V21 package includes the numpad, a keycap and switch puller, a 2.4G wireless dongle, a 1.6m Type-C braided cable, and a user manual.
The Keychron V6 has features relevant for gaming, including a 1000 Hz polling rate and N-key rollover. Its full layout and hot-swappable PCB also allow gamers to install preferred switches for gaming performance.
The Keychron V6 is likely more beginner-friendly for full keyboard modding. It is hot-swappable, supports many switch types, and is available as a barebones kit. The Cidoo V21 is also moddable but is limited by its small numpad form factor.
Yes, both the Cidoo V21 and the Keychron V6 feature south-facing RGB LEDs. This orientation helps prevent interference with Cherry-profile keycaps and can provide better lighting from a typist's perspective.
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