Compare Cidoo V21 vs Keychron V6 Differences Side by Side

This comparison is for users deciding between adding a dedicated numpad or upgrading their entire keyboard. The Cidoo V21 is a standalone wireless numpad, while the Keychron V6 is a complete full-sized board. The choice is difficult because both offer high customizability via VIA, but serve fundamentally different purposes. Your decision hinges on whether you need a portable companion device or a primary, feature-rich keyboard.

Model
	78	98	Select a keyboard to compare
Rating	0.0 stars (0 reviews)	3.3 stars (41 reviews)
Purchase Options
Main differences	Released in 2023 Available in a Numpad layout Built with the ISO layout standard Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 1000 mAh battery Weighs about 500 g Sized at 30 x 145 x 90 mm Made with a Aluminum case Features PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Released in 2022 Has Linear, Tactile, Clicky switch options Supports hot-swappable switches Available in a 100% layout Built with the ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK layout standard Provides dedicated media keys Supports QMK firmware Features N-key rollover Uses a Tray Mount mounting style Supports Wired, Wired only connectivity Runs at a 1000 Hz polling rate Weighs about 1360 g Sized at 19 x 141 x 448 mm Made with a Plastic, ABS case Features ABS, PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
Score	Scores Performance: 59.3 Build Quality: 78.9 Productivity: 87.4 Customizability: 76 Portability: 83.3	Scores Performance: 90.6 Build Quality: 89.1 Productivity: 97.8 Customizability: 99.4 Portability: 46.9
Name	Name Cidoo V21	Name Keychron V6
Release year	Release year 2023	Release year 2022
Switch Options	Switch Options -	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Numpad	Layout Size 100%
Layout Standard	Layout Standard ISO	Layout Standard ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate -	Polling Rate 1000 Hz;8000 Hz
Battery capacity	Battery capacity 1000 mAh	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style Tray Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb, South-face, White, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Plastic, ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material ABS, PBT
Dimensions	Dimensions 30 x 145 x 90 mm	Dimensions 19 x 141 x 448 mm
Weight	Weight 500g	Weight 1360g

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Pros and Trade-offs

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.

Cidoo V21

+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.
+Gasket mount structure with Poron foam for a potentially softer typing feel.
+Includes a 2.4G dongle and tools in the box.

−Limited to a 20-key numpad layout, not a full keyboard.
−Smaller 1000mAh battery capacity compared to many full-sized wireless boards.
−Lacks a specified high polling rate for competitive gaming latency.

Keychron V6

+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.
+Specified 1000 Hz polling rate.
+Available in both fully assembled and barebones kit versions.

−Wired-only connectivity, no wireless option.
−Heavy at 1350g and large, making it less portable.
−Case is made of ABS plastic, not aluminum.

Which Keyboard Is Better for Your Needs?

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.

GamingKeychron 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.

OfficeTie

•The Cidoo V21 offers wireless connectivity (Bluetooth/2.4G) for a cleaner desk setup.
•The Keychron V6 includes dedicated multimedia keys and a full numpad.
•Both support Mac and Windows systems and have sound dampening features.

ProgrammingKeychron V6

•The Keychron V6's full 100% layout provides immediate access to all keys, including a numpad.
•It offers extensive programmability through both QMK and VIA firmware.
•The hot-swappable PCB supports easy switch experimentation without soldering.

TravelCidoo V21

•The Cidoo V21 weighs only 500g and has compact dimensions (145x90mm).
•It features a 1000mAh battery and triple-mode wireless connectivity.
•Its small size makes it easy to pack alongside a laptop or compact keyboard.

ModdingKeychron V6

•The Keychron V6 is explicitly hot-swappable for 3-pin and 5-pin switches.
•It is available as a barebones kit (without switches and keycaps).
•The listing mentions support for third-party screw-in PCB stabilizers.

Content CreationCidoo V21

•The Cidoo V21's standalone design can complement a compact main keyboard, freeing up desk space.
•Its aluminum knob can be programmed for timeline scrubbing or parameter adjustment.
•Wireless operation reduces cable clutter on a production desk.