Compare Keychron C2 vs C3 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's entry-level full-size and a more feature-rich TKL model. The C2 offers a traditional 104-key layout, while the C3 Pro trades the number pad for a higher 8000 Hz polling rate, QMK/VIA firmware, and internal sound dampening. The decision hinges on whether you prioritize a complete layout or modern gaming and customization features in a smaller footprint.

Model
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Rating	4.8 stars (214 reviews)	4.5 stars (2 reviews)
Purchase Options
Main differences	Released in 2020 Available in a 100% layout Provides dedicated media keys Uses a Tray Mount mounting style Runs at a 1000 Hz polling rate Made with a Plastic, ABS case Features ABS keycaps	Released in 2023 Available in a 80% layout Supports QMK firmware Supports VIA configuration Features N-key rollover Has built-in sound dampening Uses a Gasket Mount mounting style Runs at a 8000 Hz polling rate Weighs about 912 g Sized at 21 x 365 x 138 mm Made with a ABS, Plastic case Features PBT, ABS keycaps
Score	Scores Performance: 62 Build Quality: 60.6 Productivity: 74.6 Customizability: 73.8 Portability: 46.9	Scores Performance: 89.7 Build Quality: 80.6 Productivity: 90.7 Customizability: 88.9 Portability: 57.9
Name	Name Keychron C2	Name Keychron C3 Pro
Release year	Release year 2020	Release year 2023
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 100%	Layout Size 80%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
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 Wired, Wired only	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate 8000 Hz;1000 Hz
Battery capacity	Battery capacity -	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 Tray Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face	Backlight Rgb, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material ABS, Plastic
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT, ABS
Dimensions	Dimensions -	Dimensions 21 x 365 x 138 mm
Weight	Weight -	Weight 912g

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Pros and Trade-offs

Your primary need dictates the choice. If you require a full-size keyboard with a number pad for office work or data entry, the Keychron C2 is the straightforward option. If you want a more modern, compact keyboard geared towards gaming performance, deep customization via QMK/VIA, and a premium typing experience with sound dampening, the Keychron C3 Pro is worth the investment despite its lack of a numpad.

Keychron C2

+Full-size 104-key layout with a dedicated number pad.
+Includes 12 multimedia keys for quick access.
+Hot-swappable versions support 3-pin and 5-pin MX-style switches.
+Comes with both a keycap and switch puller for the hot-swappable version.
+Offers both Windows and macOS keycaps in the box.

−Uses a basic tray mount design.
−Keycaps are ABS plastic, which may develop shine over time.
−Limited to a 1000 Hz polling rate.
−No mention of advanced firmware support like QMK or VIA.

Keychron C3 Pro

+Features a high 8000 Hz polling rate, configurable down to 1000 Hz.
+Supports QMK and VIA firmware for extensive programmability.
+Built with internal sound dampening foam (EVA, IXPE, silicone pad).
+Uses double-shot PBT keycaps in a Cherry profile for better durability.
+Employs a gasket mount design for a potentially more cushioned typing feel.

−TKL layout lacks a number pad.
−Only two customer reviews are available, offering limited user feedback.
−The product listing specifies that no discount codes can be used for this model.

Which Keyboard Is Better for Your Needs?

The C3 Pro wins in scenarios prioritizing performance, customization, and portability, such as gaming, programming, and travel, thanks to its high polling rate and QMK support. The C2 is the clear choice for office and data-entry work where a number pad is non-negotiable. For content creation, both offer valid advantages, making it a tie based on whether you prefer dedicated numpad keys or deeply programmable layers.

GamingKeychron C3 Pro

•The C3 Pro offers a configurable 8000 Hz polling rate for reduced input lag, according to its product listing.
•Its TKL (80%) layout frees up more desk space for mouse movement.
•It features N-key rollover for reliable simultaneous key presses.

OfficeKeychron C2

•The C2's full-size layout includes a dedicated number pad for data entry.
•It includes 12 multimedia keys for quick control of media and volume.
•Its product description states it is suitable for home and office use.

ProgrammingKeychron C3 Pro

•The C3 Pro supports QMK and VIA firmware for deep key remapping and macro creation.
•Its Cherry profile PBT keycaps, as listed, may offer a more consistent typing feel.
•The TKL layout is compact but retains the arrow and navigation cluster.

TravelKeychron C3 Pro

•The C3 Pro has a smaller 80% (TKL) footprint, taking up less bag or desk space.
•It is slightly lighter at 912g compared to a typical full-size board.
•Its adjustable typing angles (4°, 6°, 8.7°) offer more ergonomic flexibility on the go.

ModdingKeychron C3 Pro

•The C3 Pro features a gasket mount design for a potentially more flexible typing feel.
•It includes internal sound dampening with EVA foam, IXPE film, and a silicone pad.
•It supports QMK and VIA for extensive firmware-level customization.

Content CreationTie

•The C2's number pad can be useful for shortcut macros and timeline scrubbing in video/audio software.
•The C3 Pro's programmable layers via QMK/VIA are equally powerful for creating application-specific shortcuts.
•Both keyboards are hot-swappable, allowing for switch changes to suit typing preferences during long sessions.