Compare Ajazz AK820 Pro vs Keychron C3 Pro Differences Side by Side

This comparison is for buyers deciding between a feature-rich wireless keyboard and a high-performance wired model at a similar price. The Ajazz AK820 Pro offers triple-mode connectivity and an interactive TFT screen, while the Keychron C3 Pro focuses on an ultra-high 8000 Hz polling rate and open-source QMK/VIA firmware support. The decision hinges on whether you prioritize wireless convenience or competitive gaming latency and deep programmability.

Model
	76	89	Select a keyboard to compare
Rating	4.6 stars (739 reviews)	4.5 stars (2 reviews)
Purchase Options
Main differences	Has Linear switch options Available in a 75% layout Comes with a knob Includes a Yes, TFT display Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 4000 mAh battery Weighs about 810 g Sized at 40 x 327 x 136 mm Made with a ABS, Aluminum case Features PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Has Linear, Tactile, Clicky switch options Available in a 80% layout Includes a No display Supports QMK firmware Supports VIA configuration Supports Wired, Wired only connectivity 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 Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Score	Scores Performance: 61.2 Build Quality: 66.1 Productivity: 82.2 Customizability: 72.4 Portability: 79.1	Scores Performance: 90.4 Build Quality: 80.7 Productivity: 90.7 Customizability: 88.8 Portability: 58.3
Name	Name Ajazz AK820 Pro	Name Keychron C3 Pro
Release year	Release year 2023	Release year 2023
Switch Options	Switch Options Linear	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	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 TFT	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 8000 Hz;1000 Hz
Battery capacity	Battery capacity 4000 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 Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Aluminum	Case Material ABS, Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, ABS
Dimensions	Dimensions 40 x 327 x 136 mm	Dimensions 21 x 365 x 138 mm
Weight	Weight 810g	Weight 912g

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Pros and Trade-offs

Your primary need dictates the choice. If you require a single keyboard for a clean, wireless setup across multiple devices, the Ajazz AK820 Pro is the more versatile option. If your priority is peak performance for gaming or you want deep, open-source firmware customization for your workflow, the wired Keychron C3 Pro is the stronger tool. Both represent strong value with gasket mounts and hot-swap sockets.

Ajazz AK820 Pro

+Triple-mode connectivity (Bluetooth 5.1, 2.4GHz, wired) for flexible use.
+Interactive 0.85-inch TFT screen for custom visuals and system info.
+More compact and lighter 75% layout for space savings and portability.
+Includes a 4000mAh battery for cordless operation.
+South-facing RGB LEDs ensure compatibility with Cherry-profile keycaps.

−Bluetooth mode operates at a lower 125 Hz polling rate.
−Case is primarily ABS plastic, with aluminum listed only as a material option.
−Only linear switch options are mentioned in the vendor description.

Keychron C3 Pro

+High 8000 Hz polling rate for competitive gaming and low latency.
+Full QMK and VIA firmware support for extensive programmability.
+Detailed internal sound dampening with EVA foam, IXPE film, and a silicone pad.
+Choice of linear, tactile, or clicky Keychron Super switches from the factory.
+Adjustable typing angle (4°, 6°, 8.7°) for ergonomics.

−Wired-only connectivity limits placement and requires a cable.
−Larger and heavier TKL (80%) layout is less portable.
−North-facing RGB LEDs may cause interference with some Cherry-profile keycaps.

Which Keyboard Is Better for Your Needs?

The Keychron C3 Pro is the clear choice for performance-centric tasks like gaming and programming, thanks to its high polling rate and QMK support. The Ajazz AK820 Pro wins for mobile and office use with its wireless connectivity and more portable form factor. For modding, the Keychron's documented foam layers and open firmware give it an edge, while content creators might value either the Ajazz's screen or the Keychron's ergonomic angle adjustments.

GamingKeychron C3 Pro

•The Keychron C3 Pro has a specified 8000 Hz polling rate for minimal input lag.
•Its listing mentions a 1000 Hz polling rate as a standard option, which the Ajazz matches only in wired/2.4G modes.
•The Ajazz's Bluetooth mode operates at a lower 125 Hz polling rate, as stated in its technical specs.

OfficeAjazz AK820 Pro

•The Ajazz AK820 Pro offers Bluetooth and 2.4 GHz wireless connectivity for a cleaner desk.
•Its 75% layout is more compact, saving desk space while retaining essential keys.
•The included 4000mAh battery supports cord-free use.

ProgrammingKeychron C3 Pro

•The Keychron C3 Pro supports QMK and VIA firmware for deep key remapping and macro creation.
•Its TKL (80%) layout provides dedicated function keys without a full-size footprint.
•The manufacturer states its web-based Launcher tool works across operating systems including Linux.

TravelAjazz AK820 Pro

•The Ajazz AK820 Pro is lighter at 810g compared to the Keychron's 912g.
•Its 75% layout is more compact (327mm length) than the Keychron's TKL layout (365mm length).
•Wireless operation via Bluetooth removes the need to carry or connect a cable.

ModdingKeychron C3 Pro

•The Keychron C3 Pro explicitly supports QMK open-source firmware for limitless customization.
•Its listing details internal sound-dampening materials like 3.5mm EVA foam, IXPE film, and a silicone pad.
•It offers a choice of linear, tactile, or clicky switch types from the factory.

Content CreationTie

•The Ajazz's TFT screen can display system info and custom visuals, useful for monitoring.
•Both keyboards are hot-swappable, allowing for personalized switch choices for long typing sessions.
•Both feature RGB backlighting for aesthetic setups.