Compare Royal Kludge F99 AI vs Keychron K4 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Royal Kludge F99 AI and Keychron K4 V3 and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

Model
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Rating	0.0 stars (0 reviews)	5.0 stars (4 reviews)
Purchase Options
Main differences	Has Linear switch options Built with the ANSI layout standard Offers a USB passthrough port Supports Wired, Wired only connectivity Weighs about 1020 g Sized at 43 x 391 x 147 mm Features PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Has Linear, Tactile, Clicky switch options Built with the ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, ANSI layout standard Provides dedicated media keys Supports QMK firmware Supports VIA configuration Features N-key rollover Includes screw-in stabilizers Uses a Tray Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Made with a Plastic case Features PC, PBT keycaps Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 62.4 Build Quality: 50.3 Productivity: 77 Customizability: 60.2 Portability: 45.3	Scores Performance: 82 Build Quality: 84 Productivity: 95.1 Customizability: 97.6 Portability: 54
Name	Name Royal Kludge F99 AI	Name Keychron K4 V3
Release year	Release year 2025	Release year 2025
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 96%	Layout Size 96%
Layout Standard	Layout Standard ANSI	Layout Standard ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, 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 Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity 4000 mAh
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 -	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, White, South-face, White South-face, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material -	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PC, PBT
Dimensions	Dimensions 43 x 391 x 147 mm	Dimensions -
Weight	Weight 1020g	Weight -