Compare ACGAM S99 vs Royal Kludge S98 FR Differences Side by Side

Explore the comprehensive side-by-side comparison of the ACGAM S99 and Royal Kludge S98 FR 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.

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Main differences	Released in 2024 Has Linear switch options Includes a No display Uses a Gasket Mount mounting style Runs at a 1000 Hz polling rate Equipped with a 6000 mAh battery Weighs about 1200 g Sized at 46 x 143 x 386 mm Made with a Aluminum case Features PBT keycaps	Released in 2025 Comes with a knob Includes a Yes, LCD display Offers a USB passthrough port Features N-key rollover Includes screw-in stabilizers Runs at a 4000 Hz polling rate Equipped with a 3750 mAh battery Weighs about 1879 g Sized at 42 x 409 x 140 mm Features ABS keycaps
Score	Scores Performance: 66 Build Quality: 69.2 Productivity: 79.6 Customizability: 65.6 Portability: 68.2	Scores Performance: 85.2 Build Quality: 67.2 Productivity: 91 Customizability: 79.7 Portability: 56.9
Name	Name ACGAM S99	Name Royal Kludge S98 FR
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Linear	Switch Options -
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 ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support LCD
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 Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 4000 Hz
Battery capacity	Battery capacity 6000 mAh	Battery capacity 3750 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 Gasket Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material ABS
Dimensions	Dimensions 46 x 143 x 386 mm	Dimensions 42 x 409 x 140 mm
Weight	Weight 1200g	Weight 1879g