AULA F75 vs Keychron J2 vs Royal Kludge R75 Specs

Compare AULA F75 vs Keychron J2 vs Royal Kludge R75 Differences Side by Side

Explore the comprehensive side-by-side comparison of the AULA F75 and Keychron J2 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
Rating	4.6 stars (2796 reviews)	4.4 stars (5 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Has Silent, Linear switch options Features N-key rollover Includes screw-in stabilizers Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity Weighs about 1023 g Sized at 43 x 143 x 323 mm Made with a Plastic case Features PBT, ABS keycaps Offers Yes, Rgb, South-face, Rgb South-face, North-face, Rgb North-face RGB lighting	Released in 2025 Has Linear, Tactile, Clicky switch options Equipped with a 3750 mAh battery Offers Yes, Rgb, White RGB lighting	Released in 2024 Has Linear switch options Weighs about 680 g Sized at 42 x 323 x 42 mm Offers Yes, Rgb RGB lighting
Score	Scores Performance: 61.8 Build Quality: 65.1 Productivity: 91.9 Customizability: 82 Portability: 82.1	Scores Performance: 69.7 Build Quality: 71 Productivity: 73.7 Customizability: 86.5 Portability: 73.4	Scores Performance: 72.2 Build Quality: 78.2 Productivity: 93 Customizability: 89.5 Portability: 80.2
Name	Name AULA F75	Name Keychron J2	Name Royal Kludge R75
Release year	Release year 2023	Release year 2025	Release year 2024
Switch Options	Switch Options Silent, Linear	Switch Options Linear, Tactile, Clicky	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless, Wired only	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 4000 mAh	Battery capacity 3750 mAh	Battery capacity 4000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face, North-face	Backlight Rgb, White	Backlight Rgb
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material -	Case Material -
Keycaps Material	Keycaps Material PBT, ABS	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 43 x 143 x 323 mm	Dimensions -	Dimensions 42 x 323 x 42 mm
Weight	Weight 1023g	Weight -	Weight 680g

-32% off

Keychron J2 QMK Wireless Mechanical Keyboard

4.6 stars (2796 reviews)

4.4 stars (5 reviews)

0.0 stars (0 reviews)

Released in 2023
Has Silent, Linear switch options
Features N-key rollover
Includes screw-in stabilizers
Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity
Weighs about 1023 g
Sized at 43 x 143 x 323 mm
Made with a Plastic case
Features PBT, ABS keycaps
Offers Yes, Rgb, South-face, Rgb South-face, North-face, Rgb North-face RGB lighting

Released in 2025
Has Linear, Tactile, Clicky switch options
Equipped with a 3750 mAh battery
Offers Yes, Rgb, White RGB lighting

Released in 2024
Has Linear switch options
Weighs about 680 g
Sized at 42 x 323 x 42 mm
Offers Yes, Rgb RGB lighting

Scores

Performance: 61.8
Build Quality: 65.1
Productivity: 91.9
Customizability: 82
Portability: 82.1

Scores

Performance: 69.7
Build Quality: 71
Productivity: 73.7
Customizability: 86.5
Portability: 73.4

Scores

Performance: 72.2
Build Quality: 78.2
Productivity: 93
Customizability: 89.5
Portability: 80.2

Name

AULA F75

Name

Keychron J2

Name

Royal Kludge R75

Release year

2023

Release year

2025

Release year

2024

Switch Options

Silent, Linear

Switch Options

Linear, Tactile, Clicky

Switch Options

Linear

Profile

Normal Profile

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

75%

Layout Size

75%

Layout Size

75%

Layout Standard

ANSI

Layout Standard

ANSI

Layout Standard

ANSI

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Bluetooth, 2.4 GHz, Wired, Wireless, Wired only

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Polling Rate

1000 Hz

Polling Rate

1000 Hz

Polling Rate

Battery capacity

4000 mAh

Battery capacity

3750 mAh

Battery capacity

4000 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Gasket Mount

Mount Style

Gasket Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb, South-face, North-face

Backlight

Rgb, White

Backlight

Rgb

Case Colors

Case Material

Plastic

Case Material

Keycaps Material

PBT, ABS

Keycaps Material

PBT

Keycaps Material

PBT

Dimensions

43 x 143 x 323 mm

Dimensions

42 x 323 x 42 mm

Weight

1023g

Weight

680g

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Model
	-32% off 83	77	86
Rating	4.6 stars (2796 reviews)	4.4 stars (5 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2023 Has Silent, Linear switch options Features N-key rollover Includes screw-in stabilizers Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only connectivity Weighs about 1023 g Sized at 43 x 143 x 323 mm Made with a Plastic case Features PBT, ABS keycaps Offers Yes, Rgb, South-face, Rgb South-face, North-face, Rgb North-face RGB lighting	Released in 2025 Has Linear, Tactile, Clicky switch options Equipped with a 3750 mAh battery Offers Yes, Rgb, White RGB lighting	Released in 2024 Has Linear switch options Weighs about 680 g Sized at 42 x 323 x 42 mm Offers Yes, Rgb RGB lighting
Score	Scores Performance: 61.8 Build Quality: 65.1 Productivity: 91.9 Customizability: 82 Portability: 82.1	Scores Performance: 69.7 Build Quality: 71 Productivity: 73.7 Customizability: 86.5 Portability: 73.4	Scores Performance: 72.2 Build Quality: 78.2 Productivity: 93 Customizability: 89.5 Portability: 80.2
Name	Name AULA F75	Name Keychron J2	Name Royal Kludge R75
Release year	Release year 2023	Release year 2025	Release year 2024
Switch Options	Switch Options Silent, Linear	Switch Options Linear, Tactile, Clicky	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless, Wired only	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 4000 mAh	Battery capacity 3750 mAh	Battery capacity 4000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Gasket Mount	Mount Style -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face, North-face	Backlight Rgb, White	Backlight Rgb
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material -	Case Material -
Keycaps Material	Keycaps Material PBT, ABS	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 43 x 143 x 323 mm	Dimensions -	Dimensions 42 x 323 x 42 mm
Weight	Weight 1023g	Weight -	Weight 680g