Keychron J1 vs K9 Pro Specs

Compare Keychron J1 vs K9 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J1 and Keychron K9 Pro 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	2.8 stars (8 reviews)	5.0 stars (2 reviews)
Purchase Options
Main differences	Released in 2025 Available in a 75% layout Has built-in sound dampening Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 2000 mAh battery Weighs about 661 g Sized at 23 x 327 x 144 mm Made with a ABS case	Released in 2023 Available in a 60% layout Provides dedicated media keys Uses a Tray Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Equipped with a 1550 mAh battery Weighs about 410 g Sized at 20 x 287 x 98 mm Made with a Aluminum, Plastic, ABS case
Score	Scores Performance: 81.6 Build Quality: 70.9 Productivity: 88.8 Customizability: 86.4 Portability: 80.1	Scores Performance: 74.3 Build Quality: 80 Productivity: 73.6 Customizability: 89.4 Portability: 85.5
Name	Name Keychron J1	Name Keychron K9 Pro
Release year	Release year 2025	Release year 2023
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 60%
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 Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 2000 mAh	Battery capacity 1550 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, White, North-face	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material Aluminum, Plastic, ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 23 x 327 x 144 mm	Dimensions 20 x 287 x 98 mm
Weight	Weight 661g	Weight 410g

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2.8 stars (8 reviews)

5.0 stars (2 reviews)

Released in 2025
Available in a 75% layout
Has built-in sound dampening
Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
Equipped with a 2000 mAh battery
Weighs about 661 g
Sized at 23 x 327 x 144 mm
Made with a ABS case

Released in 2023
Available in a 60% layout
Provides dedicated media keys
Uses a Tray Mount mounting style
Supports Bluetooth, Wired, Wireless connectivity
Equipped with a 1550 mAh battery
Weighs about 410 g
Sized at 20 x 287 x 98 mm
Made with a Aluminum, Plastic, ABS case

Scores

Performance: 81.6
Build Quality: 70.9
Productivity: 88.8
Customizability: 86.4
Portability: 80.1

Scores

Performance: 74.3
Build Quality: 80
Productivity: 73.6
Customizability: 89.4
Portability: 85.5

Name

Keychron J1

Name

Keychron K9 Pro

Release year

2025

Release year

2023

Switch Options

Linear, Tactile, Clicky

Switch Options

Linear, Tactile, Clicky

Profile

Low Profile

Profile

Low Profile

Hot Swappable

Layout Size

75%

Layout Size

60%

Layout Standard

ANSI

Layout Standard

ANSI

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

Connection

Bluetooth, Wired, Wireless

Polling Rate

1000 Hz

Polling Rate

1000 Hz

Battery capacity

2000 mAh

Battery capacity

1550 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Tray Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb, White, North-face

Backlight

Rgb, White, North-face

Case Colors

Case Material

ABS

Case Material

Aluminum, Plastic, ABS

Keycaps Material

PBT

Keycaps Material

PBT

Dimensions

23 x 327 x 144 mm

Dimensions

20 x 287 x 98 mm

Weight

661g

Weight

410g

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