Compare Keychron K2 vs K2 Ultra Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 and Keychron K2 Ultra 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
	67	93	Select a keyboard to compare
Rating	4.8 stars (35 reviews)	5.0 stars (1 reviews)
Purchase Options
Main differences	Released in 2021 Has Linear, Tactile, Clicky switch options Built with the ANSI layout standard Uses a Tray Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Weighs about 794 g Sized at 40 x 317 x 129 mm Made with a Aluminum, Plastic, ABS case Features ABS keycaps Offers Yes, North-face RGB lighting	Released in 2026 Has Tactile, Linear, Clicky switch options Built with the ISO-ES, ISO-FR, ISO-IT, ISO, ANSI layout standard Comes with a knob Supports QMK firmware Supports VIA configuration Includes screw-in stabilizers Has built-in sound dampening Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 8000 Hz polling rate Weighs about 1084 g Sized at 31 x 312 x 122 mm Made with a Aluminum, ABS case Features PBT keycaps Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Score	Scores Performance: 69.2 Build Quality: 67.9 Productivity: 68.4 Customizability: 64.3 Portability: 82.1	Scores Performance: 91.2 Build Quality: 86.2 Productivity: 97.6 Customizability: 95.1 Portability: 82
Name	Name Keychron K2	Name Keychron K2 Ultra
Release year	Release year 2021	Release year 2026
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Tactile, Linear, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ISO-ES, ISO-FR, ISO-IT, ISO, 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, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 8000 Hz
Battery capacity	Battery capacity 4000 mAh	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 Tray Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight North-face	Backlight Rgb, White, South-face, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, Plastic, ABS	Case Material Aluminum, ABS
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT
Dimensions	Dimensions 40 x 317 x 129 mm	Dimensions 31 x 312 x 122 mm
Weight	Weight 794g	Weight 1084g