Keychron K2 vs K2 Ultra Specs

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
Rating	4.8 stars (35 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2021 Provides dedicated media keys 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 Includes screw-in stabilizers Has built-in sound dampening 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: 65.8 Build Quality: 66.6 Productivity: 65.8 Customizability: 59.6 Portability: 80.4	Scores Performance: 88.4 Build Quality: 68 Productivity: 86.7 Customizability: 68.8 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 Linear, Tactile, 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 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 -
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

-29% off

Keychron K2 Non-Backlight Wireless Mechanical Keyboard

Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard

Select a keyboard to compare

4.8 stars (35 reviews)

0.0 stars (0 reviews)

Released in 2021
Provides dedicated media keys
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
Includes screw-in stabilizers
Has built-in sound dampening
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

Scores

Performance: 65.8
Build Quality: 66.6
Productivity: 65.8
Customizability: 59.6
Portability: 80.4

Scores

Performance: 88.4
Build Quality: 68
Productivity: 86.7
Customizability: 68.8
Portability: 82

Name

Keychron K2

Name

Keychron K2 Ultra

Release year

2021

Release year

2026

Switch Options

Linear, Tactile, Clicky

Switch Options

Linear, Tactile, Clicky

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

75%

Layout Size

75%

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, Wired, Wireless

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Polling Rate

1000 Hz

Polling Rate

8000 Hz

Battery capacity

4000 mAh

Battery capacity

4000 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Tray Mount

Mount Style

Screw in Stabilizers

Sound Dampening

Backlight

North-face

Backlight

Rgb, White, South-face, White South-face

Case Colors

Case Material

Aluminum, Plastic, ABS

Case Material

Aluminum, ABS

Keycaps Material

ABS

Keycaps Material

PBT

Dimensions

40 x 317 x 129 mm

Dimensions

31 x 312 x 122 mm

Weight

794g

Weight

1084g

Discover similar products

You might also like similar products in that price range:

$59

Keychron K2 Wireless Mechanical Keyboard (Version 2)

Keychron K2 V2

75%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

Alu case,

Tray Mount

$109

Keychron K2 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

Keychron K2 V3

75%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

VIA,

QMK,

Alu case,

PCB Mount

$67

Keychron K2 Pro

75%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

VIA,

QMK,

Alu case,

Tray Mount

$95

Keychron K2 Max

75%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

VIA,

QMK,

Alu case,

PCB Mount

$44

Keychron V1

75%,

Hotswap,

Wired,

RGB/ White LEDs,

Knob,

VIA,

QMK,

Tray Mount

$44

Keychron V3

80%,

Hotswap,

Wired,

RGB/ White LEDs,

Knob,

VIA,

QMK,

Tray Mount

$129

Keychron K2 HE

75%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

Knob,

VIA,

QMK,

HE,

Rapid trigger,

Alu case,

Tray Mount

$59

Keychron K8 Pro

80%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

VIA,

QMK,

Alu case,

Tray Mount

$114

Keychron V3 Max

80%,

Hotswap,

Wireless,

Wired,

RGB,

Knob,

VIA,

QMK,

Gasket Mount

$62

Keychron K6 Pro

65%,

Hotswap,

Wireless,

Wired,

RGB/ White LEDs,

VIA,

QMK,

Alu case,

Tray Mount

Model
	-29% off 66	74	Select a keyboard to compare
Rating	4.8 stars (35 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2021 Provides dedicated media keys 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 Includes screw-in stabilizers Has built-in sound dampening 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: 65.8 Build Quality: 66.6 Productivity: 65.8 Customizability: 59.6 Portability: 80.4	Scores Performance: 88.4 Build Quality: 68 Productivity: 86.7 Customizability: 68.8 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 Linear, Tactile, 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 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 -
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