Keychron K2 Max vs K3 Max: Standard vs Low-Profile 75% Keyboards

Compare Keychron K2 Max vs K3 Max Differences Side by Side

This comparison is for users deciding between Keychron's two flagship 75% wireless keyboards. The choice is difficult because both share core features like QMK/VIA programmability, triple-mode connectivity, and a hot-swappable design. The decision ultimately hinges on whether you prefer the traditional height and feel of the K2 Max or the significantly slimmer, modern profile of the K3 Max.

Model
Rating	4.5 stars (2 reviews)	4.5 stars (17 reviews)
Purchase Options
Main differences	Released in 2024 Built with the ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW layout standard Uses a PCB Mount mounting style Equipped with a 4000 mAh battery Weighs about 940 g Sized at 32 x 317 x 122 mm Made with a Aluminum, ABS case Features PBT keycaps Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting	Released in 2023 Features a low-profile design Built with the ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI layout standard Uses a Plate Mount mounting style Equipped with a 1550 mAh battery Weighs about 580 g Sized at 22 x 306 x 116 mm Made with a ABS, Aluminum, Wood, Plastic case Features PBT, ABS keycaps Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 81.2 Build Quality: 85.6 Productivity: 94.6 Customizability: 92.4 Portability: 79.2	Scores Performance: 80.9 Build Quality: 86.4 Productivity: 94.4 Customizability: 92.3 Portability: 77
Name	Name Keychron K2 Max	Name Keychron K3 Max
Release year	Release year 2024	Release year 2023
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW	Layout Standard ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, 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, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 4000 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 PCB Mount	Mount Style Plate Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face, White, White South-face	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, ABS	Case Material ABS, Aluminum, Wood, Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, ABS
Dimensions	Dimensions 32 x 317 x 122 mm	Dimensions 22 x 306 x 116 mm
Weight	Weight 940g	Weight 580g

Keychron K2 Max QMK Wireless Mechanical Keyboard ISO Layout Collection

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4.5 stars (2 reviews)

4.5 stars (17 reviews)

Released in 2024
Built with the ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW layout standard
Uses a PCB Mount mounting style
Equipped with a 4000 mAh battery
Weighs about 940 g
Sized at 32 x 317 x 122 mm
Made with a Aluminum, ABS case
Features PBT keycaps
Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting

Released in 2023
Features a low-profile design
Built with the ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI layout standard
Uses a Plate Mount mounting style
Equipped with a 1550 mAh battery
Weighs about 580 g
Sized at 22 x 306 x 116 mm
Made with a ABS, Aluminum, Wood, Plastic case
Features PBT, ABS keycaps
Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting

Scores

Performance: 81.2
Build Quality: 85.6
Productivity: 94.6
Customizability: 92.4
Portability: 79.2

Scores

Performance: 80.9
Build Quality: 86.4
Productivity: 94.4
Customizability: 92.3
Portability: 77

Name

Keychron K2 Max

Name

Keychron K3 Max

Release year

2024

Release year

2023

Switch Options

Linear, Tactile, Clicky

Switch Options

Linear, Tactile, Clicky

Profile

Normal Profile

Profile

Low Profile

Hot Swappable

Layout Size

75%

Layout Size

75%

Layout Standard

ISO, ANSI, ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

Layout Standard

ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, 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, 2.4 GHz, Wired, Wireless

Polling Rate

1000 Hz

Polling Rate

1000 Hz

Battery capacity

4000 mAh

Battery capacity

1550 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

PCB Mount

Mount Style

Plate Mount

Screw in Stabilizers

Sound Dampening

Backlight

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

Backlight

Rgb, White, North-face

Case Colors

Case Material

Aluminum, ABS

Case Material

ABS, Aluminum, Wood, Plastic

Keycaps Material

PBT

Keycaps Material

PBT, ABS

Dimensions

32 x 317 x 122 mm

Dimensions

22 x 306 x 116 mm

Weight

940g

Weight

580g

Pros and Trade-offs

Your preference for keyboard height is the deciding factor. Opt for the Keychron K2 Max if you want a traditional mechanical keyboard feel, longer battery life, and the freedom to mod with a vast array of standard switches and keycaps. Choose the Keychron K3 Max if you prioritize a sleek, low-profile design for a cleaner desk setup, easier portability, and a typing experience closer to a laptop.

Keychron K2 Max

+Much larger 4000mAh battery for extended wireless use.
+Compatible with a wide range of standard MX-style switches for easy customization.
+South-facing RGB LEDs prevent interference with Cherry-profile keycaps.
+Includes multiple layers of acoustic foam (IXPE, PET, EPDM) for sound dampening.
+Steel plate and heavier 940g build contribute to a solid, stable typing feel.

−Heavier and taller (32mm) than the K3 Max, making it less portable.
−Standard profile may feel too high for users accustomed to laptop or low-profile keyboards.
−Lacks the established user reviews that the K3 Max has.

Keychron K3 Max

+Ultra-slim low-profile design (17mm height) for a modern, portable form factor.
+Lightweight at 580g, making it easy to carry.
+Has positive user reviews citing its performance for work and transition from Apple keyboards.
+Features interior IXPE and latex foam for a quiet typing experience.
+Offers per-key and mix RGB lighting control for extensive backlight customization.

−Smaller 1550mAh battery requires more frequent charging.
−Switch compatibility is limited to specific Gateron and Keychron low-profile mechanical switches.
−North-facing RGB LEDs may cause interference with some aftermarket keycap profiles.

Which Keyboard Is Better for Your Needs?

The K3 Max is the clear choice for office work and travel due to its slim, lightweight design. The K2 Max is superior for modding and programming, thanks to its broader switch compatibility and larger battery. For gaming and content creation, both keyboards are equally capable, making the decision one of ergonomic and tactile preference.

GamingTie

•Both offer a 1000 Hz polling rate in 2.4 GHz and wired modes for low latency.
•Both feature N-key rollover and support for extensive key remapping via QMK.
•The K2 Max's heavier weight (940g) may provide more stability, while the K3 Max's lighter build (580g) is easier to reposition.

OfficeKeychron K3 Max

•The K3 Max's low-profile design (17mm height) is more similar to traditional office keyboards and may fit more easily in laptop bags.
•Vendor reviews specifically praise the K3 Max for work use and transitioning from an Apple Magic Keyboard.
•Both include keycaps for Windows and macOS and have sound-dampening foam, but the K3 Max's slimmer form may be less obtrusive on a desk.

ProgrammingKeychron K2 Max

•The K2 Max's south-facing RGB LEDs prevent interference with Cherry-profile keycaps, offering wider keycap compatibility for customization.
•Its larger 4000mAh battery provides longer untethered usage for long coding sessions.
•Both support QMK/VIA for complex macro and layer programming, making them equally capable for shortcuts.

TravelKeychron K3 Max

•The K3 Max is significantly lighter (580g vs 940g) and thinner (17mm vs 32mm height).
•Its low-profile design takes up less space in a bag.
•While the K2 Max has a larger battery, the K3 Max's reduced weight is a primary advantage for portability.

ModdingKeychron K2 Max

•The K2 Max is compatible with almost all 3-pin and 5-pin MX-style switches, according to its vendor page.
•Its south-facing LEDs and standard switch height offer vastly greater aftermarket keycap and switch compatibility.
•The K3 Max is restricted to Gateron or Keychron low-profile mechanical switches, as stated in its specifications.

Content CreationTie

•Both keyboards offer extensive programmability via QMK and the Keychron Launcher web app for application-specific shortcuts.
•Both include multimedia keys for quick media control.
•The choice depends on personal typing feel preference: standard (K2 Max) or low-profile (K3 Max).

Frequently Asked Questions (FAQ)