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Compare Keychron K3 Max vs K3 V2 Differences Side by Side

This comparison is for users deciding between two generations of Keychron's popular low-profile 75% keyboards. The choice hinges on whether you value the latest wireless tech and deep customization of the K3 Max, or the lower cost and simpler hot-swap system of the K3 V2. Both share a compact, ultra-slim form factor and multi-device Bluetooth, making the decision a trade-off between premium features and value.

94
Keychron K3 Max QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
68
Keychron K3 Ultra-slim Wireless Mechanical Keyboard (Version 2)

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4.7 (9)
3.5 (9415)
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 580 g
  • Sized at 22 x 306 x 116 mm
  • Made with a ABS, Aluminum, Wood, Plastic case
  • Features PBT, ABS keycaps
  • Released in 2020
  • Has Linear, Tactile, Clicky switch options
  • Built with the ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES layout standard
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum, Plastic case
  • Features ABS keycaps
Scores
  • Performance: 80.9
  • Build Quality: 86.4
  • Productivity: 94.3
  • Customizability: 92.2
  • Portability: 77.2
Scores
  • Performance: 61
  • Build Quality: 66.6
  • Productivity: 65.7
  • Customizability: 67.3
  • Portability: 77.5
Name
Keychron K3 Max
Name
Keychron K3 V2
Release year
2023
Release year
2020
Switch Options
Tactile, Linear, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-Nordic, ISO-SW, ANSI
Layout Standard
ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
1550 mAh
Battery capacity
1550 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Plate Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS, Aluminum, Wood, Plastic
Case Material
Aluminum, Plastic
Keycaps Material
PBT, ABS
Keycaps Material
ABS
Dimensions
22 x 306 x 116 mm
Dimensions
-
Weight
580g
Weight
-
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Pros and Trade-offs

Your budget and need for advanced features should guide this decision. The Keychron K3 Max is the definitive upgrade, worth the investment for gamers and tinkerers who need 2.4 GHz wireless, QMK/VIA programmability, and a better foundation for modding. The Keychron K3 V2 is a sensible, cost-effective choice if you primarily want a reliable, low-profile Bluetooth keyboard for everyday typing and are comfortable with its optical switch ecosystem.

Keychron K3 Max

  • +Includes a 2.4 GHz wireless connection with a 1000 Hz polling rate for low-latency use.
  • +Supports QMK and VIA firmware for deep key remapping and macro programming.
  • +Features double-shot PBT keycaps and internal IXPE/latex foam for sound dampening.
  • +Offers screw-in stabilizers and a wider range of compatible low-profile mechanical switches.
  • +Provides three adjustable typing angles for ergonomic support.
  • −Likely commands a higher price than the older K3 V2 model.
  • −Hot-swap compatibility is restricted to Gateron and Keychron low-profile mechanical switches only.
  • −The vendor description notes no storage for the 2.4 GHz wireless dongle.

Keychron K3 V2

  • +Typically available at a more affordable price point than the K3 Max.
  • +Offers a hot-swappable option for its proprietary low-profile optical switches.
  • +Includes 12 extra keycaps and features a two-level adjustable feet design.
  • −Lacks a 2.4 GHz wireless connection, relying solely on Bluetooth and wired modes.
  • −Does not support QMK, VIA, or advanced programmability features.
  • −Comes with ABS keycaps, which may develop shine faster than PBT.
  • −Hot-swap is only compatible with Keychron's low-profile optical switches, limiting options.

Which Keyboard Is Better for Your Needs?

The K3 Max is the clear choice for gaming, programming, modding, and content creation due to its superior wireless performance, extensive software support, and higher-quality modding foundations. For general office use and travel, both keyboards are equally capable, sharing core strengths in connectivity and portability. The K3 V2 remains a competent option if your primary needs are basic wireless functionality and low-profile typing at a lower cost.

GamingKeychron K3 Max
  • •The K3 Max offers a 1000 Hz polling rate over its 2.4 GHz wireless connection, which the manufacturer states reduces latency for competitive play.
  • •It features N-key rollover in both wireless and wired modes for reliable simultaneous key presses.
  • •The K3 V2 lacks a specified 2.4 GHz connection and its polling rate is not stated for gaming scenarios.
OfficeTie
  • •Both keyboards offer Bluetooth connectivity for switching between multiple devices like computers and tablets.
  • •Each includes keycap sets for both macOS and Windows layouts.
  • •Their 75% layouts save desk space while retaining essential function and multimedia keys.
ProgrammingKeychron K3 Max
  • •The K3 Max supports QMK and VIA firmware for extensive key remapping and macro creation via a web app.
  • •It features screw-in stabilizers, which the manufacturer states are redesigned for less wobble on large keys.
  • •The K3 V2's programmability is limited to onboard shortcuts, with no mention of QMK or VIA support.
TravelTie
  • •Both share an identical 75% layout size and an ultra-slim, low-profile design for easy portability.
  • •They have the same 1550mAh battery capacity.
  • •Each offers Bluetooth for cable-free use with laptops and tablets on the go.
ModdingKeychron K3 Max
  • •The K3 Max supports hot-swapping with Gateron and Keychron low-profile mechanical switches and is compatible with QMK for firmware tweaks.
  • •It comes with double-shot PBT keycaps and features internal IXPE and latex foam for sound dampening.
  • •The K3 V2's hot-swap feature is limited to Keychron low-profile optical switches only, offering a narrower switch ecosystem.
Content CreationKeychron K3 Max
  • •Advanced programmability with QMK/VIA on the K3 Max allows for complex macros and shortcuts tailored to editing software.
  • •Per-key and mix-zone RGB lighting control offers more customization for a personalized setup.
  • •The inclusion of PBT keycaps may offer better long-term durability against shine compared to the K3 V2's ABS keycaps.

Frequently Asked Questions (FAQ)

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