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Compare Keychron K3 Pro 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 is difficult because both share a compact wireless form factor and hot-swappable designs, but diverge significantly in firmware support, switch compatibility, and keycap materials. The K3 Pro appeals to tinkerers, while the K3 V2 offers a distinct typing feel.

87
Keychron K3 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
67
Keychron K3 Ultra-slim Wireless Mechanical Keyboard (Version 2)

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4.6 (54)
3.5 (9403)
  • Released in 2022
  • Built with the ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Supports Bluetooth, Wired, Wireless, 2.4 GHz connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 930 g
  • Sized at 15 x 306 x 116 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2020
  • Built with the ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES layout standard
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum, Plastic case
  • Features ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 80.9
  • Build Quality: 81.3
  • Productivity: 79.7
  • Customizability: 88.9
  • Portability: 77.2
Scores
  • Performance: 61
  • Build Quality: 66.2
  • Productivity: 65.3
  • Customizability: 67
  • Portability: 77.4
Name
Keychron K3 Pro
Name
Keychron K3 V2
Release year
2022
Release year
2020
Switch Options
Linear, Tactile, 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, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, 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, Wired, Wireless, 2.4 GHz
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
Tray Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum, Plastic
Keycaps Material
ABS, PBT
Keycaps Material
ABS
Dimensions
15 x 306 x 116 mm
Dimensions
-
Weight
930g
Weight
-
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Pros and Trade-offs

Your choice hinges on how much you value customization versus a specific switch type. The Keychron K3 Pro is the more capable and future-proof board, offering superior programmability and better stock keycaps for those who like to tweak their setup. The Keychron K3 V2 is a simpler alternative centered around its optical switches, suitable if you prefer that feel and don't need QMK. For most users, especially tinkerers, the K3 Pro's advantages justify its position.

Keychron K3 Pro

  • +Full QMK and VIA firmware support for deep key remapping and macros.
  • +Includes double-shot PBT keycaps for better texture and durability.
  • +Specifies a 1000 Hz polling rate in wired mode for gaming.
  • +Hot-swappable for Gateron low-profile mechanical switches.
  • +Features redesigned stabilizers for less wobble on large keys.
  • −Officially compatible only with Gateron low-profile mechanical switches, limiting swap options.
  • −Battery capacity is modest at 1550mAh compared to some other low-profile boards.
  • −Vendor description notes a 90Hz polling rate in wireless mode, which is lower than the wired performance.

Keychron K3 V2

  • +Features hot-swappable low-profile Keychron Optical switches for a unique feel.
  • +Vendor description highlights a reinforced body structure for Version 2.
  • +Includes two-level adjustable rubber feet for improved typing angle.
  • +Comes with a switch puller specifically for the optical switches.
  • −Lacks QMK, VIA, or advanced programming software support.
  • −Uses ABS keycaps, which may develop shine over time faster than PBT.
  • −Officially only compatible with low-profile Keychron Optical switches, a proprietary ecosystem.
  • −No 2.4 GHz wireless connectivity option.

Which Keyboard Is Better for Your Needs?

The Keychron K3 Pro is the clear choice for gaming, programming, modding, and content creation due to its high polling rate, extensive programmability, and PBT keycaps. For office use and travel, both keyboards are closely matched, offering similar portability and wireless features. The K3 V2's primary appeal lies in its unique low-profile optical switches, which may suit users looking for that specific typing feel without needing advanced firmware features.

GamingKeychron K3 Pro
  • •The K3 Pro specifies a 1000 Hz polling rate in wired mode for lower latency.
  • •Its vendor description states the 1000 Hz polling rate is engineered for competitive gaming.
  • •It supports N-key rollover in both wireless and wired modes.
OfficeTie
  • •Both offer multi-device Bluetooth connectivity for switching between a laptop, phone, and tablet.
  • •Both are compatible with macOS and Windows and include relevant keycaps.
  • •Both have a 75% layout with multimedia keys for productivity.
ProgrammingKeychron K3 Pro
  • •The K3 Pro supports QMK and VIA firmware for unlimited key remapping and macros.
  • •Its vendor description highlights the Keychron Launcher web app for easy customization of any key.
  • •It comes with double-shot PBT keycaps for better long-term durability.
TravelTie
  • •Both are low-profile, ultra-slim keyboards designed for portability.
  • •They have identical 1550mAh battery capacities.
  • •Both support wireless Bluetooth operation.
ModdingKeychron K3 Pro
  • •The K3 Pro supports Gateron low-profile mechanical switches and has a hot-swappable option for them.
  • •It features QMK/VIA support for deep firmware customization.
  • •It includes redesigned stabilizers and ships with PBT keycaps, offering a better modding foundation.
Content CreationKeychron K3 Pro
  • •QMK/VIA support on the K3 Pro allows for creating complex macros for editing software.
  • •The vendor description mentions the ability to configure different keymaps for Mac and Windows, useful for cross-platform workflows.
  • •The inclusion of PBT keycaps provides a more premium typing feel for long sessions.

Frequently Asked Questions (FAQ)

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