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Compare Keychron K1 Pro vs K3 V2 Differences Side by Side

This comparison is for buyers torn between two of Keychron's low-profile wireless keyboards. The K1 Pro and K3 V2 both offer slim designs, Bluetooth connectivity, and hot-swappable switches, but they cater to different priorities. The decision is hard because the K1 Pro brings full QMK/VIA customization and a standard 80% tenkeyless layout, while the K3 V2 prioritizes a smaller 75% footprint and uses optical switches for a different typing feel. Programmers and power users will gravitate toward the K1 Pro's firmware flexibility, whereas those seeking a more portable, ultra-slim daily driver may prefer the K3 V2's lighter design.

86
Keychron K1 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
68
Keychron K3 Ultra-slim Wireless Mechanical Keyboard (Version 2)

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5.0 (10)
3.5 (9403)
  • Released in 2023
  • Available in a 80% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 580 g
  • Sized at 8 x 346 x 119 mm
  • Made with a Aluminum, Plastic, ABS, case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Released in 2020
  • Available in a 75% layout
  • Built with the ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES layout standard
  • Equipped with a 1550 mAh battery
  • 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: 81.2
  • Build Quality: 79.9
  • Productivity: 79.9
  • Customizability: 89.3
  • Portability: 73.1
Scores
  • Performance: 61
  • Build Quality: 66.6
  • Productivity: 65.7
  • Customizability: 67.5
  • Portability: 77.5
Name
Keychron K1 Pro
Name
Keychron K3 V2
Release year
2023
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
80%
Layout Size
75%
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, 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, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
2000 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, North-face, White
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
8 x 346 x 119 mm
Dimensions
-
Weight
580g
Weight
-
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Pros and Trade-offs

The Keychron K1 Pro is the better choice for users who prioritize programmability, durability, and performance with its QMK/VIA support and PBT keycaps. If your main need is a highly portable, ultra-slim keyboard for travel, the K3 V2's smaller 75% build and dedicated travel pouch make it a compelling option. For most others, especially programmers and power users, the K1 Pro offers more long-term value.

Keychron K1 Pro

  • +Full QMK and VIA support for deep key remapping and macro creation.
  • +Robust 2000mAh battery for extended wireless use.
  • +Double-shot PBT keycaps for improved durability and oil resistance.
  • +N-Key Rollover (NKRO) on both wired and wireless modes.
  • +Comes in multiple layout standards including ISO, JIS, and ANSI.
  • −Larger 80% layout is less portable than the K3 V2.
  • −Gateron low-profile switches are only compatible with Gateron low-profile mechanical switches.
  • −Some users may find the 3-degree typing angle less adjustable than other options.

Keychron K3 V2

  • +Ultra-slim design with switches that are 40% slimmer than conventional ones.
  • +Industry-first hot-swappable low-profile optical switches for easy customization.
  • +Dedicated K3 Travel Pouch accessory enhances portability.
  • +Compact 75% layout retains function keys while saving desk space.
  • −Optical switches are not compatible with standard mechanical switches.
  • −Lacks QMK/VIA firmware support, limiting software-level customization.
  • −Battery life may be shorter with a 1550mAh Li-polymer battery under heavy RGB use.

Which Keyboard Is Better for Your Needs?

For most performance-driven use cases, the Keychron K1 Pro takes the lead due to its full QMK/VIA programmability, dedicated multimedia keys, and N-Key Rollover support. The K3 V2 wins only in the Travel category, where its ultra-slim 75% body and available travel pouch offer superior portability. The K1 Pro's 1000 Hz polling rate and robust battery make it a stronger choice for gaming and content creation, while its software flexibility is a clear advantage for programming and modding.

GamingKeychron K1 Pro
  • •Wired 1000 Hz polling rate (not stated for K3 V2).
  • •N-Key Rollover (NKRO) support for both wired and wireless modes.
  • •Stable Broadcom Bluetooth 5.1 for low-latency wireless play.
OfficeKeychron K1 Pro
  • •Dedicated multimedia keys (12 keys) for quick workflow controls.
  • •Full QMK and VIA support for custom shortcuts and macros.
  • •Double-shot PBT keycaps for durability against heavy daily use.
ProgrammingKeychron K1 Pro
  • •QMK/VIA firmware allows complete key remapping and macro creation.
  • •80% tenkeyless layout provides a balance of function keys and desk space.
  • •Comes with keycaps for both macOS and Windows, plus extra keys in the box.
TravelKeychron K3 V2
  • •Ultra-slim design is 40% slimmer than conventional switches.
  • •Compact 75% layout has a smaller overall footprint than the 80% K1 Pro.
  • •Available accessories like a dedicated K3 Travel Pouch.
  • •Lighter battery (1550mAh) suggests a smaller, lighter chassis.
ModdingKeychron K1 Pro
  • •Open-source QMK firmware provides extensive software-level customization.
  • •Compatible with Gateron low-profile mechanical switches and aftermarket low-profile PBT keycaps.
  • •Redesigned stabilizers for improved big-key consistency.
Content CreationKeychron K1 Pro
  • •Programmable via Keychron Launcher web app to create custom macros for editing software.
  • •12 multimedia keys for quick access to volume, playback, and other controls.
  • •Robust 2000mAh battery for longer wireless editing sessions.

Frequently Asked Questions (FAQ)

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