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Compare Keychron K1 V6 vs K3 Differences Side by Side

This comparison helps buyers decide between two of Keychron's low-profile wireless keyboards, the K1 V6 (80% TKL) and the K3 (75%). The decision is difficult because both offer a slim form factor, hot-swappable switches, and multi-device Bluetooth. However, the K1 V6 brings meaningful upgrades like a 1000 Hz wired polling rate, QMK/VIA firmware support, and enhanced acoustic foam, while the K3 is lighter, uses a more compact layout, and has a lower starting price. Your choice will hinge on whether you value advanced programmability and gaming performance or maximum portability and budget savings.

84
Keychron K1 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 6
65
Keychron K3 Ultra-slim Wireless Mechanical Keyboard FR-ISO Layout

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5.0 (2)
0.0 (0)
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Available in a 80% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI layout standard
  • Utilizes Hall effect sensors
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Uses a Top Mount mounting style
  • Supports Bluetooth, Wired, Wireless, 2.4 GHz connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 596 g
  • Sized at 25 x 346 x 119 mm
  • Made with a ABS, Aluminum case
  • Features ABS keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White RGB lighting
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Available in a 75% layout
  • Built with the ISO-FR, ISO, ANSI layout standard
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 1550 mAh battery
  • Made with a Aluminum, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 85.5
  • Build Quality: 78.4
  • Productivity: 80.2
  • Customizability: 89.7
  • Portability: 73.3
Scores
  • Performance: 62.7
  • Build Quality: 61.7
  • Productivity: 66.8
  • Customizability: 69.6
  • Portability: 78.2
Name
Keychron K1 V6
Name
Keychron K3
Release year
2024
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI
Layout Standard
ISO-FR, ISO, ANSI
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
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
Top Mount
Mount Style
Plate 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
ABS, Aluminum
Case Material
Aluminum, ABS
Keycaps Material
ABS
Keycaps Material
PBT, ABS
Dimensions
25 x 346 x 119 mm
Dimensions
-
Weight
596g
Weight
-
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Pros and Trade-offs

The Keychron K1 V6 is the clear winner for anyone who needs a low-profile keyboard with top-tier gaming performance, deep firmware customization, and a solid typing experience. Its TKL layout and ergonomic adjustments also make it suitable for office and programming tasks. The K3 remains a good choice for budget-conscious buyers or those who value a smaller, lighter board for travel, but it lacks the advanced features and build quality of the K1 V6.

Keychron K1 V6

  • +QMK and VIA firmware support for deep key remapping and macros.
  • +1000 Hz wired polling rate and N-Key Rollover for gaming.
  • +Three-level adjustable typing angles (3.37°, 4.2°, 6.7°) for ergonomic setup.
  • +Acoustic foam (IXPE, latex, EPDM) reduces noise and improves typing sound.
  • +Aluminum plate and aluminum frame provide a sturdy build.
  • −Heavier at 596g compared to the K3, less portable for frequent travel.
  • −Limited switch compatibility: only Keychron Milk POM or Gateron/Keychron low-profile mechanical switches.
  • −Higher price point than the K3's starting price.

Keychron K3

  • +More compact 75% layout saves desk space and packs easier for travel.
  • +Lighter weight (not specified but described as lightweight) improves portability.
  • +Hot-swappable low-profile optical switches with MX-styled stem.
  • +Available at a lower starting price, making it more budget-friendly.
  • −No QMK or VIA support, limiting customization to hardware-only.
  • −Polling rate not specified, likely lower than the K1 V6's 1000 Hz wired mode.
  • −Plastic plate and ABS/Aluminum case may feel less premium.
  • −Only two-level adjustable rubber feet, fewer ergonomic options than the K1 V6.

Which Keyboard Is Better for Your Needs?

The K1 V6 wins in five out of six categories, making it the stronger all-around choice for users who prioritize performance, customization, and ergonomics. Its QMK/VIA firmware, higher polling rate, and TKL layout are particularly suited for gaming, programming, and office work. The K3 only takes the Travel category due to its lighter and more compact design, which appeals to those who need maximum portability.

GamingKeychron K1 V6
  • •1000 Hz wired polling rate provides lower latency, while the K3's polling rate is not stated.
  • •N-Key Rollover (NKRO) confirmed for both wireless and wired modes.
  • •ARM architecture MCU with 256KB Flash offers better performance headroom.
  • •Acoustic foam layers (IXPE, latex, EPDM) reduce case ping and improve audio.
OfficeKeychron K1 V6
  • •80% TKL layout includes dedicated function row and navigation cluster for productivity.
  • •QMK/VIA support allows custom macros and shortcuts for common office tasks.
  • •Three adjustable typing angles (3.37°, 4.2°, 6.7°) for ergonomic comfort.
ProgrammingKeychron K1 V6
  • •Full QMK firmware support enables deep key remapping and macro creation via Launcher.
  • •VIA support provides a graphical interface for live key reassignment.
  • •Dedicated navigation keys (Home, End, PgUp, PgDn) on TKL layout aid code navigation.
TravelKeychron K3
  • •Lighter design (weight not specified but described as lightweight) and more compact 75% layout.
  • •Ultra-slim profile (40% slimmer switches than conventional) makes it easier to pack.
  • •Larger 1550mAh battery and Bluetooth 5.1 provide long wireless runtime.
ModdingKeychron K1 V6
  • •Hot-swappable and compatible with Keychron Milk POM switches and Gateron/Keychron low-profile mechanical switches.
  • •Acoustic foam layers (IXPE, latex, EPDM) can be tuned or replaced by modders.
  • •Aluminum plate provides a stiffer base for switch swaps.
Content CreationKeychron K1 V6
  • •QMK/VIA support enables custom macros for video editing and design software.
  • •TKL layout provides dedicated function keys for shortcuts.
  • •Multi-media keys allow quick control of playback and volume.

Frequently Asked Questions (FAQ)

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