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Compare Keychron K1 V6 vs K3 V2 Differences Side by Side

This comparison is for buyers deciding between two of Keychron's ultra-slim, low-profile mechanical keyboards: the K1 V6 and the K3 V2. The decision is nuanced because both offer excellent portability and a low-profile typing experience but target different priorities. The K1 V6 brings high-end features like QMK firmware, a 1000 Hz polling rate, and a 2.4 GHz connection option to a TKL form factor, while the K3 V2 packs a more space-saving 75% layout into a lower-priced package. Your choice ultimately hinges on whether you value advanced programmability and raw performance or a compact footprint and budget-friendly price.

-30% off
85
Keychron K1 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 6
-19% off
68
Keychron K3 Non-Backlight Ultra-Slim Wireless Mechanical Keyboard (Version 2)

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5.0 (2)
3.5 (9415)
  • Released in 2024
  • Available in a 80% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Uses a Top Mount mounting style
  • 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
  • Offers Yes, Rgb, North-face, Rgb North-face, White 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
  • Uses a Tray Mount mounting style
  • Equipped with a 1550 mAh battery
  • Made with a Aluminum, Plastic case
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 81.2
  • Build Quality: 78
  • Productivity: 79.9
  • Customizability: 89.3
  • Portability: 73
Scores
  • Performance: 61.3
  • Build Quality: 66.6
  • Productivity: 65.7
  • Customizability: 67
  • Portability: 77.5
Name
Keychron K1 V6
Name
Keychron K3 V2
Release year
2024
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-UK, ISO-DE, ISO-SW, ISO-Nordic, 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
Top 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
ABS, Aluminum
Case Material
Aluminum, Plastic
Keycaps Material
ABS
Keycaps Material
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 superior choice for users who prioritize performance, programmability, and typing acoustics. Its QMK/VIA support, tri-mode connectivity including 2.4 GHz, and enhanced foams make it a more capable tool for gaming and productivity. Choose the K3 V2 if you are strictly looking for the most compact and budget-friendly ultra-slim keyboard and do not need advanced firmware features.

Keychron K1 V6

  • +QMK and VIA support via the Keychron Launcher web app for deep customization.
  • +Tri-mode connectivity with Bluetooth 5.2, wired, and 2.4 GHz options.
  • +1000 Hz polling rate on wired mode and 90 Hz on wireless for responsive gaming.
  • +Redesigned stabilizers for improved reliability and less wobble on large keys.
  • +Enhanced internal foam layers including IXPE, latex, and EPDM for a quieter typing sound.
  • −80% TKL layout is larger than the 75% K3 V2, making it less travel-friendly.
  • −Compatible only with Gateron/Keychron low-profile mechanical switches, limiting switch options.
  • −Weighs 596g, which is heavier than a smaller 75% keyboard.
  • −Only 2 customer reviews available to gauge real-world reliability.

Keychron K3 V2

  • +More compact 75% layout saves desk space and is easier to pack.
  • +Available at a lower typical starting price point than the K1 V6.
  • +Features a world's-first hot-swappable low profile Optical switch option.
  • +Dedicated travel pouch available as an add-on from the vendor.
  • +Over 9,000 customer reviews provide a broad spectrum of user feedback.
  • −Lacks QMK/VIA support for key remapping and macros.
  • −No 2.4 GHz connectivity, relying only on Bluetooth (5.1) and wired modes.
  • −Tray mount construction and aluminum/plastic case may feel less premium.
  • −Optical switches are not compatible with conventional MX-style switches or the K1 V6's mechanical switches.

Which Keyboard Is Better for Your Needs?

The Keychron K1 V6 is the clear winner for most performance and customization-focused use cases, including gaming, office work, programming, and content creation. Its key advantages are QMK/VIA support, a 1000 Hz polling rate, and 2.4 GHz connectivity. The K3 V2 only takes a win in the travel category due to its more compact 75% layout and lighter potential carrying profile. The K1 V6 also leads for modding, offering compatibility with a wider range of low-profile mechanical switches.

GamingKeychron K1 V6
  • •1000 Hz polling rate on wired mode for lower latency.
  • •2.4 GHz connectivity option for a stable, low-latency wireless connection.
  • •N-Key Rollover (NKRO) support on both wireless and wired modes.
  • •Higher relative performance score in gaming and latency metrics.
OfficeKeychron K1 V6
  • •QMK and VIA support for creating custom macros and shortcuts to boost productivity.
  • •80% TKL layout provides dedicated function and navigation keys for data entry.
  • •Enhanced acoustic foams (IXPE, latex, EPDM) for quieter keystrokes.
ProgrammingKeychron K1 V6
  • •QMK firmware and Keychron Launcher web app for limitless key remapping and macro creation.
  • •3 levels of adjustable typing angle (3.37, 4.2, and 6.7 degrees) for ergonomic comfort.
  • •LSA profile keycaps that provide a comfortable fingertip feel for long typing sessions.
TravelKeychron K3 V2
  • •A more compact 75% layout than the K1 V6's TKL, saving desk space in a bag.
  • •Lighter weight (based on build materials) and smaller footprint for easier portability.
  • •The vendor offers a dedicated K3 Travel Pouch as an add-on accessory.
ModdingKeychron K1 V6
  • •Hot-swappable with Keychron Milk POM and Gateron low-profile mechanical switches.
  • •QMK open-source firmware provides endless possibilities for full keymap customization.
  • •Top mount construction, which is often preferred for modding and tuning.
  • •Higher customizability score relative to its price tier.
Content CreationKeychron K1 V6
  • •QMK/VIA support allows for complex macros and shortcuts for editing software.
  • •Multi-media keys (12) provide quick access to playback and volume controls.
  • •Dedicated function row on the TKL layout for more direct hotkeys.

Frequently Asked Questions (FAQ)

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