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Compare Keychron K1 V6 vs S1 Differences Side by Side

This comparison helps buyers decide between two low-profile mechanical keyboards from Keychron: the K1 V6 and the S1. The decision is difficult because both offer excellent low-profile typing experiences with hot-swappable switches and QMK/VIA support, but they differ significantly in core design philosophy. The K1 V6 is a wireless TKL with a focus on versatility and portability, while the S1 is a wired-only 75% keyboard built around a premium, heavy all-metal chassis. Your choice will primarily depend on whether wireless freedom or a solid metal typing platform is more important to your setup.

84
Keychron K1 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 6
85
Keychron S1 QMK Custom Mechanical Keyboard

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5.0 (2)
4.8 (18)
  • Released in 2024
  • Available in a 80% layout
  • Built with the ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic, ANSI layout standard
  • Uses a Top Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • 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 2022
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Uses a Tray Mount mounting style
  • Supports Wired, Wired only connectivity
  • Weighs about 960 g
  • Sized at 8 x 118 x 310 mm
  • Made with a Aluminum case
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 81.7
  • Build Quality: 78.2
  • Productivity: 80.1
  • Customizability: 89.6
  • Portability: 73.2
Scores
  • Performance: 81.5
  • Build Quality: 81.5
  • Productivity: 80
  • Customizability: 89.5
  • Portability: 62.9
Name
Keychron K1 V6
Name
Keychron S1
Release year
2024
Release year
2022
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
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
Wired, Wired only
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
2000 mAh
Battery capacity
-
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, North-face
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
Aluminum
Keycaps Material
ABS
Keycaps Material
PBT
Dimensions
25 x 346 x 119 mm
Dimensions
8 x 118 x 310 mm
Weight
596g
Weight
960g
*Something incorrect or missing? Please
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Pros and Trade-offs

Choose the Keychron K1 V6 if you need wireless connectivity, a lighter weight, and a standard TKL layout for on-the-go use. Opt for the Keychron S1 if you prefer a heavy, all-metal desk keyboard with a compact layout and will not miss wireless functionality. Both are excellent low-profile options, but your final decision should be guided by whether portability or a premium static build is your priority.

Keychron K1 V6

  • +Wireless connectivity via Bluetooth 5.2 and 2.4 GHz for cable-free setups.
  • +Significantly lighter at 596g, making it easier to transport.
  • +TKL (80%) layout provides dedicated navigation and function keys.
  • +Includes IXPE and latex acoustic foam for quieter typing.
  • +Available in multiple ISO layouts (UK, German, Swiss, Nordic).
  • −Build quality may feel less premium than an all-metal chassis.
  • −Wireless polling rate drops to 90 Hz, which affects competitive gaming.
  • −ABS keycaps are more prone to shine over time compared to PBT.
  • −Top mount may result in a slightly less consistent feel across all keys.

Keychron S1

  • +Full CNC machined aluminum body provides a premium, solid feel.
  • +Heavier weight (960g) ensures excellent stability on a desk.
  • +PBT keycaps offer superior oil resistance and durability.
  • +Easier to pick up and adjust if it is your primary desk keyboard.
  • +Low-profile design with compatibility for XDA and DSA keycaps.
  • −Wired-only connectivity limits setup options and portability.
  • −Heavy weight (960g) is less practical for travel or carrying.
  • −75% layout may lack dedicated navigation keys some users prefer.
  • −Some user reviews mention quality control issues with stabilizers.

Which Keyboard Is Better for Your Needs?

The choice between the K1 V6 and S1 often comes down to connectivity and layout. The K1 V6 wins for office and travel use due to its lighter weight and wireless functionality. For gaming, programming, and modding, the two are essentially tied, as both offer the same high polling rate, QMK support, and hot-swappable switches. The S1's all-metal build makes it less suited for travel, but its robust construction is a clear advantage in a static setup. Ultimately, the K1 V6 is more versatile for mobile users, while the S1 excels as a premium desk fixture.

GamingTie
  • •Both offer a 1000 Hz polling rate in wired mode for competitive gaming.
  • •The K1 V6 has Bluetooth 5.2 for casual gaming, but its wireless polling rate is 90 Hz.
  • •Both feature N-Key Rollover (NKRO) for accurate key presses.
OfficeKeychron K1 V6
  • •The K1 V6 supports wireless connectivity (Bluetooth 5.2 and 2.4 GHz), reducing cable clutter.
  • •Its TKL layout offers dedicated F-row and navigation keys for productivity.
  • •The K1 V6 includes IXPE and latex acoustic foam for quieter keystrokes.
ProgrammingTie
  • •Both support QMK and VIA firmware for extensive key remapping and macro creation.
  • •Both are low-profile, which can reduce finger travel and reduce fatigue.
  • •Each offers hot-swappable switch options for customizing typing feel.
TravelKeychron K1 V6
  • •The K1 V6 is significantly lighter at 596g compared to the 960g S1.
  • •Its wireless connectivity ensures it works on the go without a cable.
  • •The K1 V6 has a built-in 2000mAh battery for extended use away from a desk.
ModdingTie
  • •Both feature hot-swappable PCBs (compatible with low-profile Gateron/Keychron switches).
  • •Both offer QMK and VIA support, allowing for full firmware-level customization.
  • •The S1's open design and compatibility with XDA and DSA keycaps provide modding flexibility.
Content CreationKeychron K1 V6
  • •The K1 V6's wireless capability allows for a cleaner workspace and easier repositioning.
  • •Its TKL layout provides dedicated function keys useful for shortcuts in editing software.
  • •The K1 V6 includes additional ISO layout options (UK, DE, CH, Nordic) for international users.

Frequently Asked Questions (FAQ)

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