KeebFinder
Not sure which keyboard to choose? Try the Keyboard Finder now!

Compare Keychron J1 vs K1 V5 Differences Side by Side

This comparison is for users deciding between two of Keychron's low-profile wireless keyboards. The choice is difficult because both offer compact layouts, low-profile switches, and multi-device Bluetooth. The J1 targets enthusiasts with advanced firmware and a dedicated gaming mode, while the K1 V5 focuses on a sleek, ultra-thin profile with a strong user reputation. Your priority in connectivity options, software control, and physical design will determine the winner.

82
Keychron J1 QMK Wireless Mechanical Keyboard
69
Keychron K1 Wireless Mechanical Keyboard (Version 5)

Select a keyboard to compare

2.8 (8)
4.8 (1458)
  • Released in 2025
  • Available in a 75% layout
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 661 g
  • Sized at 23 x 327 x 144 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Released in 2020
  • Available in a 80% layout
  • Provides dedicated media keys
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum, Plastic case
  • Features ABS keycaps
Scores
  • Performance: 81.6
  • Build Quality: 70.9
  • Productivity: 88.8
  • Customizability: 86.4
  • Portability: 80.1
Scores
  • Performance: 63.4
  • Build Quality: 67.4
  • Productivity: 67.3
  • Customizability: 70.2
  • Portability: 73.8
Name
Keychron J1
Name
Keychron K1 V5
Release year
2025
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
80%
Layout Standard
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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
2000 mAh
Battery capacity
2000 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
-
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum, Plastic
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
23 x 327 x 144 mm
Dimensions
-
Weight
661g
Weight
-
*Something incorrect or missing? Please
let me know
!

Pros and Trade-offs

Select the Keychron J1 if your primary needs are competitive gaming latency, extensive key reprogramming via QMK/VIA, or modding with pre-installed sound foam. Opt for the Keychron K1 V5 if you prioritize a sleek, ultra-thin aesthetic, a hot-swappable optical switch option, and a keyboard with a large base of verified positive reviews for daily reliability.

Keychron J1

  • +Dedicated 2.4 GHz wireless with 1000 Hz polling rate for gaming.
  • +Full QMK and VIA firmware support for deep customization.
  • +Includes advanced IXPE and latex acoustic foam for sound dampening.
  • +Features a built-in storage slot for the 2.4 GHz receiver.
  • +Uses double-shot PBT keycaps for better durability.
  • −Some user reviews report quality control issues like a bent frame.
  • −Battery life complaints in user reviews suggest it may be short.
  • −Limited to low-profile mechanical switches, with no optical switch option mentioned.

Keychron K1 V5

  • +Ultra-slim 18mm profile design for a low desk footprint.
  • +Available with hot-swappable low-profile optical switches for easy customization.
  • +Extremely high volume of positive user reviews indicating good satisfaction.
  • +Includes dedicated multimedia keys for convenience.
  • +Offers an aluminum top case construction for a premium feel.
  • −Lacks a 2.4 GHz wireless connection, relying solely on Bluetooth and wired modes.
  • −Does not support QMK or VIA firmware for advanced programming.
  • −Uses ABS keycaps, which may develop shine faster than PBT.

Which Keyboard Is Better for Your Needs?

The J1 is the clear choice for gaming and programming due to its high-performance wireless mode and extensive programmability. For office use and travel, the K1 V5's proven slim design and user satisfaction give it the edge. Modders will prefer the J1's open firmware and pre-installed foams, while content creators will find capable low-profile options in both.

GamingKeychron J1
  • •Includes a 2.4 GHz wireless mode with a 1000 Hz polling rate for low latency.
  • •Features Last Key Priority (LKP) for smoother directional changes in games.
  • •Offers a 1000 Hz polling rate in wired mode as well.
OfficeKeychron K1 V5
  • •Has an 18mm ultra-slim body design, as described by the manufacturer.
  • •Includes dedicated multimedia keys for quick media control.
  • •Has a significantly higher volume of positive user reviews, suggesting reliability.
ProgrammingKeychron J1
  • •Supports QMK and VIA firmware for unlimited key remapping and macros.
  • •Programmable via the Keychron Launcher web app for easy customization.
  • •Uses PBT keycaps for better long-term durability against shine.
TravelKeychron K1 V5
  • •Features an 18mm ultra-slim profile, making it potentially easier to pack.
  • •Has a simpler connectivity setup without a separate 2.4 GHz receiver to manage.
  • •Based on its listed dimensions and design focus, it is likely more portable.
ModdingKeychron J1
  • •Offers extensive modding support via open-source QMK and VIA firmware.
  • •Comes with advanced IXPE and latex foam pre-installed for sound dampening.
  • •Hot-swappable version supports Gateron/Keychron low-profile mechanical switches.
Content CreationTie
  • •Both offer low-profile switches which can reduce finger fatigue during long sessions.
  • •Both include RGB backlighting with multiple effects for aesthetic setups.
  • •Both support macOS and Windows layouts with included keycaps.

Frequently Asked Questions (FAQ)

Discover similar products

You might also like similar products in that price range:

87
$67
Keychron K13 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K13 Pro
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

85
$106
Keychron K1 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K1 Max
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
PCB Mount

86
$67
Keychron K1 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K1 Pro
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

84
$94
Keychron K1 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 6
Keychron K1 V6
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Top Mount

83
$67
Keychron K9 Pro QMK/VIA Wireless Custom Mechanical Keyboard
Keychron K9 Pro
60%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

88
$69
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K5 Pro
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

96
$54
Keychron V3 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V3
80%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

71
$49
MK LowKey70 Black Aluminum 75% Hotswap Bluetooth RGB Low Profile Mac Mechanical Keyboard
MK LowKey70
75%,
Hotswap,
Wireless,
Wired,
RGB,
Alu case,
Plate Mount

94
$59
Keychron K8 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K8 Pro
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

69
$59
Keychron K2 Wireless Mechanical Keyboard (Version 2)
Keychron K2 V2
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
Alu case,
Tray Mount