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Compare Keychron K4 Pro vs K5 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's two wireless, QMK/VIA-enabled productivity keyboards. The choice is difficult because both share core features like programmability and hot-swap sockets, but diverge fundamentally in layout and form factor. The K4 Pro offers a space-saving 96% design with a steel plate, while the K5 Pro provides a full-size layout in an ultra-slim, low-profile aluminum chassis.

92
Keychron K4 Pro QMK/VIA Wireless Mechanical Keyboard
88
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.7 (7)
4.8 (8)
  • Released in 2022
  • Available in a 96% layout
  • Built with the ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK layout standard
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Equipped with a 4000 mAh battery
  • Weighs about 1280 g
  • Sized at 31 x 391 x 139 mm
  • Made with a Plastic, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
  • Released in 2023
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 120 x 435 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
Scores
  • Performance: 81.3
  • Build Quality: 83.8
  • Productivity: 94.6
  • Customizability: 97.2
  • Portability: 53.6
Scores
  • Performance: 80.9
  • Build Quality: 79.7
  • Productivity: 79.7
  • Customizability: 88.9
  • Portability: 53.2
Name
Keychron K4 Pro
Name
Keychron K5 Pro
Release year
2022
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
Layout Size
100%
Layout Standard
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, 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
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
4000 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
Tray Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, South-face, White South-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT, ABS
Keycaps Material
ABS, PBT
Dimensions
31 x 391 x 139 mm
Dimensions
18 x 120 x 435 mm
Weight
1280g
Weight
720g
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Pros and Trade-offs

Your primary need dictates the choice. If you want a full-sized keyboard with a modern, sleek profile and are comfortable with low-profile switches, the Keychron K5 Pro is the clear option. If you prioritize a compact layout that retains a number pad, want maximum modding flexibility with standard switches, and prefer a larger battery, the Keychron K4 Pro is the better investment.

Keychron K4 Pro

  • +Compact 96% layout includes a number pad while saving desk space.
  • +Hot-swappable for both 3-pin and 5-pin MX-style switches.
  • +Includes a steel plate, sound-absorbing foam, and a silicone dampening pad.
  • +Larger 4000mAh battery for longer wireless use.
  • +South-facing RGB avoids interference with Cherry-profile keycaps.
  • −Heavier at 1280g and thicker than the low-profile alternative.
  • −The compact layout may require adjustment for users accustomed to full-size keyboards.
  • −The vendor description mentions some users reported issues with stabilizer lube out of the box.

Keychron K5 Pro

  • +Ultra-slim, low-profile design with an aluminum frame for a sleek look.
  • +Full 100% layout with a dedicated number pad and navigation cluster.
  • +Significantly lighter at 720g, enhancing portability.
  • +Redesigned stabilizers aim for less wobble on large keys.
  • +Low-profile Gateron switches offer a distinct, shorter travel typing feel.
  • −Smaller 2000mAh battery.
  • −Hot-swap compatibility is limited to Gateron low-profile mechanical switches only.
  • −North-facing RGB may cause interference with some Cherry-profile keycap sets.

Which Keyboard Is Better for Your Needs?

The K5 Pro wins for office use, travel, and content creation due to its full layout, lighter weight, and slim profile. The K4 Pro is better for programming and modding, thanks to its compact number pad, broader switch compatibility, and included modding features like screw-in stabilizers. For gaming, the keyboards are evenly matched on core performance specs.

GamingTie
  • •Both have a 1000 Hz polling rate in wired mode.
  • •Both support N-key rollover for simultaneous key presses.
  • •The K4 Pro's south-facing RGB avoids interference with Cherry-profile keycaps, while the K5 Pro's north-facing RGB is standard.
OfficeKeychron K5 Pro
  • •The K5 Pro's full 100% layout includes a dedicated number pad and navigation cluster.
  • •Its low-profile design and aluminum frame offer a sleek, professional aesthetic.
  • •The vendor description notes it's suitable for office use with a Mac layout and Windows compatibility.
ProgrammingKeychron K4 Pro
  • •The K4 Pro's 96% layout provides a number pad in a more compact footprint, saving desk space.
  • •Its south-facing RGB lighting is explicitly stated to avoid interference with Cherry-profile keycaps, a popular choice for custom sets.
  • •It includes a steel plate, which can provide a firmer typing feel.
TravelKeychron K5 Pro
  • •The K5 Pro is significantly lighter at 720g compared to the K4 Pro's 1280g.
  • •Its ultra-slim, low-profile design is 31% slimmer than conventional switches according to the vendor.
  • •The thinner dimensions (18mm height) make it easier to pack.
ModdingKeychron K4 Pro
  • •The K4 Pro's hot-swap sockets support both 3-pin and 5-pin MX-style switches, offering broader compatibility.
  • •It includes screw-in PCB stabilizers, which are preferred for modding.
  • •It has a steel plate and sound-dampening foam and a silicone pad, as mentioned in its vendor description.
Content CreationKeychron K5 Pro
  • •The full-size layout provides dedicated media keys and a full number pad for efficient data entry and shortcut use.
  • •The low-profile switches may reduce finger fatigue during long editing sessions, as suggested by a user review.
  • •The aluminum frame contributes to a stable, premium feel on the desk.

Frequently Asked Questions (FAQ)

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