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Compare Keychron K3 Pro vs K5 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's two low-profile, QMK/VIA-enabled wireless keyboards. The choice hinges entirely on layout preference: the K3 Pro offers a compact 75% form factor, while the K5 Pro is a full 100% size with a number pad. Both share core features like hot-swappable Gateron low-profile switches, multi-device Bluetooth, and extensive programmability, making the decision a matter of desk space and key usage.

87
Keychron K3 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
88
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.7 (52)
4.8 (8)
  • Released in 2022
  • Available in a 75% layout
  • Built with the ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ANSI layout standard
  • Supports Bluetooth, Wired, Wireless, 2.4 GHz connectivity
  • Equipped with a 1550 mAh battery
  • Weighs about 930 g
  • Sized at 15 x 306 x 116 mm
  • Offers Yes, Rgb, South-face, Rgb South-face, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2023
  • 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
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 120 x 435 mm
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
Scores
  • Performance: 81
  • Build Quality: 81.3
  • Productivity: 79.8
  • Customizability: 89
  • Portability: 77.2
Scores
  • Performance: 80.9
  • Build Quality: 79.7
  • Productivity: 79.7
  • Customizability: 88.9
  • Portability: 53.2
Name
Keychron K3 Pro
Name
Keychron K5 Pro
Release year
2022
Release year
2023
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
100%
Layout Standard
ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ANSI
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, 2.4 GHz
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1550 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, South-face, White, North-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum, Plastic, ABS
Keycaps Material
ABS, PBT
Keycaps Material
ABS, PBT
Dimensions
15 x 306 x 116 mm
Dimensions
18 x 120 x 435 mm
Weight
930g
Weight
720g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your desk space and need for a number pad are the deciding factors. The Keychron K3 Pro is the better portable and space-conscious option, also offering a 2.4GHz connection. The Keychron K5 Pro is the tool for full-size traditionalists, accountants, and anyone who relies heavily on a numpad, with the benefit of a larger battery.

Keychron K3 Pro

  • +Compact 75% layout saves substantial desk space.
  • +Includes a 2.4 GHz wireless dongle option alongside Bluetooth.
  • +Heavier 930g build may contribute to a stable typing feel.
  • +Offers both plate mount and tray mount styles.
  • −Smaller 1550mAh battery capacity.
  • −Lacks a dedicated number pad.
  • −Compatible only with Gateron low-profile mechanical switches.

Keychron K5 Pro

  • +Full 100% layout with integrated number pad.
  • +Larger 2000mAh battery capacity for extended wireless use.
  • +Specifically lists a 3-degree typing angle for ergonomics.
  • +Lighter 720g weight may be preferred by some users.
  • −Large 435mm width requires significant desk space.
  • −No 2.4 GHz dongle option mentioned, relying solely on Bluetooth and wired connectivity.
  • −Compatible only with Gateron low-profile mechanical switches.

Which Keyboard Is Better for Your Needs?

The K5 Pro is the clear choice for office work and content creation where a number pad is essential. The K3 Pro wins for travel and gaming due to its space-saving design. For programming and modding, the keyboards are evenly matched on core technical features, leaving the decision to personal layout preference.

GamingKeychron K3 Pro
  • •More compact 75% layout frees up mousepad space.
  • •Similar 1000Hz wired polling rate as the K5 Pro.
  • •Lighter weight (930g vs 720g) may be preferable for some setups.
OfficeKeychron K5 Pro
  • •Full 100% layout includes a dedicated number pad for data entry.
  • •Larger 2000mAh battery promises longer wireless use between charges.
  • •Includes all standard keys for traditional office software workflows.
ProgrammingTie
  • •Both offer full QMK and VIA support for key remapping and macros.
  • •Both include dedicated arrow keys and a function row.
  • •Choice depends on programmer preference for compactness (K3 Pro) or a separate number pad for numerical input (K5 Pro).
TravelKeychron K3 Pro
  • •Significantly smaller 75% footprint (306mm width) is easier to pack.
  • •Heavier weight (930g) may indicate a more substantial build for mobility.
  • •Compact layout requires less desk space when working on the go.
ModdingTie
  • •Both are hot-swappable for Gateron low-profile mechanical switches.
  • •Both support QMK/VIA firmware for deep customization.
  • •Both use low-profile double-shot PBT keycaps with similar stabilizer designs.
Content CreationKeychron K5 Pro
  • •Full-size layout with number pad is useful for video editing timelines and numerical shortcuts.
  • •Larger battery supports long wireless editing sessions.
  • •The manufacturer lists a 3-degree typing angle for ergonomic support during long tasks.

Frequently Asked Questions (FAQ)

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