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Compare Keychron B6 Pro vs K5 Pro Differences Side by Side

This comparison is for users deciding between Keychron's two full-size, low-profile wireless keyboards. The choice is difficult because both share a similar 100% layout, Mac/Windows support, and wireless connectivity. The decision hinges on whether you prioritize an ultra-thin, lightweight membrane design or a more customizable, tactile mechanical experience with a higher-end feature set.

Keychron B6 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection
88
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.8 (24)
4.8 (8)
  • Released in 2024
  • Built with the ISO, JIS, ANSI layout standard
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 1200 mAh battery
  • Weighs about 623 g
  • Sized at 5 x 429 x 130 mm
  • Made with a Plastic, ABS case
  • Features ABS keycaps
  • Offers Yes, North-face RGB lighting
  • Released in 2023
  • Supports hot-swappable switches
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • 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: 52
  • Build Quality: 45.3
  • Productivity: 65.8
  • Customizability: 51.8
  • Portability: 50.9
Scores
  • Performance: 80.9
  • Build Quality: 79.7
  • Productivity: 79.7
  • Customizability: 88.9
  • Portability: 53.2
Name
Keychron B6 Pro
Name
Keychron K5 Pro
Release year
2024
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
100%
Layout Size
100%
Layout Standard
ISO, JIS, 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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1200 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
Plate Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
North-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
Aluminum, Plastic, ABS
Keycaps Material
ABS
Keycaps Material
ABS, PBT
Dimensions
5 x 429 x 130 mm
Dimensions
18 x 120 x 435 mm
Weight
623g
Weight
720g
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Pros and Trade-offs

Your budget and core priority dictate the choice. If you want the thinnest, lightest possible full-size keyboard and prefer a quiet, low-travel membrane feel, the Keychron B6 Pro is the clear pick. If you value a mechanical typing experience, want the ability to hot-swap switches, and plan to dive into deep customization with QMK/VIA, the Keychron K5 Pro is worth the extra investment.

Keychron B6 Pro

  • +Extremely slim and lightweight design, with a body thickness of just 5.2mm.
  • +Claims an exceptionally long 1200-hour battery life on a single charge.
  • +Includes a 2.4 GHz wireless connection option alongside Bluetooth and wired.
  • +Comes with a protective silicone skin, according to the vendor description.
  • +Generally available at a lower price point than the K5 Pro.
  • −Uses membrane-style switches, which may feel less tactile than mechanical switches.
  • −Keycaps are made of ABS plastic, which is more prone to shine over time compared to PBT.
  • −Lacks adjustable typing feet, offering only a fixed 3-degree angle.
  • −No hot-swap capability or open-source firmware support like QMK/VIA.

Keychron K5 Pro

  • +Features genuine Gateron low-profile mechanical switches for a tactile typing feel.
  • +Offers a hot-swappable version for easy switch customization.
  • +Supports QMK and VIA firmware for extensive, open-source programmability.
  • +Built with an aluminum frame and double-shot PBT keycaps for better durability.
  • +Includes RGB backlighting with multiple effects and a three-level adjustable typing angle.
  • −Heavier and thicker than the B6 Pro, making it less portable.
  • −The vendor notes the Keychron Launcher web app is required for programming, and VIA support may not be straightforward for all layouts.
  • −Battery capacity (2000mAh) is larger but may not last as long as the B6 Pro's claimed life due to RGB lighting.
  • −Typically commands a higher price than the B6 Pro.

Which Keyboard Is Better for Your Needs?

The K5 Pro is the more capable and customizable keyboard, winning for Gaming, Programming, Modding, and Content Creation due to its mechanical switches, hot-swap support, and advanced firmware. The B6 Pro's primary advantage is in Travel, thanks to its lighter weight and slimmer profile. For general Office use, they tie, offering strong multi-device support but with different typing experiences and battery life claims.

GamingKeychron K5 Pro
  • •Both have a 1000 Hz polling rate in wired mode, but the K5 Pro's vendor page specifically mentions this is engineered for competitive gaming.
  • •The K5 Pro features N-key rollover for both wireless and wired modes, a spec not mentioned for the B6 Pro.
  • •The K5 Pro's mechanical switches may offer more consistent actuation for gaming.
OfficeTie
  • •Both offer extensive Mac and Windows compatibility with matching keycap sets.
  • •Both support multi-device Bluetooth connectivity for switching between computers and tablets.
  • •The B6 Pro's claimed 1200-hour battery life is a significant advantage for cord-free use.
  • •The K5 Pro's three-level adjustable typing angle may provide better ergonomic support for long sessions.
ProgrammingKeychron K5 Pro
  • •The K5 Pro supports QMK and VIA firmware for deep, open-source key remapping and macro programming.
  • •Hot-swappable switch versions allow programmers to tailor the switch feel (tactile, linear, clicky) to their preference.
  • •The full 108-key layout on both provides dedicated keys, but the K5 Pro's mechanical nature may reduce typing fatigue during long coding sessions.
TravelKeychron B6 Pro
  • •The B6 Pro is significantly lighter at 623g compared to the K5 Pro's 720g.
  • •The B6 Pro is much thinner, with a body listed as 5.2mm thick versus the K5 Pro's unspecified but thicker mechanical design.
  • •The B6 Pro's longer claimed battery life (1200 hours) reduces the need for frequent charging on the go.
ModdingKeychron K5 Pro
  • •The K5 Pro offers a hot-swappable version for easy switch changes without soldering.
  • •It uses double-shot PBT keycaps, which are more durable and resistant to shine than the B6 Pro's ABS keycaps.
  • •Full QMK/VIA support allows for extensive firmware-level customization of layers, macros, and lighting effects.
  • •The vendor page mentions compatibility with aftermarket Gateron low-profile mechanical switches.
Content CreationKeychron K5 Pro
  • •The K5 Pro's RGB backlighting with multiple effects can be useful for low-light editing environments.
  • •Programmable macros via QMK/VIA can streamline repetitive editing tasks.
  • •The tactile feedback from mechanical switches can provide better confirmation for shortcut inputs.

Frequently Asked Questions (FAQ)

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