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Compare Keychron B31 vs B6 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's budget-friendly wireless keyboards. The choice hinges on a fundamental trade-off: the space-saving 75% layout of the B31 versus the full-size layout and ultra-slim profile of the B6 Pro. Both offer tri-mode connectivity and web-based customization, but differ significantly in form factor, battery capacity, and key mechanism, making the decision specific to your desk space and typing preferences.

Keychron B31 Wireless Keyboard
Keychron B6 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection

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0.0 (0)
4.8 (24)
  • Released in 2026
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Features N-key rollover
  • Equipped with a 800 mAh battery
  • Weighs about 520 g
  • Sized at 26 x 138 x 327 mm
  • Made with a ABS, Plastic case
  • Offers No RGB lighting
  • Released in 2024
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO, JIS, ANSI layout standard
  • Uses a Plate Mount mounting style
  • Equipped with a 1200 mAh battery
  • Weighs about 623 g
  • Sized at 5 x 429 x 130 mm
  • Made with a Plastic, ABS case
  • Offers Yes, North-face RGB lighting
Scores
  • Performance: 57.1
  • Build Quality: 41.9
  • Productivity: 66.7
  • Customizability: 45.5
  • Portability: 78.1
Scores
  • Performance: 52
  • Build Quality: 45.3
  • Productivity: 65.8
  • Customizability: 51.8
  • Portability: 50.9
Name
Keychron B31
Name
Keychron B6 Pro
Release year
2026
Release year
2024
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ISO, JIS, 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, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
800 mAh
Battery capacity
1200 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
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
North-face
Case Colors
Case Colors
Case Material
ABS, Plastic
Case Material
Plastic, ABS
Keycaps Material
ABS
Keycaps Material
ABS
Dimensions
26 x 138 x 327 mm
Dimensions
5 x 429 x 130 mm
Weight
520g
Weight
623g
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Pros and Trade-offs

Your primary need dictates the choice. If a compact, portable keyboard with a traditional scissor-feel and adjustable angles is the goal, the Keychron B31 is the suitable pick. If you require a full-size layout with a number pad, prioritize maximum battery life, and prefer an ultra-slim, low-profile typing experience, the Keychron B6 Pro is the better option. Consider the B31's non-replaceable keycaps a permanent limitation, while the B6 Pro's fixed tilt is its main ergonomic trade-off.

Keychron B31

  • +Compact 75% layout saves considerable desk space.
  • +Offers adjustable typing angles (5°, 6.5°, 9°) for ergonomics.
  • +Includes a magnetic storage slot for the 2.4 GHz wireless receiver.
  • +Features a scissor switch mechanism designed for quiet, stable typing.
  • +Lighter weight (520g) enhances portability.
  • −The product listing explicitly states its ABS keycaps are not replaceable.
  • −Smaller 800mAh battery offers a shorter rated battery life (up to 320 hours).
  • −Lacks any form of backlighting.

Keychron B6 Pro

  • +Full-size layout includes a dedicated number pad.
  • +Substantially larger 1200mAh battery promises up to 1200 hours of use.
  • +Ultra-slim, low-profile design with a 5mm thickness and 3° typing angle.
  • +Includes north-facing RGB backlighting.
  • +Comes with a protective, washable silicone skin according to the manufacturer.
  • −Larger footprint (429mm length) requires more desk space.
  • −Heavier (623g) and less portable than the B31.
  • −Fixed low typing angle may not suit all users, as noted in customer reviews requesting adjustable feet.

Which Keyboard Is Better for Your Needs?

The B6 Pro wins for office use and content creation due to its full layout with number pad and exceptional battery life. The B31 is the clear choice for travel and has an edge for gaming due to its space-saving design. For programming, it's a tie, hinging on personal layout preference. The B6 Pro also holds a slight advantage for modders, as its keycaps are not explicitly listed as non-replaceable.

GamingKeychron B31
  • •The B31's 1000 Hz polling rate over its 2.4 GHz connection matches the B6 Pro for responsiveness.
  • •Its 75% layout frees up more desk space for mouse movement compared to the full-size B6 Pro.
  • •The B31 offers adjustable typing angles (5°, 6.5°, 9°) for ergonomic positioning during long sessions.
OfficeKeychron B6 Pro
  • •The B6 Pro's full-size layout includes a dedicated number pad, which is often essential for data entry.
  • •Its advertised 1200-hour battery life significantly exceeds the B31's 320-hour rating, reducing charging frequency.
  • •The manufacturer states the B6 Pro includes a protective, washable silicone skin to guard against spills and dust.
ProgrammingTie
  • •Both keyboards support the Keychron Launcher web app for key remapping and macros.
  • •The B31's compact layout may appeal to those who prefer a smaller footprint, while the B6 Pro's full layout offers dedicated navigation keys.
  • •Both support multi-device connectivity via Bluetooth and 2.4 GHz for switching between coding environments.
TravelKeychron B31
  • •The B31 is significantly smaller (327mm length) and lighter (520g) than the full-size B6 Pro (429mm length, 623g).
  • •Its 75% layout is more packable while retaining arrow and function keys.
  • •The B31 has a magnetic storage slot for its 2.4 GHz receiver, according to its product page.
ModdingKeychron B6 Pro
  • •The B6 Pro's keycaps are not listed as non-replaceable, unlike the B31 where the listing explicitly states 'Keycaps are not replaceable.'
  • •The B6 Pro features north-facing RGB lighting, indicating some level of component customization for lighting effects.
  • •User reviews for the B6 Pro discuss customization desires like backlighting, suggesting a modding-interested user base.
Content CreationKeychron B6 Pro
  • •The B6 Pro's full-size layout provides direct access to a number pad for timeline scrubbing and numerical input in creative software.
  • •A manufacturer-listed shortcut (Fn + Shift) brings up an emoji picker, which can be useful for social media content.
  • •Its low-profile, ultra-slim design (5mm thickness) may be preferred for a cleaner, minimalist desk setup often showcased in content.

Frequently Asked Questions (FAQ)

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