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Compare Keychron B1 Pro vs B35 Differences Side by Side

This comparison is for buyers deciding between two affordable, tri-mode wireless keyboards from Keychron. The choice is difficult because both share similar price points, connectivity, and software support. The decision ultimately hinges on whether you prioritize an ultra-slim, portable 75% form factor or a more complete 96% layout with a focus on silent typing and ergonomic adjustability.

Keychron B1 Pro Ultra-Slim Wireless Keyboard ISO Layout Collection
Keychron B35 Wireless Keyboard

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4.2 (15)
0.0 (0)
  • Released in 2024
  • Features a low-profile design
  • Available in a 75% layout
  • Built with the ANSI, ISO, JIS layout standard
  • Weighs about 425 g
  • Sized at 5 x 296 x 130 mm
  • Made with a Plastic, ABS case
  • Released in 2025
  • Available in a 96% layout
  • Built with the ANSI layout standard
  • Features N-key rollover
  • Weighs about 510 g
  • Sized at 26 x 136 x 381 mm
  • Made with a ABS, Plastic case
Scores
  • Performance: 48.1
  • Build Quality: 41.6
  • Productivity: 66.1
  • Customizability: 45
  • Portability: 77.9
Scores
  • Performance: 55.2
  • Build Quality: 42.7
  • Productivity: 59.3
  • Customizability: 44.9
  • Portability: 49.2
Name
Keychron B1 Pro
Name
Keychron B35
Release year
2024
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
96%
Layout Standard
ANSI, ISO, JIS
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, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
800 mAh
Battery capacity
800 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
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
ABS, Plastic
Keycaps Material
ABS
Keycaps Material
ABS
Dimensions
5 x 296 x 130 mm
Dimensions
26 x 136 x 381 mm
Weight
425g
Weight
510g
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Pros and Trade-offs

Your primary need dictates the choice. If you require a full layout for number crunching, value silent typing, and want adjustable angles, the Keychron B35 is the more capable daily driver. If your priority is portability, a low-profile typing experience, or a specific ISO layout, the slimmer and lighter Keychron B1 Pro is the better fit. Both provide reliable tri-mode connectivity at a similar price.

Keychron B1 Pro

  • +Extremely portable with a 5mm thick, 425g low-profile design.
  • +Vendor claims an exceptionally long 1200-hour battery life.
  • +Offers a wide range of ISO layout options (e.g., UK, DE, Nordic, Hungarian).
  • +Includes a protective silicone skin, according to the product listing.
  • −Fixed, low 3° typing angle with no adjustability.
  • −75% layout lacks a numpad and some navigation keys.
  • −Uses a low-profile keycap and switch design, which may not suit all typists.

Keychron B35

  • +96% layout includes a numpad and arrow keys in a compact form.
  • +Features a silent scissor switch mechanism with pre-lubed keys for quiet typing.
  • +Offers adjustable typing angles (6.5° and 9°) for better ergonomics.
  • +Includes a magnetic storage slot for its 2.4 GHz USB receiver.
  • −Heavier and bulkier (510g, 381mm length) than the B1 Pro.
  • −Vendor-listed battery life of 320 hours is shorter than the B1 Pro's claimed life.
  • −Only available in an ANSI layout, with no ISO options mentioned.

Which Keyboard Is Better for Your Needs?

The B35 is the clear choice for office work and content creation due to its numpad, silent operation, and adjustable ergonomics. The B1 Pro wins for travel and programming, where its ultra-slim, lightweight design and ISO layout options are more valuable. For gaming and modding, the keyboards are evenly matched, sharing core wireless performance but similar limitations in rollover and hardware customizability.

GamingTie
  • •Both offer a 1000 Hz polling rate over 2.4 GHz for responsive input.
  • •Both lack N-key rollover, which may be a limitation for complex key combinations.
  • •The B1 Pro's low-profile design may appeal to some gamers, while the B35's silent typing is better for shared spaces.
OfficeKeychron B35
  • •The B35's 96% layout includes a numpad, which is essential for data entry.
  • •Its manufacturer description highlights silent typing with pre-lubed keys and a scissor mechanism, ideal for open offices.
  • •It features adjustable typing angles of 6.5° and 9°, offering more ergonomic support than the B1 Pro's fixed 3° angle.
ProgrammingKeychron B1 Pro
  • •The B1 Pro's 75% layout saves desk space while retaining arrow and function keys.
  • •It offers multiple ISO layout options (e.g., UK, DE, Nordic), which can be crucial for international programmers.
  • •Its lighter weight (425g vs 510g) and slimmer profile may be preferable for minimalist setups.
TravelKeychron B1 Pro
  • •The B1 Pro is significantly lighter at 425g compared to the B35's 510g.
  • •It has a much slimmer profile at 5mm thickness versus the B35's 17.94mm front height.
  • •The vendor claims an impressive 1200-hour battery life, though the B35's 320-hour life is also substantial.
ModdingTie
  • •Neither keyboard is listed as hot-swappable, limiting switch customization.
  • •Both support the Keychron Launcher web app for key remapping and macros.
  • •Both use ABS plastic cases and keycaps, with similar construction materials.
Content CreationKeychron B35
  • •The B35's full 96% layout provides dedicated media keys and a numpad for timeline scrubbing and numerical input.
  • •Its silent scissor switch mechanism, as described by the vendor, prevents microphone pick-up during recording.
  • •The adjustable typing angles may provide better long-term comfort during extended editing sessions.

Frequently Asked Questions (FAQ)

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