Compare Keychron B1 Pro vs B33 Differences Side by Side

This comparison is for buyers deciding between two of Keychron's budget-friendly, low-profile wireless keyboards. The choice is difficult because both offer tri-mode connectivity and programmability via Keychron Launcher, but diverge sharply in form factor, build, and intended use. The B1 Pro is an ultra-slim 75% board focused on lightness and battery longevity, while the B33 is a heavier 80% TKL with a scissor switch mechanism and more adjustable ergonomics.

Model
		66	Select a keyboard to compare
Rating	4.2 stars (15 reviews)	4.7 stars (3 reviews)
Purchase Options
Main differences	Released in 2024 Available in a 75% layout Built with the ANSI, ISO, JIS layout standard Equipped with a 800 mAh battery Weighs about 425 g Sized at 5 x 296 x 130 mm Made with a Plastic, ABS case Features ABS keycaps	Released in 2025 Available in a 80% layout Built with the ANSI layout standard Features N-key rollover Includes screw-in stabilizers Has built-in sound dampening Uses a Gasket Mount mounting style Equipped with a 4000 mAh battery Weighs about 1977 g Sized at 33 x 370 x 146 mm Made with a Metal, ABS case Features PBT, ABS keycaps
Score	Scores Performance: 48.1 Build Quality: 41.6 Productivity: 66.1 Customizability: 45 Portability: 77.9	Scores Performance: 56.4 Build Quality: 65.7 Productivity: 85.3 Customizability: 51.9 Portability: 73.6
Name	Name Keychron B1 Pro	Name Keychron B33
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 80%
Layout Standard	Layout Standard ANSI, ISO, JIS	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 800 mAh	Battery capacity 4000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material Metal, ABS
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT, ABS
Dimensions	Dimensions 5 x 296 x 130 mm	Dimensions 33 x 370 x 146 mm
Weight	Weight 425g	Weight 1977g

*Something incorrect or missing? Please

let me know

!

Pros and Trade-offs

Your primary need dictates the choice. If your keyboard moves with you and you prioritize never plugging it in, the Keychron B1 Pro is the clear winner. If your keyboard stays on one desk and you value a quiet, stable typing feel with more keys and ergonomic adjustments, the Keychron B33 provides better features for the price. Both share core wireless connectivity and software customization.

Keychron B1 Pro

+Extremely lightweight at 425 grams for high portability.
+Claimed 1200-hour battery life for minimal charging.
+Supports ZMK firmware for advanced key remapping.
+Offers multiple international ISO layout options (FR, DE, UK, etc.).
+Includes a protective silicone skin to guard against spills and dust.

−No backlighting, making typing in low light difficult.
−Uses ABS keycaps which may develop shine over time.
−The 75% layout lacks dedicated function row and some navigation keys.
−Some user reviews mention key rollover issues during fast typing sequences.

Keychron B33

+Features a silent scissor switch mechanism with pre-lubed keys for quiet operation.
+Offers two adjustable typing angles (6.5° and 9°) for ergonomics.
+Includes a magnetic storage slot on the keyboard for its 2.4 GHz receiver.
+Comes with PBT keycaps in some configurations for better durability.
+TKL layout retains dedicated arrow keys and navigation cluster.

−Very heavy at 1977 grams, limiting portability.
−Shorter claimed battery life of 320 hours compared to the B1 Pro.
−The vendor specs list it as non-backlit (NKRO support is listed as 'No').
−No user reviews are available to confirm real-world performance.

Which Keyboard Is Better for Your Needs?

The B33 is the more versatile choice for stationary setups, winning in Gaming, Office, Programming, and Content Creation due to its silent typing, ergonomic adjustments, and full TKL layout. The B1 Pro dominates for Travel thanks to its ultra-light weight and exceptional battery life. For Modding, both offer similar software customization but lack hardware hot-swap capabilities.

GamingKeychron B33

•The B33's listing explicitly mentions it's suitable for gaming, while the B1 Pro's does not.
•Both have a 1000 Hz polling rate for responsive 2.4 GHz connections.
•The B33's heavier weight and larger footprint provide more stability during intense sessions.

OfficeKeychron B33

•The B33 is marketed for silent typing with pre-lubed keys, ideal for shared spaces.
•It offers two adjustable typing angles (6.5° and 9°) for ergonomic support.
•The 80% TKL layout retains dedicated function and navigation keys for productivity shortcuts.

ProgrammingKeychron B33

•The B33's TKL layout provides dedicated arrow and navigation keys without layers.
•Its adjustable typing angles can reduce wrist strain during long coding sessions.
•The manufacturer states it supports N-Key Rollover for accurate multi-key presses.

TravelKeychron B1 Pro

•The B1 Pro is significantly lighter at 425g compared to the B33's 1977g.
•It has a more compact 75% footprint (296mm long) versus the B33's 370mm length.
•Its claimed 1200-hour battery life far exceeds the B33's 320 hours.

ModdingTie

•Neither keyboard is listed as hot-swappable, limiting switch customization.
•Both support key remapping and macros via the Keychron Launcher web app.
•The B33's listing mentions screw-in stabilizers, which can be modded for sound.

Content CreationKeychron B33

•The B33 includes dedicated multimedia control keys for quick media playback adjustments.
•Its larger layout may accommodate macro pads or dedicated shortcut keys more easily.
•The adjustable angles allow for a more comfortable wrist position during long editing tasks.