Compare Keychron B1 Pro vs K1 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's entry-level and mid-range low-profile wireless keyboards. The choice is difficult because both share core features like low-profile switches, multi-device wireless, and Mac/Windows support. The decision hinges on whether you prioritize a lower cost and extreme portability or are willing to pay more for a sturdier build, advanced programmability, and the ability to change switches.

Model
		86	Select a keyboard to compare
Rating	4.2 stars (15 reviews)	5.0 stars (10 reviews)
Purchase Options
Main differences	Released in 2024 Available in a 75% layout Built with the ANSI, ISO, JIS layout standard Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity 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 Offers No RGB lighting	Released in 2023 Supports hot-swappable switches Available in a 80% layout Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, 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 580 g Sized at 8 x 346 x 119 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
Score	Scores Performance: 48.2 Build Quality: 41.6 Productivity: 66.3 Customizability: 45 Portability: 77.9	Scores Performance: 81.2 Build Quality: 79.9 Productivity: 79.9 Customizability: 89.3 Portability: 73.1
Name	Name Keychron B1 Pro	Name Keychron K1 Pro
Release year	Release year 2024	Release year 2023
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 ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, 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, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 800 mAh	Battery capacity 2000 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 Tray Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight Rgb, North-face, White
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material Aluminum, Plastic, ABS,
Keycaps Material	Keycaps Material ABS	Keycaps Material ABS, PBT
Dimensions	Dimensions 5 x 296 x 130 mm	Dimensions 8 x 346 x 119 mm
Weight	Weight 425g	Weight 580g

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Pros and Trade-offs

Your budget and need for customization dictate the choice here. The Keychron B1 Pro is an excellent, no-frills wireless keyboard for those who want a slim, lightweight, and affordable tool for typing on the go. The Keychron K1 Pro justifies its higher cost with a premium aluminum build, extensive programmability via QMK/VIA, hot-swap capability, and backlighting, making it a long-term investment for enthusiasts and power users.

Keychron B1 Pro

+More affordable price point.
+Lighter weight (425g) and more compact 75% layout for portability.
+Includes a 2.4 GHz wireless connection option alongside Bluetooth.
+Vendor claims an impressive 1200-hour battery life.
+Comes with a protective silicone skin, according to the product description.

−No backlighting of any kind.
−Uses ABS keycaps, which are less durable than PBT.
−User reviews mention potential key rollover issues during fast typing.
−Plastic case construction feels less premium than aluminum.

Keychron K1 Pro

+Hot-swappable version allows for easy switch customization.
+Open-source QMK and VIA firmware support for advanced programming.
+Features a more durable double-shot PBT keycap set.
+Includes RGB or white backlighting options.
+Build incorporates an aluminum frame for a sturdier feel.

−Higher price point.
−Heavier (580g) and larger due to its 80% layout.
−Officially only compatible with Gateron low-profile mechanical switches.
−Lacks a dedicated 2.4 GHz receiver, relying solely on Bluetooth for wireless.

Which Keyboard Is Better for Your Needs?

The K1 Pro is the clear choice for users who value customization, whether through hardware (hot-swap switches) or software (QMK/VIA), and for tasks like gaming or programming where its specified N-key rollover and programmability are assets. The B1 Pro wins for travel due to its lighter weight and smaller size, making it a highly portable option. For general office use, both are competent, leaving the decision to budget and preferred build feel.

GamingKeychron K1 Pro

•Both have a 1000 Hz polling rate in wired mode for low latency.
•The K1 Pro's listing specifies N-key rollover for both wireless and wired modes, a detail not mentioned for the B1 Pro.
•User reviews for the B1 Pro mention key rollover issues with fast, multi-key sequences.

OfficeTie

•Both support multi-device Bluetooth and have a Mac layout with Windows compatibility.
•Both include multimedia keys for productivity shortcuts.
•The B1 Pro is lighter (425g) and more portable, while the K1 Pro's aluminum frame may feel more premium on a desk.

ProgrammingKeychron K1 Pro

•The K1 Pro offers QMK and VIA support for deep, open-source key remapping and macro programming.
•Its hot-swappable version allows switch customization without soldering.
•The 80% layout retains the function row, which some developers prefer for IDE shortcuts.

TravelKeychron B1 Pro

•The B1 Pro is significantly lighter at 425g versus the K1 Pro's 580g.
•It has a smaller 75% layout footprint (296mm wide) compared to the K1 Pro's 80% layout (346mm wide).
•The vendor description highlights its 'ultra-portable, lightweight' design.

ModdingKeychron K1 Pro

•The K1 Pro has a hot-swappable version for easy switch changes.
•It features QMK and VIA firmware support for extensive software customization.
•It uses double-shot PBT keycaps, which are more durable than the B1 Pro's ABS keycaps.

Content CreationKeychron K1 Pro

•The K1 Pro offers RGB or white backlighting for use in low-light environments, while the B1 Pro has no backlight.
•Programmable macros via QMK/VIA can streamline editing workflows.
•The aluminum frame provides a more stable typing platform for long sessions.