Compare Keychron B1 Pro vs K15 Max Differences Side by Side

This comparison is for buyers deciding between two low-profile wireless keyboards from Keychron. The choice is difficult because both offer triple-mode connectivity and a 75% form factor, but they target vastly different budgets and user priorities. The B1 Pro is an affordable entry point, while the K15 Max Alice justifies its higher price with superior materials, an ergonomic layout, and enthusiast-grade features. Your decision hinges on how much you value cost savings versus long-term build quality and typing ergonomics.

Model
	-11% off	-25% off 89	Select a keyboard to compare
Rating	4.2 stars (15 reviews)	4.1 stars (14 reviews)
Purchase Options
Main differences	Built with the ANSI, ISO, JIS layout standard Offers Normal ergonomics 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	Supports hot-swappable switches Built with the ANSI layout standard Offers Alice ergonomics Supports QMK firmware Supports VIA configuration Features N-key rollover Has built-in sound dampening Uses a PCB Mount mounting style Equipped with a 2000 mAh battery Weighs about 700 g Sized at 29 x 370 x 143 mm Made with a ABS, Aluminum case Features PBT keycaps Offers Yes, Rgb, White RGB lighting
Score	Scores Performance: 47.8 Build Quality: 41.5 Productivity: 65.2 Customizability: 44.8 Portability: 77.6	Scores Performance: 80.8 Build Quality: 79.5 Productivity: 92.7 Customizability: 88.7 Portability: 79.3
Name	Name Keychron B1 Pro	Name Keychron K15 Max
Release year	Release year 2024	Release year 2024
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 75%
Layout Standard	Layout Standard ANSI, ISO, JIS	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Alice
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 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 PCB Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight Rgb, White
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material ABS, Aluminum
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT
Dimensions	Dimensions 5 x 296 x 130 mm	Dimensions 29 x 370 x 143 mm
Weight	Weight 425g	Weight 700g

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Pros and Trade-offs

Select the Keychron B1 Pro if your primary needs are a low-cost, portable keyboard with specific ISO language layouts. Opt for the Keychron K15 Max Alice if you are willing to invest more for a keyboard with superior build materials, deep programmability, ergonomic design, and the ability to modify switches and sound profile. The K15 Max is the long-term investment for an enthusiast, while the B1 Pro is a practical, budget-conscious workhorse.

Keychron B1 Pro

+More affordable price point.
+Offers multiple ISO layout options (e.g., UK, DE, Nordic).
+Extremely lightweight at 425 grams for high portability.
+Includes a protective silicone skin, according to the manufacturer.
+Claims up to 1200 hours of battery life on a single charge.

−Uses ABS keycaps which are less durable than PBT.
−Plastic case construction lacks the premium feel of aluminum.
−No hot-swap capability for switches.
−No RGB lighting options.

Keychron K15 Max

+Ergonomic Alice layout with a split key design.
+Premium construction with an aluminum frame and ABS case.
+Comes with double-shot PBT keycaps for better durability.
+Hot-swappable PCB (on RGB version) and full QMK/VIA firmware support.
+Includes interior IXPE and latex foam for sound dampening.

−Higher price point.
−Heavier and larger than the B1 Pro, at 700g and 370mm wide.
−Only available in ANSI layout, no ISO options.
−Alice layout has a learning curve and may not suit all users.

Which Keyboard Is Better for Your Needs?

The K15 Max Alice is the clear choice for users who prioritize ergonomics, customizability, and a premium build, winning in Gaming, Programming, Modding, and Content Creation. The B1 Pro excels in Travel due to its lighter weight and smaller size. For general Office use, it's a tie, as both offer core productivity features, leaving the decision to budget and layout preference.

GamingKeychron K15 Max

•Both have a 1000 Hz polling rate for responsive input.
•The K15 Max Alice features a more stable PCB mount design and an aluminum frame for rigidity.
•Its redesigned stabilizers are noted for less wobble on large keys.

OfficeTie

•Both support Mac and Windows layouts and offer multimedia keys.
•The B1 Pro is lighter and more portable for a mobile office setup.
•The K15 Max Alice offers a larger 2000mAh battery for longer wireless use.

ProgrammingKeychron K15 Max

•The K15 Max Alice supports QMK and VIA for deep key remapping and macros.
•Its Alice layout may reduce strain during long typing sessions.
•PBT keycaps are more durable and resistant to shine over time.

TravelKeychron B1 Pro

•The B1 Pro is significantly lighter at 425g versus 700g.
•It has a smaller footprint (296mm wide vs 370mm).
•Its lower price point reduces risk if damaged during travel.

ModdingKeychron K15 Max

•The K15 Max Alice is hot-swappable (on the RGB version), allowing easy switch changes.
•It features sound-dampening IXPE and latex foam inside the case.
•Open-source QMK firmware support allows for extensive firmware customization.

Content CreationKeychron K15 Max

•RGB backlighting on the K15 Max offers visual customization for streaming setups.
•Programmable macros via QMK/Launcher can streamline editing workflows.
•The ergonomic Alice layout can improve comfort during long creative sessions.