Compare Keychron B3 Pro vs V1 Ultra Differences Side by Side

This comparison is for buyers deciding between Keychron's entry-level and enthusiast-tier 75% wireless keyboards. The choice hinges on whether you prioritize a low-profile, lightweight design at a lower cost or demand top-tier performance, extensive customization, and premium acoustics. Both share a 75% layout and multi-device wireless connectivity, making the core trade-off between a slim, simple tool and a robust, moddable platform.

Model
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Rating	0.0 stars (0 reviews)	5.0 stars (1 reviews)
Purchase Options
Main differences	Released in 2025 Has Linear, Tactile, Clicky switch options Features a low-profile design Built with the ANSI layout standard Runs at a 1000 Hz polling rate Equipped with a 1200 mAh battery Weighs about 410 g Sized at 3 x 100 x 380 mm Made with a ABS case Features ABS keycaps Offers No RGB lighting	Released in 2026 Has Tactile, Linear, Clicky switch options Supports hot-swappable switches Built with the ISO-DE, ISO-ES, ISO-FR, ISO, ANSI layout standard Comes with a knob Supports QMK firmware Supports VIA configuration Features N-key rollover Includes screw-in stabilizers Has built-in sound dampening Uses a Gasket Mount mounting style Runs at a 8000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 770 g Sized at 29 x 329 x 149 mm Made with a Plastic, ABS case Features PBT keycaps Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Score	Scores Performance: 48.5 Build Quality: 42.4 Productivity: 66.9 Customizability: 46 Portability: 78.2	Scores Performance: 91.1 Build Quality: 83.9 Productivity: 97.7 Customizability: 95.2 Portability: 80
Name	Name Keychron B3 Pro	Name Keychron V1 Ultra
Release year	Release year 2025	Release year 2026
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Tactile, Linear, Clicky
Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ISO-DE, ISO-ES, ISO-FR, ISO, 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 8000 Hz
Battery capacity	Battery capacity 1200 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 Rgb, White, South-face, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material Plastic, ABS
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT
Dimensions	Dimensions 3 x 100 x 380 mm	Dimensions 29 x 329 x 149 mm
Weight	Weight 410g	Weight 770g

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Pros and Trade-offs

Your budget and intended use decisively split these two keyboards. The Keychron B3 Pro is a capable, no-frills wireless keyboard for those who value a slim, lightweight form factor for daily office work or travel. The Keychron V1 Ultra is a premium investment for enthusiasts and power users who demand the highest performance, deep customization, and a richer typing experience. If modding, gaming latency, or programmability matter, the V1 Ultra is the clear path.

Keychron B3 Pro

+Extremely lightweight at 410 grams for high portability.
+Ultra-slim, low-profile design with a 3-degree typing angle.
+Includes a protective silicone key skin option for spill and dust resistance.
+More affordable price point.
+Vendor description mentions concave keycaps for precise input.

−Uses ABS keycaps which may develop shine over time.
−Lower 1000 Hz polling rate compared to the V1 Ultra.
−Smaller 1200mAh battery offers less wireless runtime.
−Lacks hot-swap sockets, RGB lighting, and advanced programmability like QMK.

Keychron V1 Ultra

+High 8000 Hz polling rate in wired and 2.4 GHz modes for competitive gaming.
+Fully hot-swappable PCB for easy switch customization.
+Extensive modding features: gasket mount, polycarbonate plate, multiple foam layers, and screw-in stabilizers.
+Large 4000mAh battery for up to 660 hours of wireless use (backlight off).
+Includes double-shot PBT keycaps, a control knob, and per-key RGB lighting.

−Significantly heavier at 770 grams, reducing portability.
−Higher price point.
−Standard profile height may not suit users seeking an ultra-low typing position.

Which Keyboard Is Better for Your Needs?

The V1 Ultra dominates for performance-focused and customizable use cases like gaming, programming, modding, and content creation, thanks to its high polling rate, enthusiast features, and programmability. The B3 Pro is the clear choice for travel and office environments where its low-profile, lightweight, and spill-resistant design are major advantages. For general productivity, the decision leans toward the V1 Ultra for its knob and programmability, unless portability is the overriding concern.

GamingKeychron V1 Ultra

•The V1 Ultra offers an 8000 Hz polling rate in both wired and 2.4 GHz modes for minimal input lag.
•It features N-key rollover for reliable simultaneous key presses.
•The B3 Pro has a standard 1000 Hz polling rate.

OfficeKeychron B3 Pro

•The B3 Pro is significantly lighter at 410g and has an ultra-slim, low-profile design.
•Its vendor description mentions a protective silicone skin is available to guard against spills and dust.
•It includes a low-profile switch design which may be preferred for shared workspaces.

ProgrammingKeychron V1 Ultra

•The V1 Ultra supports QMK and VIA firmware for deep, on-device key remapping and macro programming.
•It includes a knob for quick media or macro control, a useful productivity tool.
•Its hot-swappable PCB allows easy switch changes to tailor the typing feel.

TravelKeychron B3 Pro

•The B3 Pro weighs 410g, nearly half the 770g of the V1 Ultra.
•It has a thinner, ultra-slim integrated body according to its vendor page.
•Its low-profile design is more packable.

ModdingKeychron V1 Ultra

•The V1 Ultra is hot-swappable, supports QMK/VIA, and has a gasket mount design.
•It features multiple acoustic foam layers (sound absorbing foam, PET film, EPDM foam) for sound tuning.
•It uses screw-in stabilizers for easier modding and a polycarbonate plate.

Content CreationKeychron V1 Ultra

•The V1 Ultra includes a knob for precise timeline scrubbing or volume control.
•It offers per-key RGB and mix RGB lighting zones for visual customization in streams or videos.
•Its extensive macro programming via QMK/VIA can streamline editing workflows.