Which one should you get?
Get the
Keychron B3 Pro
Budget Slim
- 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.
- 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.
Get the
Keychron V1 Ultra
Premium Custom
- 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.
- Significantly heavier at 770 grams, reducing portability.
- Higher price point.
- Standard profile height may not suit users seeking an ultra-low typing position.
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.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Keychron B3 Pro
Keychron V1 Ultra
Hot-swappable
No
Yes
Battery
1,200 mAh
4,000 mAh
Low profile
Yes
No
Max polling rate
1,000 Hz
8,000 Hz
Case material
ABS
ABS, Plastic
- Keychron B3 Pro
- Keychron V1 Ultra
- Performance
- 5191
- Build quality
- 4384
- Productivity
- 7098
- Customizability
- 4894
- Portability
- 7979
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
What will you mostly use it for?
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.
Pick the Keychron 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.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron B3 Pro
No owner reviews collected yet.
Keychron V1 Ultra
1 owner reviews
“Keychron has the best keyboard for keyboard enthusiasts. This is my 3rd and I have no notes. Exactly what I wanted, versatility, thockiness, and portability.”
Keychron B3 Pro vs V1 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
19 of 28 specs differ
Keychron B3 Pro
Keychron V1 Ultra
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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Keychron B3 Pro vs V1 Ultra: your questions
The Keychron V1 Ultra is better for gaming due to its 8000 Hz polling rate in both wired and 2.4 GHz wireless modes, which minimizes input lag. It also features N-key rollover to ensure all key presses are registered accurately during complex key combinations.
No, the Keychron B3 Pro is not listed as hot-swappable in its specifications. Changing switches would require soldering, unlike the V1 Ultra which has a hot-swappable PCB for tool-free switch changes.
According to its vendor description, the Keychron V1 Ultra has a 4000mAh battery that can last up to 660 hours on a single charge with the RGB backlight turned off. With RGB on at the lowest brightness, battery life is estimated at up to 200 hours.
Yes, the Keychron B3 Pro is well-suited for travel. It weighs only 410g, has an ultra-slim low-profile design, and supports both Bluetooth and 2.4 GHz wireless connectivity, making it easy to pack and use with multiple devices on the go.
Yes, both the Keychron B3 Pro and V1 Ultra are listed as supporting Mac and Windows. The V1 Ultra's vendor description notes it includes an additional set of keycaps and a system toggle to easily switch between macOS and Windows layouts.
The Keychron B3 Pro uses ABS keycaps, while the V1 Ultra uses double-shot PBT keycaps. PBT keycaps are generally more resistant to oil and shine over time compared to ABS.
The Keychron V1 Ultra is far more customizable. It is hot-swappable, supports QMK and VIA firmware for deep programming, has a gasket mount design, and includes multiple foam layers for acoustic tuning. The B3 Pro uses the web-based Keychron Launcher for remapping but lacks hardware modding features.
No, the Keychron B3 Pro does not have RGB lighting according to its specifications. The Keychron V1 Ultra features south-facing RGB LEDs with per-key and mix RGB lighting modes.
A gasket mount is a design where the plate holding the switches is suspended on soft gaskets within the case, typically leading to a softer, more cushioned typing feel and reduced sound resonance. Only the Keychron V1 Ultra features a gasket mount design.
Both keyboards can be programmed using the web-based Keychron Launcher for macros and key remapping. However, the V1 Ultra offers additional, more advanced programming options through its support for QMK and VIA firmware, which allow for on-device memory and more complex customizations.
While both can be equipped with silent switches, the Keychron V1 Ultra is designed to be quieter out of the box due to its gasket mount design, polycarbonate plate, and multiple layers of sound-dampening foam (sound absorbing foam, PET film, EPDM foam). The B3 Pro's low-profile switches may also be relatively quiet.
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