Keychron K3 vs Q3Slim Wireless vs Full-Size Custom
Choose the K3 for wireless and ultra-slim portability, or the Q3 for a premium all-metal build and deep QMK/VIA customization.
Which one should you get?
Get the
Keychron K3
Slim Wireless
- Ultra-slim low profile design with aluminum body for easy portability.
- Bluetooth 5.1 wireless connectivity supports pairing with multiple devices.
- 1550mAh battery offers up to 34 hours of use at lowest brightness.
- Low profile optical switches are not compatible with standard MX switches.
- Plastic plate and plate mount construction limit sound and feel customization.
- No QMK or VIA support for advanced remapping.
Get the
Keychron Q3
Full-Size Custom
- Full CNC machined 6063 aluminum case with double-gasket design.
- QMK and VIA support for complete key remapping and macro programming.
- Programmable aluminum knob for creative workflow shortcuts.
- Heavy at 2000 grams, not suitable for frequent travel.
- Wired only connectivity limits placement options.
- Steel plate adds weight and may feel stiff for some users.
For those who need a highly portable wireless keyboard for travel or a clutter-free desk, the Keychron K3 is the practical choice. However, if you prioritize build quality, customization, and a premium typing experience, the Keychron Q3 is the superior option. The Q3's all-aluminum construction, QMK/VIA support, and gasket mount make it a long-term investment for enthusiasts and professionals alike.
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 K3
Keychron Q3
Layout size
75%
80%
Connection
Bluetooth, Wired
Wired
Low profile
Yes
No
Case material
ABS, Aluminum
Aluminum
Switch options
Clicky, Linear, Tactile
Clicky, Linear, Silent, Tactile
- Keychron K3
- Keychron Q3
- Performance
- 6472
- Build quality
- 6191
- Productivity
- 6598
- Customizability
- 6998
- Portability
- 8057
- Hot-swappable
- Keycaps: ABS, PBT
What will you mostly use it for?
Across most use cases, the Keychron Q3 comes out ahead due to its robust construction and extensive customization. For gaming, the Q3's 1000 Hz polling rate and pre-lubed switches offer better performance. Office and programming users benefit from QMK/VIA support, a programmable knob, and a stable gasket mount. Modders will appreciate the Q3's hot-swappable PCB and barebones options. The K3 is the clear winner for travel, where its ultra-slim profile and Bluetooth connectivity provide unmatched portability. Content creators favor the Q3's knob and south-facing RGB for workflow flexibility.
Pick the Keychron Q3
- 1000 Hz polling rate out of the box for low latency.
- Gasket mount and steel plate provide a stable typing platform.
- Gateron G Pro switches are pre-lubed for smoother performance.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3
No owner reviews collected yet.
Keychron Q3
108 owner reviews
“I upgraded from the Q1 as I never really liked 75%. The weight, sound and feel of the Q3 are all amazing. Really good build quality. Money well spent.”
“I thought I had found exactly what I wanted and its great for what it is, but! This was advertised as an ANSI layout but what I received was an ISO layout board. The barebones board also states in the images that it comes with switch and keycap removal tools…”
Keychron K3 vs Q3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
16 of 27 specs differ
Keychron K3
Keychron Q3
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
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Keychron K3 vs Q3: your questions
No, the Keychron K3 uses low profile Keychron Optical switches that are not compatible with conventional MX mechanical switches. The hot-swappable feature only works with the low profile optical switch version, so you cannot install standard MX switches on this board.
No, the Keychron Q3 is a wired-only keyboard. It connects via USB-C and does not include Bluetooth or any wireless capability. If you need a wireless board, consider the Keychron K3 or other models from Keychron's lineup.
The Keychron Q3 has far better software customization. It supports QMK and VIA firmware, allowing full key remapping, macros, and layer changes. The Keychron K3 does not support QMK or VIA, so its customization is limited to pre-set functions and onboard controls.
Yes, the Keychron Q3 is suitable for gaming thanks to its 1000 Hz polling rate and low latency. The gasket mount and steel plate provide a stable typing platform, and the pre-lubed Gateron G Pro switches offer smooth keystrokes. The Q3 also supports hot-swappable switches for personalized feel.
The Keychron K3 has a 1550mAh rechargeable li-polymer battery. According to the specifications, the Bluetooth working time is up to 34 hours at the lowest brightness for both white backlight and RGB versions. Turning off the backlight will extend battery life further.
Yes, the Keychron Q3 comes with OSA profile ABS backlight shine-through keycaps. They are designed to enhance the backlight effect, especially with the south-facing RGB LEDs. The set includes keycaps for both macOS and Windows layouts.
Yes, the Keychron Q3 is available as a barebones kit, which includes the case, PCB, plate, and stabilizers but no switches or keycaps. This allows you to fully customize the board with your choice of switches and keycaps.
The Keychron K3 has a smaller footprint. It uses a 75% layout that is compact and designed for productivity while saving desk space. The Keychron Q3 is an 80% TKL layout, which is larger and requires more desk area due to its full aluminum case.
Yes, according to the package content listed for the Keychron K3, it includes a dust cover. This is useful for protecting the keyboard when traveling or not in use, adding to its portability.
The Keychron Q3 is offered with Gateron G Pro Red (linear) and Gateron G Pro Brown (tactile) switches in the fully assembled version. The barebones version does not include switches. All G Pro switches, except clicky ones, are factory pre-lubed.
Yes, the Keychron K3 supports both macOS and Windows. It comes with extra keycaps for both operating systems and includes a system toggle switch. The layout is designed with Mac users in mind but works seamlessly with Windows as well.
The Keychron Q3 is significantly heavier at approximately 2000 grams for the fully assembled version, due to its full CNC machined aluminum case and steel plate. The Keychron K3 is much lighter and more portable, though its exact weight is not specified in the provided data.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.