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Compare Keychron K3 Pro vs Q3 Pro Differences Side by Side

This comparison suits buyers choosing between a compact low-profile wireless keyboard and a larger, full-aluminum TKL model. Both offer Bluetooth and wired connectivity, hot-swappable switches, QMK and VIA support, and a 1000 Hz wired polling rate. The K3 Pro weighs 525 g and has a low-profile design, while the Q3 Pro weighs 2300 g and adds a gasket mount, a PC plate, and a programmable knob. The decision comes down to a slimmer, lighter form versus a more substantial build with more customization features.

87
Keychron K3 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
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Keychron Q3 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection - Image: 14

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4.7 (54)
4.8 (46)
  • Released in 2022
  • Features a low-profile design
  • Available in a 75% layout
  • Built with the ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ANSI layout standard
  • Uses a Tray Mount mounting style
  • Equipped with a 1550 mAh battery
  • Weighs about 525 g
  • Sized at 15 x 306 x 116 mm
  • Made with a Aluminum, Plastic, ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2023
  • Available in a 80% layout
  • Built with the ISO, ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW, ANSI layout standard
  • Comes with a knob
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Equipped with a 4000 mAh battery
  • Weighs about 2300 g
  • Sized at 31 x 144 x 415 mm
  • Made with a Aluminum case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 81.1
  • Build Quality: 81.4
  • Productivity: 79.9
  • Customizability: 88
  • Portability: 76.9
Scores
  • Performance: 81.6
  • Build Quality: 89.3
  • Productivity: 97.1
  • Customizability: 98.2
  • Portability: 76.1
Name
Keychron K3 Pro
Name
Keychron Q3 Pro
Release year
2022
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
80%
Layout Standard
ISO, JIS, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK, ANSI
Layout Standard
ISO, ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW, ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, Wired, Wireless
Connection
Bluetooth, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
1550 mAh
Battery capacity
4000 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Tray Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, North-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum
Keycaps Material
ABS, PBT
Keycaps Material
ABS, PBT
Dimensions
15 x 306 x 116 mm
Dimensions
31 x 144 x 415 mm
Weight
525g
Weight
2300g
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Pros and Trade-offs

Pick the Keychron K3 Pro if low-profile typing, lower weight, and a compact 75% layout are your priorities. Choose the Q3 Pro if you want an aluminum gasket-mount build, broader MX-style switch compatibility, or the knob and Special Edition macro keys for customized workflows. Both cover wired and Bluetooth use and support QMK and VIA, so the core choice is portability versus a more substantial, feature-rich TKL design.

Keychron K3 Pro

  • +Low-profile 75% layout and 525 g listed weight make it the lighter, slimmer option.
  • +Hot-swap version accepts Gateron low-profile mechanical switches without soldering.
  • +Supports Bluetooth and USB-C wired connectivity, with Bluetooth connections to up to three devices in the vendor description.
  • +QMK and VIA support provide key remapping and macro customization.
  • +Low-profile double-shot PBT keycaps are listed, with dye-sublimated PBT on the Special Edition.
  • −Hot-swap compatibility is limited to Gateron low-profile mechanical switches, according to the vendor.
  • −Its 1550 mAh battery is smaller than the Q3 Pro's 4000 mAh battery.
  • −The tray-mount build uses a plastic plate, unlike the Q3 Pro's gasket mount and PC plate.

Keychron Q3 Pro

  • +Full CNC-machined aluminum body with gasket mount, PC plate, and silicone pads between the case halves.
  • +Hot-swappable switches support most 3-pin and 5-pin MX-style mechanical switches, according to the vendor.
  • +The programmable knob can be assigned to creative actions such as zooming or adjusting brush size.
  • +The Special Edition adds four left-side macro keys assignable through VIA.
  • +Its 4000 mAh battery is listed with up to 300 hours of Bluetooth use with the backlight off in the vendor description.
  • −At 2300 g for the fully assembled version listed in the metadata, it is substantially heavier than the K3 Pro.
  • −Its 80% TKL layout takes a larger footprint than the K3 Pro's 75% layout.
  • −The vendor's ISO collection distinguishes keycap options by version, so buyers should check whether their selected layout comes with ABS shine-through or double-shot PBT keycaps.

Which Keyboard Is Better for Your Needs?

The Q3 Pro leads for office work, programming, modding, and content creation, chiefly through its knob, broader switch compatibility, and heavier customization options. The K3 Pro is the more practical pick for travel because it is much lighter and uses a low-profile 75% layout. Gaming is a close call on the listed wired polling rate and rollover features, with switch compatibility and form factor as the more meaningful distinctions. Both provide wireless and wired use along with QMK and VIA support.

GamingTie
  • •Both list a 1000 Hz polling rate and N-key rollover for wired and wireless modes.
  • •Both offer hot-swappable switches, though the K3 Pro is limited to Gateron low-profile mechanical switches while the Q3 Pro supports most 3-pin and 5-pin MX-style switches.
OfficeKeychron Q3 Pro
  • •The Q3 Pro has an 80% TKL layout with a programmable knob and, on the Special Edition, four left-side macro keys.
  • •Its full CNC-machined aluminum body, gasket mount, and silicone pads between the case halves are designed to reduce metal resonance.
  • •The K3 Pro is lower-profile and lighter at 525 g, which may suit a desk where a less substantial keyboard is preferred.
ProgrammingKeychron Q3 Pro
  • •Both support QMK, VIA, and key remapping, but the Q3 Pro also supports a programmable knob and Special Edition macro keys.
  • •The Q3 Pro accepts most 3-pin and 5-pin MX-style switches, while the K3 Pro hot-swap version is limited to Gateron low-profile mechanical switches.
  • •Both vendor descriptions list macOS, Windows, and Linux support for their software.
TravelKeychron K3 Pro
  • •The K3 Pro weighs 525 g, compared with 2300 g for the fully assembled Q3 Pro listed in the metadata.
  • •The K3 Pro has a 75% low-profile layout, while the Q3 Pro is an 80% TKL keyboard.
  • •Both support Bluetooth and wired USB-C connectivity, but the K3 Pro's lower weight and low-profile form make it the more travel-oriented choice.
ModdingKeychron Q3 Pro
  • •The Q3 Pro hot-swaps most 3-pin and 5-pin MX-style switches; the K3 Pro hot-swap option is limited to Gateron low-profile mechanical switches.
  • •The Q3 Pro is offered as a DIY kit or barebones option and has an aluminum case, PC plate, and gasket mount.
  • •Both support QMK and VIA, so either can be customized through key remapping and macros.
Content CreationKeychron Q3 Pro
  • •The Q3 Pro's programmable knob can be assigned to actions such as zooming, adjusting brush size, or selecting video clips.
  • •The Q3 Pro Special Edition adds four left-side macro keys that can be assigned actions through VIA.
  • •The K3 Pro includes multimedia keys and QMK support but does not list a knob or dedicated macro keys.

Frequently Asked Questions (FAQ)

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