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Compare Keychron K1 Pro vs K3 Differences Side by Side

This comparison helps buyers decide between two of Keychron's ultra-slim wireless mechanical keyboards. The decision is difficult because both share a low-profile design, hot-swappable switches, and Bluetooth connectivity, yet they cater to different priorities. The K1 Pro offers full QMK/VIA programmability and a larger battery, while the K3 focuses on a smaller 75% layout. Buyers must weigh customization and software control against portability and a simpler feature set.

86
Keychron K1 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
65
Keychron K3 Ultra-slim Wireless Mechanical Keyboard FR-ISO Layout

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5.0 (10)
0.0 (0)
  • Has Linear, Tactile, Clicky switch options
  • Available in a 80% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Uses a Tray Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 580 g
  • Sized at 8 x 346 x 119 mm
  • Made with a Aluminum, Plastic, ABS, case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
  • Has Tactile, Linear, Clicky switch options
  • Available in a 75% layout
  • Built with the ISO-FR, ISO, ANSI layout standard
  • Uses a Plate Mount mounting style
  • Equipped with a 1550 mAh battery
  • Made with a Aluminum, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 81.2
  • Build Quality: 79.8
  • Productivity: 79.8
  • Customizability: 89.2
  • Portability: 73
Scores
  • Performance: 62.8
  • Build Quality: 61.7
  • Productivity: 66.7
  • Customizability: 69.5
  • Portability: 78.2
Name
Keychron K1 Pro
Name
Keychron K3
Release year
2023
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-FR, ISO-ES, ISO-SW, ANSI
Layout Standard
ISO-FR, ISO, 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
-
Battery capacity
2000 mAh
Battery capacity
1550 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
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face, White
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS,
Case Material
Aluminum, ABS
Keycaps Material
ABS, PBT
Keycaps Material
PBT, ABS
Dimensions
8 x 346 x 119 mm
Dimensions
-
Weight
580g
Weight
-
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Pros and Trade-offs

The Keychron K1 Pro is the better choice for users who prioritize deep customization through QMK/VIA, a larger battery, and a higher wired polling rate for gaming. The Keychron K3 is a solid alternative if you prefer a smaller, more travel-friendly form factor and are working with a tighter budget. For most users seeking a versatile low-profile keyboard, the K1 Pro offers more long-term value and flexibility.

Keychron K1 Pro

  • +Full QMK and VIA support for complete key remapping and macro creation.
  • +Larger 2000mAh battery for extended wireless use between charges.
  • +1000 Hz polling rate in wired mode, as confirmed by the vendor.
  • +Hot-swappable option available for Gateron low-profile mechanical switches.
  • −80% layout is larger than the K3's 75%, making it less portable.
  • −No dust cover or switch puller included in the box, as per the package content list.
  • −Lower portability score due to its larger size and heavier weight (580g).

Keychron K3

  • +More compact 75% layout reduces desk space usage and improves portability.
  • +Includes a dust cover and a switch puller for the optical version in the box.
  • +Vendor describes it as one of the thinnest and lightest wireless mechanical keyboards.
  • +Lower price point, as indicated by the starting price being less than the K1 Pro.
  • −No QMK or VIA support, limiting software customization options.
  • −Optical switch version is not compatible with standard MX mechanical switches.
  • −Smaller 1550mAh battery compared to the K1 Pro's 2000mAh.
  • −Polling rate is not stated in the provided data, leaving gaming performance unclear.

Which Keyboard Is Better for Your Needs?

The Keychron K1 Pro wins in most productivity and customization-focused categories. Its QMK/VIA support, larger battery, and higher polling rate make it the stronger choice for gaming, programming, office, modding, and content creation. The K3 takes the edge for travel due to its smaller 75% footprint and included dust cover. For users who need deep software control and a robust feature set, the K1 Pro is clearly more capable, while the K3 is the go-to for maximum portability.

GamingKeychron K1 Pro
  • •K1 Pro has a 1000 Hz polling rate in wired mode, as stated by the vendor.
  • •K1 Pro's wireless polling rate is 90 Hz, while K3 polling rates are not provided.
  • •K1 Pro supports N-Key Rollover over both wireless and wired connections.
OfficeKeychron K1 Pro
  • •K1 Pro offers QMK/VIA support for custom key remapping and shortcuts tailored to workflow.
  • •The K1 Pro's 80% tenkeyless layout includes a full row of function keys, which some office users may prefer.
  • •K1 Pro has a larger 2000mAh battery compared to the K3's 1550mAh.
ProgrammingKeychron K1 Pro
  • •K1 Pro's QMK firmware enables custom macros and complex key combinations for coding.
  • •The 87-key layout provides a dedicated function row without sacrificing desk space.
  • •The aluminum frame and double-shot PBT keycaps are specified by the vendor for long-term durability.
TravelKeychron K3
  • •The K3's 75% layout is physically smaller than the K1 Pro's 80% layout, as indicated by the layout sizes.
  • •The K3 is promoted by the vendor as one of the thinnest and lightest wireless mechanical keyboards.
  • •The K3 includes a dust cover in the box for added protection during transport.
ModdingKeychron K1 Pro
  • •K1 Pro clearly supports both QMK and VIA open-source firmware for deep customization.
  • •K1 Pro has a hot-swappable version compatible with Gateron low-profile mechanical switches, allowing switch changes without soldering.
  • •K1 Pro vendor description mentions a redesigned stabilizer for less wobble on large keys.
Content CreationKeychron K1 Pro
  • •K1 Pro's QMK/VIA support allows creation of complex macros and shortcuts for editing software.
  • •The 80% layout provides more keys for shortcuts without needing a full numpad.
  • •Full Mac/Win support with dedicated keycaps for both operating systems, as per vendor.

Frequently Asked Questions (FAQ)

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