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Compare Keychron K8 Pro vs K9 Pro Differences Side by Side

This comparison is for buyers deciding between Keychron's two Pro-series wireless keyboards. The choice hinges on whether you prioritize a more complete tenkeyless layout or an ultra-portable, slim form factor. Both share premium features like QMK/VIA programmability and hot-swap options, making the decision a matter of layout preference and typing profile.

94
Keychron K8 Pro QMK/VIA Wireless Mechanical Keyboard
83
Keychron K9 Pro QMK/VIA Wireless Custom Mechanical Keyboard

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3.3 (56)
5.0 (2)
  • Released in 2022
  • Available in a 80% layout
  • Built with the ANSI, ISO, JIS, ISO-UK, ISO-DE, ISO-SW, ISO-FR, ISO-ES, ISO-Nordic layout standard
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Equipped with a 4000 mAh battery
  • Weighs about 1146 g
  • Sized at 35 x 355 x 123 mm
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
  • Released in 2023
  • Features a low-profile design
  • Available in a 60% layout
  • Built with the ANSI layout standard
  • Equipped with a 1550 mAh battery
  • Weighs about 410 g
  • Sized at 20 x 287 x 98 mm
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 81.4
  • Build Quality: 89.4
  • Productivity: 94.6
  • Customizability: 97.2
  • Portability: 73.1
Scores
  • Performance: 74.3
  • Build Quality: 80
  • Productivity: 73.6
  • Customizability: 89.4
  • Portability: 85.5
Name
Keychron K8 Pro
Name
Keychron K9 Pro
Release year
2022
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
60%
Layout Standard
ANSI, ISO, JIS, ISO-UK, ISO-DE, ISO-SW, ISO-FR, ISO-ES, ISO-Nordic
Layout Standard
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
4000 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
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, South-face, White South-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT, ABS
Keycaps Material
PBT
Dimensions
35 x 355 x 123 mm
Dimensions
20 x 287 x 98 mm
Weight
1146g
Weight
410g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary need dictates the choice. If you require a full set of arrow and navigation keys for work or gaming and want maximum modding flexibility, the Keychron K8 Pro is the logical pick. If your priority is a keyboard that easily slips into a bag for travel or you prefer a low-profile typing experience, the Keychron K9 Pro's compact design is its winning feature. Both deliver on core Pro-series promises of programmability and wireless connectivity.

Keychron K8 Pro

  • +Tenkeyless (80%) layout retains arrow keys, function row, and navigation cluster.
  • +Hot-swap version supports a wide range of 3-pin and 5-pin MX-style switches.
  • +Includes sound-absorbing foam and a silicone dampening pad in hot-swap models.
  • +Features screw-in PCB stabilizers for a more stable typing feel.
  • +South-facing RGB lighting avoids interference with Cherry-profile keycaps.
  • −Heavier and larger (1146g, 355mm wide) than the K9 Pro, less portable.
  • −Some fully assembled versions are not hot-swappable and lack sound-dampening foam.
  • −Only available with standard profile switches and keycaps.

Keychron K9 Pro

  • +Extremely portable 60% layout, lightweight (410g), and ultra-slim low-profile design.
  • +Low-profile Gateron mechanical switches offer a distinct, shorter travel typing feel.
  • +North-facing RGB lighting on its keycaps.
  • +Maintains QMK/VIA programmability and hot-swap options in a compact form.
  • −60% layout lacks dedicated arrow keys, function row, and navigation cluster.
  • −Hot-swap compatibility is limited to Gateron low-profile mechanical switches only.
  • −Smaller 1550mAh battery compared to the K8 Pro's 4000mAh capacity.
  • −Uses a tray mount style, which may offer a different typing feel than other mounting styles.

Which Keyboard Is Better for Your Needs?

The Keychron K8 Pro is the more versatile choice for stationary use cases like office work, programming, and gaming, thanks to its fuller layout and standard switch compatibility. The Keychron K9 Pro excels specifically in portability, with its lightweight 60% form factor and low-profile design being decisive for travel. For modding, the K8 Pro offers a more open ecosystem for switch and stabilizer customization.

GamingKeychron K8 Pro
  • •The K8 Pro's TKL layout retains dedicated arrow and navigation keys useful for in-game controls.
  • •Both have a 1000 Hz polling rate in wired mode for responsive input.
  • •The K8 Pro's south-facing RGB, according to its listing, avoids interference with Cherry-profile keycaps.
OfficeKeychron K8 Pro
  • •The K8 Pro's 80% layout includes function row and navigation cluster for productivity shortcuts.
  • •It supports a wide array of ISO layouts (UK, German, Nordic, etc.) for international users.
  • •Its larger 4000mAh battery may require less frequent charging than the K9 Pro's 1550mAh battery.
ProgrammingKeychron K8 Pro
  • •The dedicated arrow keys and navigation cluster on the K8 Pro are beneficial for code editing.
  • •It offers extensive layout compatibility, including JIS and multiple ISO standards.
  • •The standard keycap profile may be preferred for touch typing over low-profile keys.
TravelKeychron K9 Pro
  • •The K9 Pro is significantly lighter (410g vs 1146g) and more compact (60% vs 80%).
  • •Its low-profile design is 31% slimmer than standard switches, as noted by Keychron.
  • •The 3° typing angle and slim form factor make it easier to pack.
ModdingKeychron K8 Pro
  • •The K8 Pro's hot-swap version supports both 3-pin and 5-pin MX-style switches, offering broader compatibility.
  • •It includes sound-dampening foam and a silicone pad in its hot-swap version, according to the vendor page.
  • •It features screw-in PCB stabilizers, which are favored for modding over plate-mounted ones.
Content CreationKeychron K8 Pro
  • •The TKL layout provides dedicated media keys for controlling playback and volume.
  • •The larger layout may accommodate macro key mapping more comfortably for editing software shortcuts.
  • •The adjustable typing angles (3.5°, 7.5°, 10.5°) on the K8 Pro can improve ergonomic comfort during long sessions.

Frequently Asked Questions (FAQ)

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