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Compare Keychron K3 V3 vs K8 Differences Side by Side

This comparison is for buyers deciding between Keychron's modern low-profile design and their classic tenkeyless form factor. The K3 V3 offers a slimmer, 75% layout with advanced QMK programming, while the K8 provides a familiar 80% TKL layout at a lower cost. The decision hinges on whether you prioritize a sleek, customizable typing experience or a budget-friendly, full-featured workhorse.

83
Keychron K3 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
68
Keychron K8 Wireless Mechanical Keyboard

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0.0 (0)
4.8 (1554)
  • Released in 2024
  • Features a low-profile design
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Uses a Top Mount mounting style
  • Runs at a 1000 Hz polling rate
  • Equipped with a 1550 mAh battery
  • Weighs about 540 g
  • Sized at 19 x 306 x 116 mm
  • Made with a ABS, Aluminum case
  • Features PBT, ABS keycaps
  • Released in 2020
  • Available in a 80% layout
  • Built with the ANSI, ISO, JIS, ISO-DE, ISO-Nordic, ISO-UK, ISO-ES layout standard
  • Connects via USB-C
  • Uses a Tray Mount mounting style
  • Equipped with a 4000 mAh battery
  • Made with a Aluminum, Plastic case
  • Features ABS keycaps
Scores
  • Performance: 82
  • Build Quality: 81.7
  • Productivity: 70.3
  • Customizability: 89.9
  • Portability: 74.7
Scores
  • Performance: 61.1
  • Build Quality: 66.6
  • Productivity: 65.7
  • Customizability: 67.4
  • Portability: 73.3
Name
Keychron K3 V3
Name
Keychron K8
Release year
2024
Release year
2020
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
ANSI, ISO, ISO-UK, ISO-DE, ISO-SW, ISO-Nordic
Layout Standard
ANSI, ISO, JIS, ISO-DE, ISO-Nordic, ISO-UK, ISO-ES
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
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
Top Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
Aluminum, Plastic
Keycaps Material
PBT, ABS
Keycaps Material
ABS
Dimensions
19 x 306 x 116 mm
Dimensions
-
Weight
540g
Weight
-
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Pros and Trade-offs

Select the Keychron K3 V3 if your budget allows and you value a sleek, modern keyboard with extensive programmability, a premium acoustic build, and low-latency performance. Opt for the Keychron K8 if you need a reliable, budget-friendly wireless keyboard with a classic TKL layout and exceptional battery life, and do not require deep firmware customization.

Keychron K3 V3

  • +Advanced QMK and VIA firmware support for deep key remapping and macros via a web app.
  • +Low-profile design with Keychron Milk POM switches, described as 33% slimmer than standard switches.
  • +Includes multiple acoustic foam layers (IXPE, EPDM, latex) for a tuned typing sound.
  • +Offers a 1000Hz polling rate in wired mode for responsive input.
  • +Three adjustable typing angles (2.5°, 4.2°, 6.5°) for ergonomic support.
  • −Has a smaller 1550mAh battery compared to the K8's large capacity.
  • −Low-profile keycap and switch compatibility is more limited, currently to specific Keychron or Gateron low-profile switches.
  • −Generally positioned at a higher price point than the K8.

Keychron K8

  • +Features a very large 4000mAh battery, with the non-backlit version rated for up to two months of use.
  • +Available at a more affordable price point.
  • +Hot-swappable version supports a wide range of standard MX-style 3-pin and 5-pin switches.
  • +Traditional TKL (80%) layout retains arrow keys and function row in a familiar format.
  • −Lacks advanced programmability features like QMK or VIA support.
  • −Uses a tray mount construction, which may offer a less consistent typing feel than other mounts.
  • −Keycaps are listed as ABS material only, which may show shine over time more quickly than PBT.

Which Keyboard Is Better for Your Needs?

The K3 V3 is the clear choice for gamers, programmers, travelers, and modders due to its high polling rate, QMK support, compact form, and advanced acoustics. The K8 wins for office use primarily because of its outstanding battery life and lower cost. For content creation, both offer useful but different shortcut features, making it a tie. Your primary task will dictate the winner.

GamingKeychron K3 V3
  • •The K3 V3 has a specified 1000Hz polling rate in wired mode for lower latency.
  • •Its low-profile switches and compact 75% layout can free up more desk space for mouse movement.
  • •The manufacturer states its latency is hardly noticeable in competitive games.
OfficeKeychron K8
  • •The K8's non-backlit version is listed with a battery life of up to two months, reducing charging frequency.
  • •Its 80% TKL layout retains dedicated arrow and navigation keys without a full numpad.
  • •It is available at a lower price point, making it a cost-effective office solution.
ProgrammingKeychron K3 V3
  • •The K3 V3 supports QMK and VIA for limitless key remapping and macro creation, a boon for coding shortcuts.
  • •Its 75% layout is compact but keeps essential keys like arrows and function row.
  • •It offers multiple ISO layout options (UK, DE, Swiss, Nordic) for international programmers.
TravelKeychron K3 V3
  • •The K3 V3 is an ultra-slim, low-profile design, weighing 540g and with a 3° typing angle for easier packing.
  • •Its 75% layout is more compact than the K8's 80% TKL layout.
  • •It supports Bluetooth 5.2 for wireless connectivity on the go.
ModdingKeychron K3 V3
  • •The K3 V3 features QMK/VIA support, an open-source firmware for deep customization.
  • •It includes multiple foam layers (IXPE, EPDM, latex) for acoustic tuning from the factory.
  • •It uses a top mount/PCB mount style, which can offer a different typing feel compared to the K8's tray mount.
Content CreationTie
  • •The K3 V3 offers extensive macro programming via QMK/Launcher for editing software shortcuts.
  • •The K8 provides a dedicated screenshot key and Siri/Cortana key for quick media controls.
  • •Both are hot-swappable, allowing switch changes to suit typing feel for long sessions.

Frequently Asked Questions (FAQ)

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