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Compare Fl·esports CMK98 vs Keychron K5 QMK V2 Differences Side by Side

This comparison is for buyers deciding between a compact full-size keyboard and an ultra-slim low-profile model. The Fl·esports CMK98 offers a 96% layout in a standard profile with PBT keycaps, while the Keychron K5 QMK V2 provides a 100% layout in a low-profile form factor with extensive firmware customization. The decision hinges on whether you prioritize a slimmer typing experience with deep software control or a more traditional, slightly smaller build with dedicated sound dampening.

71
FL·ESPORTS CMK98 96% Mechanical Keyboard
84
Keychron K5 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2

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0.0 (0)
5.0 (2)
  • Released in 2022
  • Has Linear, Clicky, Silent switch options
  • Available in a 96% layout
  • Built with the ANSI layout standard
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity
  • Weighs about 1100 g
  • Sized at 42 x 395 x 156 mm
  • Made with a Aluminum case
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Provides dedicated media keys
  • Supports QMK firmware
  • Supports VIA configuration
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Made with a ABS, Aluminum case
  • Features ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 68.5
  • Build Quality: 59.4
  • Productivity: 90.8
  • Customizability: 68.5
  • Portability: 52.7
Scores
  • Performance: 81.6
  • Build Quality: 78.4
  • Productivity: 80.2
  • Customizability: 89.7
  • Portability: 53.9
Name
Fl·esports CMK98
Name
Keychron K5 QMK V2
Release year
2022
Release year
2024
Switch Options
Linear, Clicky, Silent
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%, 98%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ISO-DE, ISO-Nordic, ISO-UK, 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, 2.4 GHz, Wired, Wireless,
Connection
Bluetooth, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
-
Battery capacity
2000 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
-
Mount Style
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
42 x 395 x 156 mm
Dimensions
-
Weight
1100g
Weight
-
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Pros and Trade-offs

Your primary need dictates the choice. If you want a thin keyboard for travel or a desk with deep, open-source programmability for macros and layers, the Keychron K5 QMK V2 is the clear option. If you prefer a more traditional typing height with a compact layout that still has a numpad, and value the material durability of PBT keycaps, the Fl·esports CMK98 is a compelling alternative. Consider the Keychron for its firmware ecosystem and the Fl·esports for its straightforward, feature-rich build.

Fl·esports CMK98

  • +Compact 96% layout includes a numpad in a smaller footprint.
  • +Features PBT keycaps, which are more resistant to shine and wear than ABS.
  • +Includes sound dampening with an ISSP Pad sandwich foam for a less hollow sound.
  • +Offers tri-mode connectivity with a dedicated 2.4 GHz wireless dongle.
  • +Comes with pre-lubed, plate-mounted stabilizers according to the vendor.
  • −Uses a non-standard 96% layout with a reduced right shift key, which may require adjustment.
  • −Lacks the advanced, open-source programmability of QMK/VIA, relying on proprietary software.
  • −Does not specify a polling rate in its provided specifications.

Keychron K5 QMK V2

  • +Features a low-profile design with switches stated to be 33% slimmer than standard.
  • +Offers extensive programmability via open-source QMK firmware and VIA support.
  • +Specifies a 1000 Hz polling rate in wired mode for responsive input.
  • +Includes multiple acoustic foam layers (IXPE, EPDM, latex) for improved sound and feel.
  • +Available in multiple ISO layouts (DE, Nordic, UK, Swiss) in addition to ANSI.
  • −Uses ABS keycaps, which are more prone to developing a shine over time.
  • −The hot-swappable version is limited to specific low-profile switches (Keychron Milk POM or Gateron).
  • −Does not include a 2.4 GHz wireless connection, offering only Bluetooth and wired modes.

Which Keyboard Is Better for Your Needs?

The Keychron K5 QMK V2 wins in categories demanding advanced customization and a slim form factor, such as programming, modding, and travel. Its QMK support and low-profile design are decisive. The Fl·esports CMK98 is a strong contender for content creation and general office use, offering a space-efficient layout with durable keycaps. For gaming, the Keychron's specified polling rate gives it an edge, though both are capable wireless boards.

GamingKeychron K5 QMK V2
  • •The Keychron K5 QMK V2 lists a 1000 Hz polling rate in wired mode, which the Fl·esports listing does not specify.
  • •Its low-profile switches and keycaps may allow for faster keypresses due to reduced travel.
  • •The manufacturer states its latency is hardly noticeable in competitive games.
OfficeTie
  • •Both offer tri-mode connectivity (wired, Bluetooth, 2.4GHz for CMK98; wired and Bluetooth for K5).
  • •Both are listed as compatible with Windows and macOS.
  • •The K5's low-profile design may be more ergonomic for some, while the CMK98's PBT keycaps resist shine.
ProgrammingKeychron K5 QMK V2
  • •The Keychron K5 QMK V2 supports QMK and VIA firmware for limitless key remapping and macros.
  • •Its 100% layout includes a full numpad, which the 96% CMK98 also has but in a more compact form.
  • •The web-based Keychron Launcher allows for configuration from any OS with a browser.
TravelKeychron K5 QMK V2
  • •The Keychron K5 QMK V2 is described as an 'ultra-slim' and 'one of the thinnest' keyboards.
  • •Its low-profile switches are stated to be 33% slimmer than conventional switches.
  • •While the CMK98 is wireless, the K5's lower profile generally makes it more packable.
ModdingKeychron K5 QMK V2
  • •The Keychron K5 QMK V2 supports QMK open-source firmware, allowing community-driven customization.
  • •Its hot-swappable version accepts Keychron Milk POM and Gateron low-profile switches.
  • •It features redesigned stabilizers and multiple acoustic foam layers (IXPE, EPDM, latex) for sound tuning.
Content CreationFl·esports CMK98
  • •The Fl·esports CMK98's 96% layout saves desk space while retaining the numpad for numerical input.
  • •Its PBT keycaps are more durable and resistant to wear compared to the K5's ABS keycaps.
  • •The inclusion of a 2.4 GHz wireless dongle provides a stable, low-latency connection alternative to Bluetooth.

Frequently Asked Questions (FAQ)

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