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Compare Jamesdonkey S2 vs Keychron K5 QMK V2 Differences Side by Side

This comparison is for users deciding between two popular wireless, low-profile mechanical keyboards. The Jamesdonkey S2 and Keychron K5 QMK V2 share core features like Bluetooth, wired modes, and slim designs, but diverge significantly in firmware support, switch options, and layout size. The decision hinges on whether you prioritize a programmable, mod-friendly platform or a slightly more portable, plug-and-play experience with a specific wireless mode.

JAMESDONKEY S2 Low Profile Wireless 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 2023
  • Has Tactile switch options
  • Available in a 96% layout
  • Built with the ANSI layout standard
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3000 mAh battery
  • Weighs about 600 g
  • Made with a Aluminum case
  • Features PBT keycaps
  • Offers Yes, White RGB lighting
  • Released in 2024
  • Has Linear, Tactile, Clicky switch options
  • Supports hot-swappable switches
  • Available in a 100% layout
  • Built with the ISO-DE, ISO-Nordic, ISO-UK, ISO, ANSI layout standard
  • Provides dedicated media keys
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • 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: 52.4
  • Build Quality: 56.2
  • Productivity: 61.4
  • Customizability: 46.9
  • Portability: 48.4
Scores
  • Performance: 81.8
  • Build Quality: 78.3
  • Productivity: 80.1
  • Customizability: 89.6
  • Portability: 53.9
Name
Jamesdonkey S2
Name
Keychron K5 QMK V2
Release year
2023
Release year
2024
Switch Options
Tactile
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
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
3000 mAh
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
 
White
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
-
Dimensions
-
Weight
600g
Weight
-
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Pros and Trade-offs

Your priority should guide this choice. If you want a keyboard you can deeply modify with firmware, macros, and different switches, the Keychron K5 QMK V2 is the clear platform. If you prefer a more straightforward, compact keyboard with a dedicated 2.4GHz dongle and a larger battery, and do not plan on modding, the Jamesdonkey S2 is a solid option. Consider the layout size difference, as the Keychron's full 100% layout includes a numpad the 96% Jamesdonkey does not.

Jamesdonkey S2

  • +Compact 96% layout with 101 keys saves space while retaining most functions.
  • +Includes a 2.4GHz wireless mode alongside Bluetooth and wired connectivity.
  • +Larger 3000mAh battery capacity for potentially longer wireless use.
  • +Features an aluminum alloy case and PBT keycaps for durability.
  • +Internal sound dampening with silicone padding and EVA foam, according to the vendor.
  • −Not hot-swappable, limiting easy switch customization.
  • −Only available with Gateron Brown tactile switches, no linear or clicky options.
  • −Lacks advanced programmability features like QMK or VIA support.

Keychron K5 QMK V2

  • +Offers extensive customization via QMK and VIA open-source firmware.
  • +Available in a hot-swappable version for tool-free switch changes.
  • +Provides a choice of switch types: linear, tactile, or clicky.
  • +Features a 1000 Hz polling rate in wired mode and N-Key Rollover.
  • +Vendor lists multiple internal foam layers (IXPE, EPDM, latex) for improved acoustics.
  • −Lacks a 2.4GHz wireless mode, relying solely on Bluetooth and wired connections.
  • −Smaller 2000mAh battery compared to the Jamesdonkey S2.
  • −Uses ABS keycaps which may develop shine over time faster than PBT.

Which Keyboard Is Better for Your Needs?

The Keychron K5 QMK V2 is the more versatile choice for users who value customization, whether for gaming latency, programming macros, or acoustic modding. It wins in most categories except Travel, where the Jamesdonkey S2's slightly smaller 96% footprint and larger battery give it an edge. For standard office use, both keyboards are equally capable with their wireless connectivity and low-profile designs.

GamingKeychron K5 QMK V2
  • •The Keychron K5 V2 lists a 1000 Hz polling rate in wired mode, which can reduce latency.
  • •Its vendor description mentions N-Key Rollover is supported in both wireless and wired modes.
  • •It offers a choice of linear, tactile, or clicky switches to match gaming preferences.
OfficeTie
  • •Both support Bluetooth and wired connections for multi-device flexibility.
  • •Both are listed with Mac and Windows support.
  • •Both feature low-profile designs which the vendor pages describe as ergonomic.
ProgrammingKeychron K5 QMK V2
  • •The Keychron K5 V2 supports QMK and VIA firmware for deep key remapping and macro creation.
  • •Its vendor page mentions a 100% layout with 108 keys, providing a dedicated numpad.
  • •It offers a hot-swappable option for easily changing switch feel without soldering.
TravelJamesdonkey S2
  • •The Jamesdonkey S2 uses a more compact 96% layout (101 keys) which saves desk space.
  • •It has a larger 3000mAh battery compared to the Keychron's 2000mAh.
  • •It includes a 2.4GHz wireless mode, which can be more reliable than Bluetooth in some environments.
ModdingKeychron K5 QMK V2
  • •The Keychron K5 V2 offers a hot-swappable version for easy switch changes.
  • •It supports open-source QMK and VIA firmware for extensive software customization.
  • •Its vendor description details multiple internal foam layers (IXPE, EPDM, latex) for acoustic tuning.
Content CreationKeychron K5 QMK V2
  • •The Keychron's QMK/VIA support allows for complex macros and shortcuts for editing software.
  • •It features multimedia keys, as listed in its specifications.
  • •The full 100% layout includes a numpad for numerical data entry.

Frequently Asked Questions (FAQ)

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