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Compare Keychron K2 Pro vs Redragon K681MG Pro Differences Side by Side

This comparison is for buyers deciding between two popular 75% wireless mechanical keyboards at a similar price. The choice is difficult because both offer hot-swap sockets, sound dampening, and multi-device connectivity. The Keychron K2 Pro stands out with its extensive firmware support and layout options, while the Redragon K681MG Pro offers a gasket mount design and a dedicated 2.4 GHz dongle.

94
Keychron K2 Pro QMK/VIA Wireless Mechanical Keyboard
77
WhatGeek x Redragon K681 Tri-mode Mechanical Keyboard

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4.9 (15)
0.0 (0)
  • Released in 2022
  • Has Linear, Tactile, Clicky switch options
  • Built with the ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1070 g
  • Sized at 25 x 317 x 122 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
  • Released in 2024
  • Has Linear switch options
  • Built with the ANSI layout standard
  • Comes with a knob
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Weighs about 858 g
  • Sized at 43 x 335 x 140 mm
  • Made with a Aluminum case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb RGB lighting
Scores
  • Performance: 81.6
  • Build Quality: 89.6
  • Productivity: 94.8
  • Customizability: 97.4
  • Portability: 80.1
Scores
  • Performance: 78.9
  • Build Quality: 72.6
  • Productivity: 83.7
  • Customizability: 73.8
  • Portability: 77.5
Name
Keychron K2 Pro
Name
Redragon K681MG Pro
Release year
2022
Release year
2024
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, JIS, ANSI, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK
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, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
4000 mAh
Battery capacity
-
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
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face, White, White South-face
Backlight
 
Rgb
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
Aluminum
Keycaps Material
ABS, PBT
Keycaps Material
PBT, ABS
Dimensions
25 x 317 x 122 mm
Dimensions
43 x 335 x 140 mm
Weight
1070g
Weight
858g
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Pros and Trade-offs

Your priority should guide this decision. For a keyboard you can program extensively, adapt to any regional layout, and modify down to the firmware, the Keychron K2 Pro is the superior tool. If you value a specific typing feel from a gasket mount, need reliable 2.4 GHz wireless, and want a control knob for media, the Redragon K681MG Pro offers compelling features at a competitive price.

Keychron K2 Pro

  • +Open-source QMK and VIA firmware support for deep customization.
  • +Supports a wide range of ISO and ANSI layouts including UK, German, French, and Spanish.
  • +Includes screw-in PCB stabilizers and sound-absorbing foam in hot-swap versions.
  • +South-facing RGB LEDs prevent interference with Cherry-profile keycaps.
  • +Available as a barebones kit for custom builds.
  • −Heavier at 1070g, which may affect portability.
  • −Lacks a dedicated 2.4 GHz wireless connection, relying on Bluetooth and wired.
  • −Some fully assembled versions are not hot-swappable and lack sound-dampening foam.

Redragon K681MG Pro

  • +Gasket mount structure designed for a softer, more flexible typing feel.
  • +Includes a 2.4 GHz wireless dongle in addition to Bluetooth and wired connectivity.
  • +Features a multi-function knob for volume and backlight control.
  • +Lighter weight of 858g.
  • +Vendor lists a 5-layer filling with Poron and silicone pads for sound dampening.
  • −Only available in ANSI layout, with no ISO options mentioned.
  • −Switch options are limited to pre-lubed linear switches.
  • −No mention of open-source firmware like QMK or VIA for remapping.
  • −Lacks detailed specifications for polling rate or Bluetooth version.

Which Keyboard Is Better for Your Needs?

The Keychron K2 Pro is the clear choice for programmers and modders due to its QMK/VIA support and barebones option. Gamers may also lean towards it for its confirmed polling rate. The Redragon K681MG Pro wins for travel due to its lower weight and for content creation with its included control knob. Office use is a tie, with each offering different conveniences like layout support versus a physical knob.

GamingKeychron K2 Pro
  • •The Keychron K2 Pro has a specified 1000 Hz polling rate.
  • •Its south-facing RGB LEDs avoid interference with Cherry-profile keycaps, a common choice for gamers.
  • •The vendor page mentions a stable Bluetooth 5.1 connection for wireless gaming.
OfficeTie
  • •Both keyboards offer Bluetooth and wired connectivity for multi-device use.
  • •Both include Mac and Windows support and multimedia keys.
  • •The Keychron K2 Pro supports more international ISO layouts, while the Redragon K681MG Pro includes a volume knob for quick adjustments.
ProgrammingKeychron K2 Pro
  • •The Keychron K2 Pro supports QMK and VIA firmware for unlimited key remapping and macro creation.
  • •It offers a wider selection of switch types including tactile and clicky options, which some programmers prefer.
  • •Its 75% layout with dedicated arrow keys saves desk space while maintaining essential keys.
TravelRedragon K681MG Pro
  • •The Redragon K681MG Pro is lighter at 858g compared to the K2 Pro's 1070g.
  • •It has a slightly smaller footprint (335mm x 140mm vs 317mm x 122mm, but is thicker).
  • •It includes a 2.4 GHz wireless dongle for reliable connectivity where Bluetooth may be congested.
ModdingKeychron K2 Pro
  • •The Keychron K2 Pro is explicitly compatible with QMK and VIA for deep firmware customization.
  • •Its vendor description details screw-in PCB stabilizers and support for both 3-pin and 5-pin MX switches.
  • •It is available in a barebones kit version without switches or keycaps.
Content CreationRedragon K681MG Pro
  • •The Redragon K681MG Pro features a multi-function knob for volume control and media playback.
  • •Its gasket mount design, per the vendor, aims for a softer, more consistent typing feel during long sessions.
  • •It offers vibrant RGB backlighting with 15 preset modes for streamer setups.

Frequently Asked Questions (FAQ)

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