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Compare Redragon DHARMA K740 vs EISA K686 Pro Differences Side by Side

This comparison is for buyers deciding between two similarly priced Redragon 98-key keyboards. The choice hinges on a core trade-off: the Dharma K740 offers a solid aluminum build and a confirmed high polling rate for wired-only use, while the Eisa K686 Pro provides tri-mode wireless connectivity and a gasket-mounted design for a potentially softer typing feel. Both share key features like hot-swap sockets, PBT keycaps, and control knobs, making the decision about prioritizing material and latency versus connection freedom and sound dampening.

70
DHARMA K740
71
EISA K686 PRO

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  • Released in 2025
  • Features N-key rollover
  • Uses a Bottom Mount mounting style
  • Supports Wired, Wired only connectivity
  • Runs at a 1000 Hz polling rate
  • Weighs about 1150 g
  • Sized at 42 x 378 x 129 mm
  • Made with a Aluminum case
  • Offers Yes, Rgb RGB lighting
  • Released in 2024
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Weighs about 1060 g
  • Sized at 90 x 430 x 90 mm
  • Made with a Plastic case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 79.4
  • Build Quality: 64.3
  • Productivity: 74.1
  • Customizability: 68.6
  • Portability: 45.4
Scores
  • Performance: 65.4
  • Build Quality: 63.2
  • Productivity: 82.9
  • Customizability: 66.9
  • Portability: 51.7
Name
Redragon DHARMA K740
Name
Redragon EISA K686 Pro
Release year
2025
Release year
2024
Switch Options
Linear
Switch Options
Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
90%
Layout Size
90%
Layout Standard
ANSI
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
Wired, Wired only
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
-
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
Bottom Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
42 x 378 x 129 mm
Dimensions
90 x 430 x 90 mm
Weight
1150g
Weight
1060g
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Pros and Trade-offs

Your priority dictates the choice. If you need a single, stationary gaming setup where low latency and a solid build are paramount, the wired Dharma K740 with its aluminum case is the clear pick. If you value the freedom to connect to multiple devices wirelessly, prefer a potentially quieter and softer typing experience from a gasket mount, or plan to mod the internal sound profile, the Eisa K686 Pro offers significantly more versatility for a similar price.

Redragon DHARMA K740

  • +Solid aluminum case construction for premium feel and stability.
  • +Confirmed 1000 Hz polling rate for responsive wired gaming.
  • +Includes four spare Dragon Chant linear switches in the package.
  • +Wired connection ensures consistent performance with no battery concerns.
  • −Wired-only connectivity limits device switching and cable management.
  • −Uses a traditional bottom mount instead of a gasket mount.
  • −Lacks the internal sound dampening foams listed for the Eisa model.

Redragon EISA K686 Pro

  • +Tri-mode connectivity with Bluetooth, 2.4 GHz wireless, and USB-C wired.
  • +Gasket mount design with silicone gasket for a softer typing feel.
  • +Includes multiple sound dampening materials: a PO pad and two foams.
  • +Vendor states hot-swap socket supports both 3-pin and 5-pin switches.
  • −Plastic case may feel less premium than the K740's aluminum.
  • −No polling rate is specified for its wireless or wired modes.
  • −Slightly larger footprint in one dimension (430mm vs 378mm in length).

Which Keyboard Is Better for Your Needs?

The Eisa K686 Pro wins in more categories, particularly those valuing flexibility and a refined typing experience. Its wireless modes make it superior for office use, travel, and content creation, while its gasket mount and sound-dampening construction appeal to modders. The Dharma K740's primary advantage is for dedicated gaming, thanks to its confirmed high polling rate and stable wired connection. For programming, the shared layout and hot-swap features make them equally viable.

GamingRedragon DHARMA K740
  • •The Dharma K740 has a specified 1000 Hz polling rate for lower latency.
  • •Its solid aluminum base may provide more stability during intense use.
  • •It is a wired-only connection, eliminating potential wireless interference.
OfficeRedragon EISA K686 Pro
  • •The Eisa K686 Pro offers Bluetooth and 2.4 GHz wireless for connecting to multiple devices like laptops and tablets.
  • •Its listing includes sound dampening pads and foams for a quieter typing experience.
  • •It features a system switch button for toggling between Windows and Mac layouts.
ProgrammingTie
  • •Both keyboards use the same 98-key compact layout, retaining the numpad.
  • •Both are hot-swappable, allowing for switch customization based on typing preference.
  • •Both include a control knob for quick media and volume adjustments.
TravelRedragon EISA K686 Pro
  • •The Eisa K686 Pro is wireless, removing the need to manage a cable when moving.
  • •It is slightly lighter at 1060g compared to the K740's 1150g.
  • •Its plastic case may be less prone to cosmetic damage than the K740's aluminum in a bag.
ModdingRedragon EISA K686 Pro
  • •The Eisa K686 Pro uses a gasket mount design, which is often preferred for a softer, more flexible typing feel.
  • •Its vendor description specifies compatibility with both 3-pin and 5-pin switches.
  • •It includes multiple internal dampening materials like a PO sound-absorbing pad and silicone gasket for sound customization.
Content CreationRedragon EISA K686 Pro
  • •Wireless connectivity allows for a cleaner desk setup, beneficial for video or streaming.
  • •The ability to switch between a PC and another device via Bluetooth can streamline workflows.
  • •The included control knob on both boards provides quick access to media playback and volume.

Frequently Asked Questions (FAQ)

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