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Compare Epomaker G84 HE vs Keychron K3 QMK V3 Differences Side by Side

This comparison is for buyers deciding between two feature-rich 75% wireless keyboards. The Epomaker G84 HE is built for gamers with high-speed magnetic switches, while the Keychron K3 QMK V3 prioritizes a slim profile and open-source programmability. The decision is difficult because both offer hot-swappable switches, multi-device connectivity, and RGB lighting, but their core philosophies target different primary users.

69
EPOMAKER G84 HE
77
Keychron K3 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

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4.9 (19)
0.0 (0)
  • Released in 2025
  • Has Linear, Magnetic switch options
  • Available in a 80% layout
  • Built with the ANSI layout standard
  • Enables rapid trigger functionality
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 8000 Hz polling rate
  • Equipped with a 8000 mAh battery
  • Weighs about 1000 g
  • Sized at 42 x 347 x 146 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Released in 2024
  • Has Tactile, Linear switch options
  • Features a low-profile design
  • Available in a 75% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, ANSI layout standard
  • Provides dedicated media keys
  • Supports QMK firmware
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • 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 ABS keycaps
Scores
  • Performance: 97.7
  • Build Quality: 60.6
  • Productivity: 76.4
  • Customizability: 59.8
  • Portability: 85.8
Scores
  • Performance: 84.7
  • Build Quality: 71.2
  • Productivity: 73.9
  • Customizability: 79.1
  • Portability: 77.7
Name
Epomaker G84 HE
Name
Keychron K3 QMK V3
Release year
2025
Release year
2024
Switch Options
Linear, Magnetic
Switch Options
Tactile, Linear
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, 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
8000 Hz
Polling Rate
1000 Hz
Battery capacity
8000 mAh
Battery capacity
1550 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
Gasket Mount
Mount Style
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
ABS
Case Material
ABS, Aluminum
Keycaps Material
PBT
Keycaps Material
ABS
Dimensions
42 x 347 x 146 mm
Dimensions
19 x 306 x 116 mm
Weight
1000g
Weight
540g
*Something incorrect or missing? Please
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Pros and Trade-offs

Your primary use case dictates the winner. Gamers needing the fastest response and adjustable triggers should choose the Epomaker G84 HE. Typists, programmers, and travelers who value a slim profile, deep programmability with QMK, and regional layout support will prefer the Keychron K3 QMK V3. Both are competent wireless boards, but they excel in different arenas.

Epomaker G84 HE

  • +High 8000 Hz polling rate and 0.125ms latency in wired/2.4GHz mode for gaming.
  • +Hall effect magnetic switches with software-adjustable actuation travel.
  • +Large 8000mAh battery capacity for extended wireless use.
  • +Gasket mount construction with multiple foam layers (PORON, IXPE, silicone) for sound dampening.
  • +Includes gaming-focused features like rapid trigger, SOCD, and DKS.
  • −Heavier and larger than the Keychron, at 1000g and 347 x 146 mm.
  • −Uses a standard profile, which is taller than a low-profile design.
  • −Case material is ABS plastic, without an aluminum frame option.
  • −Software customization is via a proprietary driver, not open-source QMK.

Keychron K3 QMK V3

  • +Ultra-slim low-profile design with a height of 19mm and weight of 540g.
  • +QMK firmware support enables extensive, open-source key remapping via a web app.
  • +Available in multiple ISO layouts (DE, UK, Nordic, etc.) for regional preferences.
  • +Frame combines ABS with aluminum for a sturdier build.
  • +Manufacturer lists enhanced acoustic foams (IXPE, EPDM, latex) for typing feel.
  • −Lower 1000 Hz polling rate, which is standard but not gaming-optimized.
  • −Smaller 1550mAh battery.
  • −Hot-swap socket only compatible with specific Gateron/Keychron low-profile mechanical switches.
  • −Keycaps are made of ABS, which may develop shine over time more quickly than PBT.

Which Keyboard Is Better for Your Needs?

The Epomaker G84 HE is the clear choice for gaming due to its high polling rate and adjustable Hall effect switches. The Keychron K3 QMK V3 wins for office use, programming, and travel, thanks to its low-profile ergonomics, QMK support, and portability. For modding and content creation, the boards tie, offering different paths for hardware tinkering and similar compact layouts for a clean setup.

GamingEpomaker G84 HE
  • •Higher 8000 Hz polling rate for wired/2.4GHz connections.
  • •Hall effect switches with adjustable actuation from 0.1mm to 3.3mm and rapid trigger support.
  • •Features like SOCD cleaning and DKS are listed for competitive gaming.
OfficeKeychron K3 QMK V3
  • •Low-profile design and lighter weight (540g) may be more comfortable for extended typing.
  • •Offers multiple ISO layout options (UK, German, Swiss, etc.) for international users.
  • •Manufacturer claims up to 124 hours of wireless battery life with backlight off.
ProgrammingKeychron K3 QMK V3
  • •QMK firmware support allows for deep, open-source key remapping and macro programming.
  • •Keychron Launcher web app provides cross-platform customization without dedicated software.
  • •Compatible with macOS, Windows, and Linux systems.
TravelKeychron K3 QMK V3
  • •Significantly thinner and lighter (540g vs 1000g).
  • •Ultra-slim low-profile design is more portable.
  • •Smaller physical dimensions (306 x 116 mm vs 347 x 146 mm).
ModdingTie
  • •Both are hot-swappable, though they support different switch types (magnetic vs low-profile mechanical).
  • •Epomaker G84 HE has a gasket mount and multiple sound-dampening foam layers.
  • •Keychron K3 QMK V3 has QMK firmware for extensive software-level customization.
Content CreationTie
  • •Both have 75% layouts saving desk space for peripherals.
  • •Both offer tri-mode connectivity for switching between devices.
  • •Both feature RGB backlighting with north-facing LEDs.

Frequently Asked Questions (FAQ)

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