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Compare Epomaker RT98 vs Keychron J3 SE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Epomaker RT98 and Keychron J3 SE and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

79
EPOMAKER RT98
80
Keychron J3 SE QMK Wireless Mechanical Keyboard

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5.0 (4)
0.0 (0)
  • Has Linear, Silent switch options
  • Available in a 98% layout
  • Offers Southpaw ergonomics
  • Includes a Yes display
  • Uses a Gasket Mount mounting style
  • Equipped with a 8000 mAh battery
  • Weighs about 1200 g
  • Sized at 45 x 390 x 150 mm
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Available in a 96% layout
  • Offers Normal ergonomics
  • Includes a No display
  • Supports QMK firmware
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1145 g
  • Sized at 43 x 406 x 139 mm
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 77.8
  • Build Quality: 71.6
  • Productivity: 83.1
  • Customizability: 78.2
  • Portability: 64.9
Scores
  • Performance: 80.7
  • Build Quality: 68.4
  • Productivity: 88.7
  • Customizability: 86.9
  • Portability: 57.4
Name
Epomaker RT98
Name
Keychron J3 SE
Release year
2026
Release year
2026
Switch Options
Linear, Silent
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
98%
Layout Size
96%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Southpaw
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, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
8000 mAh
Battery capacity
4000 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
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS
Case Material
ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
45 x 390 x 150 mm
Dimensions
43 x 406 x 139 mm
Weight
1200g
Weight
1145g
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