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Compare Jamesdonkey R3 TMR HE vs Keychron LemoKey P1 HE Differences Side by Side

This comparison is for buyers deciding between two hall effect magnetic switch keyboards at different priorities. The Jamesdonkey R3 TMR HE is a 65% wired-only board built around an 8K polling rate and rapid trigger for competitive gaming. The Keychron P1 HE is a heavier 75% wireless model with extensive software support and a knob. The decision is difficult because both offer hot-swappable magnetic switches, gasket mounts, and aluminum construction, but they diverge sharply on connectivity, layout, and core use case.

61
JAMESDONKEY R3 TMR Hall Effect CNC Rapid Trigger Keyboard
96
Lemokey P1 HE Wireless Magnetic Switch Custom Gaming Keyboard

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0.0 (0)
5.0 (3)
  • Has Magnetic switch options
  • Available in a 65% layout
  • Built with the ANSI layout standard
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 1112 g
  • Sized at 43 x 316 x 106 mm
  • Made with a Aluminum case
  • Features PBT, PC keycaps
  • Offers Yes, Rgb RGB lighting
  • Has Linear, Tactile, Clicky, Magnetic switch options
  • Available in a 75% layout
  • Built with the ANSI, ISO, ISO-DE layout standard
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Supports QMK firmware
  • Supports VIA configuration
  • Includes screw-in stabilizers
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 1630 g
  • Sized at 32 x 140 x 322 mm
  • Made with a Metal, Aluminum case
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 91.3
  • Build Quality: 59.6
  • Productivity: 53.6
  • Customizability: 56.7
  • Portability: 66
Scores
  • Performance: 93.3
  • Build Quality: 88.2
  • Productivity: 97.3
  • Customizability: 97.4
  • Portability: 81.6
Name
Jamesdonkey R3 TMR HE
Name
Keychron LemoKey P1 HE
Release year
2025
Release year
2025
Switch Options
Magnetic
Switch Options
Linear, Tactile, Clicky, Magnetic
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
65%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI, ISO, ISO-DE
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
8000 Hz
Polling Rate
1000 Hz
Battery capacity
-
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
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, North-face, South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Metal, Aluminum
Keycaps Material
PBT, PC
Keycaps Material
PBT
Dimensions
43 x 316 x 106 mm
Dimensions
32 x 140 x 322 mm
Weight
1112g
Weight
1630g
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Pros and Trade-offs

Your primary need dictates the choice. If your desk is dedicated to a single PC and your priority is squeezing out every millisecond of latency for competitive gaming, the Jamesdonkey R3 TMR HE's 8K wired focus is compelling. For virtually any other scenario, including multi-device use, office work, programming, or deep customization, the Keychron P1 HE's wireless versatility, superior layout, and robust software ecosystem make it the more adaptable and feature-rich keyboard.

Jamesdonkey R3 TMR HE

  • +Higher 8000 Hz polling rate for potentially lower latency in wired mode.
  • +More compact and lighter 65% aluminum chassis.
  • +Vendor claims a new TMR sensor for stable operation with reduced temperature drift.
  • +Includes unique themed PBT+PC dual-tone keycaps.
  • +Four-layered internal filling for sound dampening.
  • −Wired-only connectivity with no wireless option.
  • −65% layout lacks dedicated function row and navigation cluster.
  • −Web-based driver software may offer less customization than QMK/VIA.

Keychron LemoKey P1 HE

  • +Triple-mode wireless connectivity (Bluetooth, 2.4 GHz, wired).
  • +Extensive software support with QMK, VIA, and the Lemokey Launcher web app.
  • +75% layout includes function keys, arrows, and a navigation cluster.
  • +Includes a programmable aluminum rotary encoder (knob).
  • +Comes with screw-in stabilizers and detailed acoustic foam layers.
  • −Heavier at 1800g, making it less portable.
  • −Lower 1000 Hz polling rate compared to the R3's 8000 Hz.
  • −Higher price point than the Jamesdonkey model.

Which Keyboard Is Better for Your Needs?

The Keychron P1 HE wins in most productivity and customization-focused categories due to its wireless versatility, 75% layout, and extensive software support. The Jamesdonkey R3 TMR HE takes the lead specifically for dedicated, wired competitive gaming and is the more portable option. For modding and programming, the P1 HE's open-source firmware is a significant advantage, while the R3's lighter weight and smaller size benefit travel.

GamingJamesdonkey R3 TMR HE
  • •Higher 8000 Hz polling rate compared to 1000 Hz.
  • •Wired-only connection eliminates potential wireless latency.
  • •Vendor description highlights an 8K polling rate and 0.125ms response time as eSports-level.
OfficeKeychron LemoKey P1 HE
  • •Wireless connectivity (Bluetooth and 2.4 GHz) allows for a cleaner desk and device switching.
  • •75% layout retains function keys and navigation cluster for productivity shortcuts.
  • •Includes a programmable knob for volume or media control.
ProgrammingKeychron LemoKey P1 HE
  • •75% layout provides dedicated arrow keys and some navigation keys.
  • •QMK and VIA support allow for deep key remapping and macro programming.
  • •Wireless operation offers flexibility for different desk setups.
TravelJamesdonkey R3 TMR HE
  • •Smaller 65% form factor is more compact.
  • •Lighter weight at 1112g compared to 1800g.
  • •No internal battery simplifies travel logistics.
ModdingKeychron LemoKey P1 HE
  • •Explicit support for QMK and VIA open-source firmware.
  • •Available as a DIY kit/barebones option.
  • •Vendor description details multiple foam layers (acoustic, EPDM, PET) for sound tuning.
Content CreationKeychron LemoKey P1 HE
  • •Programmable knob can be mapped to timeline scrubbing or brush size.
  • •Extra macro column and keys facilitate shortcut workflows.
  • •Wireless operation reduces cable clutter on camera.

Frequently Asked Questions (FAQ)

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