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Head to head · Prices checked Oct 21, 2026

Jamesdonkey RS2 Guiqi vs Keychron J3 SE

Get the Jamesdonkey RS2 Guiqi for knob. Get the Keychron J3 SE for the 4,000 mAh battery.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Jamesdonkey RS2 Guiqi

Keychron J3 SE

  • Battery

    3,000 mAh

    4,000 mAh

  • Case material

    ABS, Plastic

    ABS

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Weight

    950 g

    1,145 g

KeebFinder scores

How we score
  • Jamesdonkey RS2 Guiqi
  • Keychron J3 SE
Performance
69
80
Build quality
64
68
Productivity
85
89
Customizability
77
86
Portability
58
57

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Jamesdonkey RS2 Guiqi

No owner reviews collected yet.

Keychron J3 SE

5.0

1 owner reviews

Praise
“I love the keyboard! Everything was as expected but the keys are even smoother than I could have hoped for. I love the color, it matches exactly what was displayed on the website. Setup was very easy once I actually read the manual. I like that it gives you…”
Nathalia N.· via Keychron

Full specs

Jamesdonkey RS2 Guiqi vs Keychron J3 SE specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

12 of 25 specs differ

Jamesdonkey RS2 Guiqi

Keychron J3 SE

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

3,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
ABS

Plate material

FR4
—

Keycaps

PBT
PBT

Weight

950 g
1,145 g

Dimensions

45 x 401 x 146 mm
43 x 406 x 139 mm

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$142Visit
  • WhatGeekCN

    Out of stock
    $142Visit
  • KeychronHK

    In stock
    $129Visit
  • AmazonGlobal

    Check price
    Visit

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