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Head to head · Prices checked Oct 23, 2026

Epomaker Split70 vs Jamesdonkey RS2 4.0

Get the Epomaker Split70 for via. Get the Jamesdonkey RS2 4.0 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.

Epomaker Split70

Jamesdonkey RS2 4.0

  • Battery

    3,000 mAh

    4,000 mAh

  • Ergonomics

    Split

    Standard

  • Case material

    ABS

    Aluminum

  • Weight

    890 g

    1,150 g

  • VIA

    Yes

    No

KeebFinder scores

How we score
  • Epomaker Split70
  • Jamesdonkey RS2 4.0
Performance
78
58
Build quality
77
71
Productivity
93
93
Customizability
91
82
Portability
89
53

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Knob
  • QMK
See every spec side by side

From real owners

What owners say

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

Epomaker Split70

4.0

15 owner reviews

Praise
“Check out my full review - https://dezdoes.com/epomaker-split-70-the-learning-curve-and-triumph-of-split-ergonomics/”
Ben H.Verified buyer· via Epomaker
Critique
“i bet its a great product but i never got it because there was an issue with the destination info.. im kinda down eighty bucks and a keyboard.. im working my butt off so i can try to get a new one”
Joshua Y.Verified buyer· via Epomaker

Jamesdonkey RS2 4.0

No owner reviews collected yet.

Full specs

Epomaker Split70 vs Jamesdonkey RS2 4.0 specs

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

9 of 26 specs differ

Epomaker Split70

Jamesdonkey RS2 4.0

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

—
96%

Layout standard

ANSI
ANSI

Ergonomics

Split
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

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
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

890 g
1,150 g

Dimensions

40 x 118 x 372 mm
34 x 405 x 138 mm

Typing angle

7°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $115Visit
  • AmazonGlobal

    Check price
    Visit
  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • WhatGeekCN

    Out of stock
    $108Visit

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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