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Head to head · Prices checked Oct 25, 2026

Epomaker TH99 Pro vs Jamesdonkey RS2 4.0

Get the Epomaker TH99 Pro for the 10,000 mAh battery.

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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 TH99 Pro

Jamesdonkey RS2 4.0

  • Battery

    10,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Switch options

    Linear, Silent

    Linear

  • Display

    Yes

    None

    A case display rather than a typing feature

  • Weight

    1,120 g

    1,150 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Epomaker TH99 Pro
  • Jamesdonkey RS2 4.0
Performance
78
58
Build quality
69
71
Productivity
82
93
Customizability
73
82
Portability
62
53

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Epomaker TH99 Pro vs Jamesdonkey RS2 4.0 specs

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

11 of 25 specs differ

Epomaker TH99 Pro

Jamesdonkey RS2 4.0

Typing & switches

Switch options

Linear, Silent
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

Yes
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

10,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,120 g
1,150 g

Dimensions

47 x 410 x 145 mm
34 x 405 x 138 mm

Typing angle

3°
—

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2026
2024

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

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