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Head to head · Prices checked Nov 7, 2026

Jamesdonkey RS2 3.0 vs Yunzii IF99

Get the Yunzii IF99 for the 8,000 mAh battery and qmk.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey RS2 3.0

Build quality in the top 35% of 96% boards under $200.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Yunzii IF99

Battery

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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 3.0

Yunzii IF99

  • Layout size

    96%

    95%

  • Battery

    4,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Weight

    1,140 g

    1,238.5 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Jamesdonkey RS2 3.0
  • Yunzii IF99
Performance
50
82
Build quality
71
80
Productivity
57
89
Customizability
59
88
Portability
52
63

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Display: Yes
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey RS2 3.0 vs Yunzii IF99 specs

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

11 of 22 specs differ

Jamesdonkey RS2 3.0

Yunzii IF99

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

96%
95%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
8,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

Aluminum
—

Keycaps

PBT
PBT

Weight

1,140 g
1,238.5 g

Dimensions

34 x 138 x 405 mm
46 x 385 x 143 mm

Backlight

None
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2025

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.

Yunzii IF992 stores

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