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Head to head · Prices checked Nov 11, 2026

Realforce Topre RT1 Numpad vs Yunzii C21

Get the Yunzii C21 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Realforce Topre RT1 Numpad

Build quality in the bottom 10% of Numpad boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Yunzii C21

Hot-swappable

Build quality in the bottom 50% of Numpad boards under $100.

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.

Realforce Topre RT1 Numpad

Yunzii C21

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Backlight

    None

    RGB, south-facing

    RGB for looks and low light rather than speed

  • Released

    2025

    2026

KeebFinder scores

How we score
  • Realforce Topre RT1 Numpad
  • Yunzii C21
Performance
51
69
Build quality
42
62
Productivity
46
58
Customizability
43
66
Portability
66
88

What they share

  • Layout size: Numpad
  • Keycaps: PBT
See every spec side by side

Full specs

Realforce Topre RT1 Numpad vs Yunzii C21 specs

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

6 of 19 specs differ

Realforce Topre RT1 Numpad

Yunzii C21

Typing & switches

Switch options

—
Linear

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Display

None
TFT

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

Wired only
2,500 mAh

USB-C

No
Yes

Build & materials

Case material

Plastic
—

Keycaps

PBT
PBT

Weight

—
250 g

Dimensions

—
39 x 153 x 98 mm

Backlight

None
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Yunzii C212 stores

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