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Head to head · Prices checked Nov 7, 2026

Apos Gizmo Engineering GK6 vs Realforce Topre R4

Get the Apos Gizmo Engineering GK6 for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Apos Gizmo Engineering GK6

Hot-swappable

Build quality in the top 40% of Numpad boards under $300.

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

Realforce Topre R4

Build quality in the bottom 15% of 80% boards under $300.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No numpad.

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.

Apos Gizmo Engineering GK6

Realforce Topre R4

  • Layout size

    Numpad

    80%

  • Connection

    Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Ergonomics

    Ortholinear

    Standard

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Apos Gizmo Engineering GK6
  • Realforce Topre R4
Performance
66
67
Build quality
72
46
Productivity
85
71
Customizability
80
42
Portability
77
71

What they share

  • Keycaps: PBT
See every spec side by side

Full specs

Apos Gizmo Engineering GK6 vs Realforce Topre R4 specs

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

9 of 20 specs differ

Apos Gizmo Engineering GK6

Realforce Topre R4

Typing & switches

Switch options

—
Silent

Hot-swappable

Yes
No

Mount style

—
PCB Mount

Sound dampening

Yes
No

Layout

Layout size

Numpad
80%

Layout standard

ANSI
ANSI

Ergonomics

Ortholinear
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, Wired

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Steel
—

Plate material

Aluminum, Steel
—

Keycaps

PBT
PBT

Weight

810 g
—

Dimensions

31 x 250 x 116 mm
—

Backlight

RGB
None

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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.

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