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Head to head · Prices checked Oct 31, 2026

8BitDo Retro87 vs Epomaker EK21

Get the 8BitDo Retro87 for the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

8BitDo Retro87

Battery

Build quality in the bottom 40% of 80% boards under $150.

Rules this board out

  • No numpad.

Get the

Epomaker EK21

Build quality in the top 25% of Numpad boards under $50.

Rules this board out

  • Numpad only. This is not a full keyboard.

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.

8BitDo Retro87

Epomaker EK21

  • Layout size

    80%

    Numpad

  • Battery

    4,000 mAh

    1,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Plastic

    ABS

  • Switch options

    Clicky

    Linear

  • Mount style

    Top Mount

    Gasket Mount

KeebFinder scores

How we score
  • 8BitDo Retro87
  • Epomaker EK21
Performance
63
78
Build quality
53
76
Productivity
73
87
Customizability
68
82
Portability
77
88

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Knob
See every spec side by side

Full specs

8BitDo Retro87 vs Epomaker EK21 specs

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

12 of 23 specs differ

8BitDo Retro87

Epomaker EK21

Typing & switches

Switch options

Clicky
Linear

Hot-swappable

Yes
Yes

Mount style

Top Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

80%
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAhBetter
1,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
ABS

Plate material

Aluminum
Polycarbonate

Keycaps

ABS
PBT

Weight

1,100 g
200 g

Dimensions

46 x 169 x 376 mm
29 x 138 x 93 mm

Backlight

RGB
RGB

Firmware & software

VIA

No
Yes

N-key rollover

Yes
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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