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Head to head · Prices checked Oct 21, 2026

WhatGeek K87 PRO vs Yunzii B87

Get the WhatGeek K87 PRO for the 8,000 mAh battery. Get the Yunzii B87 for qmk and via.

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.

WhatGeek K87 PRO

Yunzii B87

  • Battery

    8,000 mAh

    4,000 mAh

  • Weight

    1,400 g

    1,128 g

  • QMK

    No

    Yes

  • VIA

    No

    Yes

  • Backlight

    RGB

    RGB, south-facing

KeebFinder scores

How we score
  • WhatGeek K87 PRO
  • Yunzii B87
Performance
77
82
Build quality
62
77
Productivity
79
89
Customizability
64
86
Portability
87
73

What they share

  • Layout size: 80%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

WhatGeek K87 PRO vs Yunzii B87 specs

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

7 of 23 specs differ

WhatGeek K87 PRO

Yunzii B87

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

80%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,400 g
1,128 g

Dimensions

50 x 395 x 180 mm
46 x 147 x 373 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $89Visit
Yunzii B872 stores
  • YunziiCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    Visit

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