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Head to head · Prices checked Nov 2, 2026

Focus Lab CTRL87 vs REDMAGIC Nubia K100J

Get the Focus Lab CTRL87 for the 8,000 mAh battery. Get the REDMAGIC Nubia K100J for rapid trigger and hot-swappable.

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Quick verdict

Which one should you get?

Get the

Focus Lab CTRL87

Battery

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

REDMAGIC Nubia K100J

Rapid trigger

Build quality in the bottom 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.

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.

Focus Lab CTRL87

REDMAGIC Nubia K100J

  • Layout size

    87%

    96%

  • Rapid trigger

    No

    Yes

    Faster resets help in games and not in normal typing

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    Metal, Plastic

KeebFinder scores

How we score
  • Focus Lab CTRL87
  • REDMAGIC Nubia K100J
Performance
81
63
Build quality
57
57
Productivity
57
69
Customizability
52
74
Portability
58
52

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Display: LED
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Focus Lab CTRL87 vs REDMAGIC Nubia K100J specs

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

10 of 22 specs differ

Focus Lab CTRL87

REDMAGIC Nubia K100J

Typing & switches

Switch options

—
Linear

Rapid trigger

No
Yes

Hot-swappable

No
Yes

Mount style

Plate Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

87%
96%

Layout standard

—
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

LED
LED

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

8,000 mAhBetter
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Metal, Plastic

Plate material

FR4
—

Keycaps

PBT
PBT

Weight

2,100 g
—

Dimensions

35 x 365 x 147 mm
—

Backlight

RGB
RGB

Extras

Released

2026
2023

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.

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