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Head to head · Prices checked Nov 12, 2026

Coolkiller CK75 vs LUMINKEY V2

Get the LUMINKEY V2 for the 4,400 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Coolkiller CK75

Build quality in the bottom 35% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

LUMINKEY V2

Battery

Build quality in the top 20% of 75% boards under $200.

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.

Coolkiller CK75

LUMINKEY V2

  • Battery

    3,750 mAh

    4,400 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum, Plastic

    Aluminum

  • Switch options

    Linear, Tactile

    Linear

  • Mount style

    Gasket Mount

    Gasket Mount, Plate Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Coolkiller CK75
  • LUMINKEY V2
Performance
61
68
Build quality
59
80
Productivity
76
82
Customizability
61
79
Portability
82
82

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Plate material: Polycarbonate
See every spec side by side

Full specs

Coolkiller CK75 vs LUMINKEY V2 specs

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

12 of 24 specs differ

Coolkiller CK75

LUMINKEY V2

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

3,750 mAh
4,400 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Plastic
Aluminum

Plate material

Polycarbonate
Polycarbonate

Keycaps

ABS, PBT
PBT

Weight

1,050 g
1,950 g

Dimensions

28 x 145 x 329 mm
20 x 332 x 142 mm

Typing angle

—
7°

Backlight

RGB, south-facing
None

Firmware & software

VIAL

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

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.

Lowest price across stores, Amazon excluded.

LUMINKEY V23 stores

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