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Head to head · Prices checked Nov 2, 2026

Coolkiller CK68 vs Mek Studio Geometry70

Get the Mek Studio Geometry70 for the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Coolkiller CK68

Build quality in the bottom 25% of 65% boards under $300.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 65% layout. No function row and no numpad.

Get the

Mek Studio Geometry70

Battery

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 CK68

Mek Studio Geometry70

  • Layout size

    65%

    70%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    3,750 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Acrylic, Plastic

    Aluminum

  • Mount style

    Gasket Mount

    Top Mount

KeebFinder scores

How we score
  • Coolkiller CK68
  • Mek Studio Geometry70
Performance
48
65
Build quality
49
76
Productivity
74
68
Customizability
68
85
Portability
100
80

What they share

  • Hot-swappable
See every spec side by side

Full specs

Coolkiller CK68 vs Mek Studio Geometry70 specs

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

16 of 23 specs differ

Coolkiller CK68

Mek Studio Geometry70

Typing & switches

Switch options

Linear, Silent, Tactile
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Top Mount

Sound dampening

Yes
No

Layout

Layout size

65%
70%

Layout standard

ANSI
ANSI, ISO

Ergonomics

Standard
Standard

Display

OLED
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

3,750 mAh
4,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

Acrylic, Plastic
Aluminum

Keycaps

PC
—

Weight

1,700 g
1,500 g

Dimensions

43 x 120 x 350 mm
32 x 373 x 115 mm

Typing angle

—
7°

Backlight

RGB, south-facing
None

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Coolkiller CK68

No ISO layout at the stores we track.

Mek Studio Geometry70

Listed on the product, not split by store: ISO.

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.

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