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Head to head · Prices checked Nov 13, 2026

Coolkiller Spring Series vs Mxrskey CK650

Get the Mxrskey CK650 for the 8,000 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Coolkiller Spring Series

Build quality in the bottom 30% of 65% boards under $200.

Get the

Mxrskey CK650

Battery

Build quality in the top 35% of 65% boards under $200.

Rules this board out

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

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 Spring Series

Mxrskey CK650

  • Battery

    3,750 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Knob

    No

    Yes

  • Display

    Yes

    None

    A case display rather than a typing feature

  • Weight

    1,500 g

    950 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Coolkiller Spring Series
  • Mxrskey CK650
Performance
44
57
Build quality
53
72
Productivity
70
87
Customizability
69
82
Portability
90
94

What they share

  • Layout size: 65%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

Coolkiller Spring Series vs Mxrskey CK650 specs

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

9 of 23 specs differ

Coolkiller Spring Series

Mxrskey CK650

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

Yes
None

Connectivity & battery

Connection

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

Battery

3,750 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
FR4, Plastic

Keycaps

PBT
—

Weight

1,500 g
950 g

Dimensions

28 x 329 x 145 mm
30 x 346 x 105 mm

Typing angle

—
6°

Backlight

RGB
RGB, south-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2023

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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