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Head to head · Prices checked Nov 7, 2026

Corsair K70 Core vs Ktechs Rainy75

Get the Corsair K70 Core for knob and sound dampening.

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Quick verdict

Which one should you get?

Get the

Corsair K70 Core

Knob

Build quality in the bottom 10% of 100% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Ktechs Rainy75

Build quality in the bottom 30% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No numpad.

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.

Corsair K70 Core

Ktechs Rainy75

  • Layout size

    100%

    75%

  • Connection

    Wired

    Wireless

    Wireless for several devices and wired for lower latency

  • Knob

    Yes

    No

  • Display

    None

    LED

    A case display rather than a typing feature

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Corsair K70 Core
  • Ktechs Rainy75
Performance
54
47
Build quality
43
65
Productivity
58
46
Customizability
55
43
Portability
58
74
See every spec side by side

Full specs

Corsair K70 Core vs Ktechs Rainy75 specs

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

8 of 19 specs differ

Corsair K70 Core

Ktechs Rainy75

Typing & switches

Switch options

Linear
—

Mount style

—
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

100%
75%

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
LED

Media keys

Yes
No

Connectivity & battery

Connection

Wired
Wireless

Max polling rate

—
1,000 Hz

Battery

Wired only
3,500 mAh

Build & materials

Case material

ABS, Aluminum
—

Plate material

—
FR4, Plastic, Polycarbonate

Keycaps

ABS
—

Weight

920 g
—

Dimensions

40 x 135 x 448 mm
—

Backlight

RGB
None

Extras

Released

2023
2024

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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