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Head to head · Prices checked Oct 21, 2026

Keychron C3 Pro vs Ktechs Rainy75

Get the Keychron C3 Pro for hot-swappable and the 8,000 Hz polling rate.

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.

Keychron C3 Pro

Ktechs Rainy75

  • Layout size

    80%

    75%

  • Connection

    Wired

    Wireless

  • Hot-swappable

    Yes

    No

  • Max polling rate

    8,000 Hz

    1,000 Hz

  • Display

    None

    LED

KeebFinder scores

How we score
  • Keychron C3 Pro
  • Ktechs Rainy75
Performance
91
47
Build quality
81
65
Productivity
91
46
Customizability
89
42
Portability
59
74

What they share

  • Mount style: Gasket Mount
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Keychron C3 Pro

4.7

3 owner reviews

Praise
“I was waiting a lot of time Keychron to announce a TKL, only wired and RGB North-facing RGB LED!! Especially with Hot-swappable switches and Cherry profile double-shot PBT keycaps!!”
Konstantinos K.· via Keychron

Ktechs Rainy75

No owner reviews collected yet.

Full specs

Keychron C3 Pro vs Ktechs Rainy75 specs

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

14 of 24 specs differ

Keychron C3 Pro

Ktechs Rainy75

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

80%
75%

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Display

None
LED

Connectivity & battery

Connection

Wired
Wireless

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

Wired only
3,500 mAh

USB-C

Yes
No

Build & materials

Case material

ABS, Plastic
—

Plate material

Plastic, Steel
FR4, Plastic, Polycarbonate

Keycaps

ABS, PBT
—

Weight

912 g
—

Dimensions

21 x 365 x 138 mm
—

Typing angle

4°, 6°
—

Backlight

RGB, north-facing
None

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2023
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • MKUS

    In stock
    $40Visit
  • KeychronHK

    In stock
    $54Visit
  • AmazonGlobal

    Check price
    Visit
  • Keychron (DE)DE

    Out of stock
    $75Visit
  • ktechsSG

    In stock
    $7Visit
  • AmazonGlobal

    Check price
    ~$33Visit

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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