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Head to head · Prices checked Oct 21, 2026

Coolkiller Next75 vs Keychron Q3 HE

Get the Coolkiller Next75 for the 8,000 mAh battery. Get the Keychron Q3 HE for rapid trigger.

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 Next75

Keychron Q3 HE

  • Layout size

    75%

    80%

  • Rapid trigger

    No

    Yes

  • Battery

    8,000 mAh

    4,000 mAh

  • Case material

    Aluminum

    Aluminum, Metal

  • Switch options

    Magnetic

    Clicky, Linear, Magnetic, Tactile

KeebFinder scores

How we score
  • Coolkiller Next75
  • Keychron Q3 HE
Performance
88
100
Build quality
64
88
Productivity
83
97
Customizability
73
98
Portability
93
78

What they share

  • Hall effect (magnetic)
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

From real owners

What owners say

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

Coolkiller Next75

No owner reviews collected yet.

Keychron Q3 HE

5.0

8 owner reviews

Praise
“I am loving this kb, the rapid trigger is solid and the sound is surprisingly great for linear switches. Finally, I can jiggle peek correctly all the time without my kb holding me off. The keyboard looks and feels great!”
Mazbaul A.Verified buyer· via Keychron

Full specs

Coolkiller Next75 vs Keychron Q3 HE specs

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

18 of 29 specs differ

Coolkiller Next75

Keychron Q3 HE

Typing & switches

Switch options

Magnetic
Clicky, Linear, Magnetic, Tactile

Hall effect (magnetic)

Yes
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
8,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum, Metal

Plate material

FR4
Aluminum

Keycaps

ABS, PBT
PBT

Weight

1,400 g
1,775 g

Dimensions

48 x 145 x 333 mm
23 x 137 x 365 mm

Typing angle

—
5°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Coolkiller Next752 stores

  • AmazonGlobal

    Check price
    ~$539Visit

  • WhatGeekCN

    Out of stock
    $539Visit
Keychron Q3 HE4 stores

  • MKUS

    In stock
    $224Visit

  • KeychronHK

    In stock
    $229Visit

  • Keychron (DE)DE

    In stock
    $243Visit

  • AmazonGlobal

    Check price
    Visit

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