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Head to head · Prices checked Oct 21, 2026

Coolkiller Balloon84 vs Nuphy Air75 V3

Get the Nuphy Air75 V3 for the 4,000 mAh battery and knob.

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 Balloon84

Nuphy Air75 V3

  • Battery

    3,500 mAh

    4,000 mAh

  • Case material

    Aluminum, Plastic

    ABS, Aluminum, Plastic, Polycarbonate

  • Switch options

    Linear

    Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

  • Knob

    No

    Yes

  • Weight

    870 g

    750 g

KeebFinder scores

How we score
  • Coolkiller Balloon84
  • Nuphy Air75 V3
Performance
55
82
Build quality
61
88
Productivity
78
97
Customizability
63
98
Portability
83
81

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Sound dampening
See every spec side by side

Full specs

Coolkiller Balloon84 vs Nuphy Air75 V3 specs

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

13 of 28 specs differ

Coolkiller Balloon84

Nuphy Air75 V3

Typing & switches

Switch options

Linear
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

3,500 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
ABS, Aluminum, Plastic, Polycarbonate

Plate material

—
Aluminum, Polycarbonate

Keycaps

PC
PBT

Weight

870 g
750 g

Dimensions

33 x 144 x 329 mm
13 x 319 x 129 mm

Typing angle

—
10°, 5°

Backlight

White
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
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.

  • AmazonGlobal

    Check price
    ~$129Visit
  • WhatGeekCN

    Out of stock
    $129Visit
  • Input GearDE

    In stock
    $135Visit
  • NuphyUS

    In stock
    $140Visit
  • ktechsSG

    In stock
    $185Visit
  • AmazonGlobal

    Check price
    Visit

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