Head to head · Prices checked Nov 12, 2026

Keychron K1 Ultra vs Nuphy Air75 V3

Get the Keychron K1 Ultra for the 8,000 Hz polling rate. Get the Nuphy Air75 V3 for the 4,000 mAh battery.

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polling rate

Keychron K1 Ultra

5.0 (1)5.0 · 1 reviews

from$109at MK

Compare 4 stores

Battery

Nuphy Air75 V3

No reviews

from$135at Input Gear

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Keychron K1 Ultra

polling rate

Build quality in the top 25% of 80% boards under $150.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
No numpad.

$109 at MK

Get the

Nuphy Air75 V3

Battery

Build quality in the top 5% of 75% boards under $150.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$135 at Input Gear

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 K1 Ultra

Nuphy Air75 V3

Layout size
80%
75%
Battery
2,600 mAh
4,000 mAh
A larger battery means fewer cables during the day
Max polling rate
8,000 Hz
1,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
ABS, Aluminum, Metal, Wood
ABS, Aluminum, Plastic, Polycarbonate
Switch options
Clicky, Linear, Tactile
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

KeebFinder scores

How we score

Keychron K1 Ultra
Nuphy Air75 V3

Performance: 89
82
Build quality: 70
90
Productivity: 84
97
Customizability: 75
100
Portability: 77
81

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Low profile
Knob
Sound dampening

See every spec side by side

Full specs

Keychron K1 Ultra vs Nuphy Air75 V3 specs

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

17 of 28 specs differ

Spec

Keychron K1 Ultra

Nuphy Air75 V3

Typing & switches

Switch options

Clicky, Linear, Tactile

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

Hot-swappable

Yes

Mount style

Plate Mount

Gasket Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

80%

75%

Layout standard

ANSI

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

Ergonomics

Standard

Knob

Yes

Display

None

LED

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 HzBetter

1,000 Hz

Battery

2,600 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, Aluminum, Metal, Wood

ABS, Aluminum, Plastic, Polycarbonate

Plate material

Aluminum

Aluminum, Polycarbonate

Keycaps

PBT

PBT, PC

Weight

628.9 g

750 g

Dimensions

20 x 359 x 128 mm

13 x 319 x 129 mm

Typing angle

—

10°, 5°

Backlight

RGB, north-facing

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2024

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

Keychron K1 Ultra4 stores