Head to head · Prices checked Nov 11, 2026

Keychron K3 Ultra vs XVX L75 Air

Get the Keychron K3 Ultra for the 8,000 Hz polling rate. Get the XVX L75 Air for the 3,700 mAh battery.

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polling rate

Keychron K3 Ultra

4.3 (9)4.3 · 9 reviews

from$109at MK

Compare 4 stores

Battery

XVX L75 Air

No reviews

from$79at XVX

90-day lowLowest price in 90 days

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron K3 Ultra

polling rate

Build quality in the top 30% 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.

$109 at MK

Get the

XVX L75 Air

Battery

Build quality in the top 30% of 75% boards under $100.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$79 at XVX

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 K3 Ultra

XVX L75 Air

Battery
2,600 mAh
3,700 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, Wood
Aluminum
Mount style
Plate Mount
Gasket Mount
Display
None
LED
A case display rather than a typing feature

KeebFinder scores

How we score

Keychron K3 Ultra
XVX L75 Air

Performance: 86
61
Build quality: 75
74
Productivity: 89
76
Customizability: 86
67
Portability: 82
80

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

Keychron K3 Ultra vs XVX L75 Air specs

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

11 of 23 specs differ

Spec

Keychron K3 Ultra

XVX L75 Air

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Hot-swappable

Yes

Mount style

Plate Mount

Gasket Mount

Low profile

Yes

Sound dampening

Yes

Layout

Layout size

75%

Layout standard

ANSI, ISO

ANSI

Ergonomics

Standard

Display

None

LED

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 HzBetter

1,000 Hz

Battery

2,600 mAh

3,700 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, Wood

Aluminum

Plate material

Aluminum

Polycarbonate

Keycaps

PBT

Weight

—

620 g

Dimensions

—

3 x 1 x 1 mm

Backlight

RGB, north-facing

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

Mac & Windows

Yes

Extras

Released

2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K3 Ultra

Keychron
ISO
In stockShips to you
Keychron (DE)
ISO
In stockDoes not ship to you

XVX L75 Air

No ISO layout at the stores we track.

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.

Keychron K3 Ultra4 stores