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Head to head · Prices checked Nov 10, 2026

Keychron K15 Max vs V1 Ultra

Get the Keychron V1 Ultra for the 4,000 mAh battery and the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

Keychron K15 Max

Build quality in the top 15% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Keychron V1 Ultra

Battery

Build quality in the top 10% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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 K15 Max

Keychron V1 Ultra

  • Battery

    2,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • Ergonomics

    Alice

    Standard

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    ABS, Aluminum

    ABS, Plastic

KeebFinder scores

How we score
  • Keychron K15 Max
  • Keychron V1 Ultra
Performance
81
91
Build quality
80
84
Productivity
93
98
Customizability
88
94
Portability
79
79

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • QMK
  • VIA
  • Sound dampening
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 K15 Max

4.9

16 owner reviews

Praise
“This keyboard is perfect for me. Combined with the side-scrolling mouse I purchased, it does everything I need it to do, and is extremely comfortable to use all day.”
JamesVerified buyer· via Keychron

Keychron V1 Ultra

5.0

1 owner reviews

Praise
“Keychron has the best keyboard for keyboard enthusiasts. This is my 3rd and I have no notes. Exactly what I wanted, versatility, thockiness, and portability.”
CamilleVerified buyer· via Keychron

Full specs

Keychron K15 Max vs V1 Ultra specs

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

15 of 28 specs differ

Keychron K15 Max

Keychron V1 Ultra

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

PCB Mount
Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR

Ergonomics

Alice
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
8,000 HzBetter

Battery

2,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Plastic

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

700 g
770 g

Dimensions

29 x 370 x 143 mm
29 x 329 x 149 mm

Typing angle

3°
4°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2026

For EU buyers

ISO layouts by store

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

Keychron K15 Max

No ISO layout at the stores we track.

Keychron V1 Ultra

  • Keychron (DE)

    ISO-DE, ISO-FR, ISO-ES

    In stockDoes not ship to you

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.

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