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Head to head · Prices checked Nov 10, 2026

Keychron K1 SE V5 vs K380% vs 75% Low-Profile Keyboard Comparison

Choose the K1 SE V5 for a larger layout and bigger battery, or the K3 for a more compact size and extra accessories.

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Quick verdict

Which one should you get?

Get the

Keychron K1 SE V5

80%

Build quality in the top 40% of 80% boards under $100.

If you want

  • Larger 2000mAh rechargeable battery for extended wireless use.
  • 80% layout retains more keys than a 75% board.
  • Vendor claims a reinforced aluminum top case with a steel plate for structure.

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.

Get the

Keychron K3

75% Low-Profile Keyboard Comparison

Build quality in the bottom 40% of 75% boards under $150.

If you want

  • More compact 75% layout for a smaller desk footprint.
  • Includes 17 extra keycaps, a keycap puller, a switch puller, and a dust cover.
  • Vendor describes it as ultra-slim and lightweight with a streamlined aluminum body.

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 numpad.

Bottom line

Select the Keychron K1 SE V5 if you value a larger key layout and longer battery life for extended typing sessions. Opt for the Keychron K3 if your priority is a more portable, compact keyboard that comes with useful modding accessories like extra keycaps and a dust cover right out of the box.

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 SE V5

Keychron K3

  • Layout size

    80%

    75%

  • Battery

    2,000 mAh

    1,550 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Plastic

    ABS, Aluminum

  • Mount style

    Tray Mount

    Plate Mount

  • Layout standard

    ANSI, JIS

    ANSI, ISO, ISO-FR

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Keychron K1 SE V5
  • Keychron K3
Performance
63
64
Build quality
67
61
Productivity
67
66
Customizability
70
68
Portability
74
80

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Best for

What will you mostly use it for?

The K1 SE V5 wins for programming and content creation due to its larger layout and battery. The K3 is the better choice for travel and modding, thanks to its compact form factor and included accessories like extra keycaps and a dust cover. For gaming and office use, the keyboards are closely matched, sharing core wireless and compatibility features.

For gaming

It's a tie

  • Both offer low-profile switches with linear, tactile, and clicky options.
  • Both support a wired USB-C connection for a stable link.
  • The K1 SE V5 vendor page mentions 0.2 ms ultra-low latency for its optical switches, a claim not made for the K3.

Full specs

Keychron K1 SE V5 vs K3 specs

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

7 of 19 specs differ

Keychron K1 SE V5

Keychron K3

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Plate Mount

Low profile

Yes
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI, JIS
ANSI, ISO, ISO-FR

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Battery

2,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
ABS, Aluminum

Plate material

—
Plastic

Keycaps

ABS
ABS, PBT

Typing angle

—
6°

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2021
2023

For EU buyers

ISO layouts by store

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

Keychron K1 SE V5

No ISO layout at the stores we track.

Keychron K3

  • Keychron (DE)

    ISO-FR

    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.

Keychron K33 stores

FAQ

Keychron K1 SE V5 vs K3: your questions

The Keychron K1 SE V5 uses an 80% layout, while the K3 uses a more compact 75% layout. This means the K3 has a smaller footprint, but the K1 SE V5 retains a few more keys, typically around the navigation cluster.

The Keychron K1 SE V5 has a larger 2000mAh battery, while the K3 has a 1550mAh battery. According to their vendor pages, lab tests show the K1 SE V5 can last up to 190 hours with backlight off, compared to up to 34 hours for the K3 at lowest brightness. Actual results will vary with use.

Both keyboards offer hot-swappable versions, but for different switches. The K1 SE V5 offers hot-swappable versions for low-profile Keychron Optical switches and low-profile Gateron Mechanical switches. The K3 vendor page specifies its hot-swappable feature is for low-profile Keychron Optical switches only.

According to its vendor page, the Keychron K3 package includes the keyboard, a USB-A to USB-C cable, a keycap puller, a switch puller (for the optical version), a dust cover, a user manual, and 17 extra keycaps.

The listed package content for the K1 SE V5 includes the keyboard, a USB-A to USB Type-C cable, a keycap puller, and a user manual. It does not mention extra keycaps, a switch puller, or a dust cover.

No. Both vendor descriptions explicitly state that their low-profile Keychron Optical and low-profile Gateron mechanical versions are not compatible with any normal profile MX-style mechanical switches. They are designed for specific low-profile switches only.

Yes. Both the Keychron K1 SE V5 and K3 are listed as compatible with Mac and Windows devices. The K3 vendor page notes it includes keycaps for both macOS and Windows layouts.

Both the Keychron K1 SE V5 and K3 use Bluetooth 5.1 for wireless connectivity, as stated in their respective vendor specifications.

The Keychron K3 is likely more portable. Its vendor page describes it as "one of the thinnest and lightweight wireless mechanical keyboards" due to its 75% layout and streamlined aluminum body. The K1 SE V5 has a larger 80% form factor.

Yes. The vendor page for the K1 SE V5 mentions it has two-level adjustable rubber feet. The K3 also has two-level adjustable rubber feet, and its specifications list a fixed 6-degree typing angle.

Both keyboards offer models with white backlighting or RGB backlighting. Their vendor pages mention adjustable brightness levels and up to 18 different backlight effects or types.

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