Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 31, 2026

Keychron K5 Ultra vs Lofree Flow 2

Get the Keychron K5 Ultra for the 8,000 Hz polling rate and knob. Get the Lofree Flow 2 for the 3,000 mAh battery.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Keychron K5 Ultra

polling rate

Build quality in the top 15% of 100% 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.

Get the

Lofree Flow 2

Battery

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.

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 K5 Ultra

Lofree Flow 2

  • Battery

    2,600 mAh

    3,000 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, Metal, Wood

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Silent

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Keychron K5 Ultra
  • Lofree Flow 2
Performance
91
54
Build quality
75
81
Productivity
93
84
Customizability
89
83
Portability
56
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • QMK
  • VIA
  • Sound dampening
See every spec side by side

Full specs

Keychron K5 Ultra vs Lofree Flow 2 specs

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

11 of 26 specs differ

Keychron K5 Ultra

Lofree Flow 2

Typing & switches

Switch options

Clicky, Linear, Tactile
Silent

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

100%
—

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

2,600 mAh
3,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Metal, Wood
Aluminum

Plate material

Aluminum
—

Keycaps

PBT
PBT, PC

Weight

566 g
870 g

Dimensions

—
22 x 107 x 341 mm

Typing angle

—
7°

Backlight

RGB, north-facing
White

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2026
2025

For EU buyers

ISO layouts by store

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

Keychron K5 Ultra

  • Keychron (DE)

    ISO-DE, ISO-FR, ISO-ES, ISO-IT

    In stockDoes not ship to you

Lofree Flow 2

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.

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.