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Head to head · Prices checked Oct 30, 2026

Aesco A83 Air vs Keychron K5 Version 2 Flache

Get the Aesco A83 Air for the 3,800 mAh battery. Get the Keychron K5 Version 2 Flache for qmk and via.

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Quick verdict

Which one should you get?

Get the

Aesco A83 Air

Battery

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

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.
  • No numpad.

Get the

Keychron K5 Version 2 Flache

QMK

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.

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.

Aesco A83 Air

Keychron K5 Version 2 Flache

  • Layout size

    75%

    100%

  • Battery

    3,800 mAh

    2,000 mAh

    A larger battery means fewer cables during the day

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Aesco A83 Air
  • Keychron K5 Version 2 Flache
Performance
44
70
Build quality
39
75
Productivity
45
89
Customizability
56
89
Portability
62
56

What they share

  • Hot-swappable
  • Low profile
See every spec side by side

Full specs

Aesco A83 Air vs Keychron K5 Version 2 Flache specs

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

10 of 20 specs differ

Aesco A83 Air

Keychron K5 Version 2 Flache

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI
ISO, ISO-DE

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

—
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

3,800 mAhBetter
2,000 mAh

USB-C

No
Yes

Build & materials

Case material

—
ABS, Aluminum

Keycaps

PBT
ABS

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2026

For EU buyers

ISO layouts by store

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

Aesco A83 Air

No ISO layout at the stores we track.

Keychron K5 Version 2 Flache

Listed on the product, not split by store: ISO-DE.

Where to buy

Compare prices

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

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