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Head to head · Prices checked Nov 12, 2026

Double shell DoubleShell DS84i vs Keychron K13 Max

Get the Double shell DoubleShell DS84i for knob. Get the Keychron K13 Max for qmk.

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Quick verdict

Which one should you get?

Get the

Double shell DoubleShell DS84i

Knob

Build quality in the bottom 5% 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.
  • No numpad.
$99 at Mechkeys

Get the

Keychron K13 Max

QMK

Build quality in the top 15% of 80% 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.
  • No numpad.
$109 at Keychron

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.

Double shell DoubleShell DS84i

Keychron K13 Max

  • Layout size

    75%

    80%

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Weight

    798 g

    600 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Double shell DoubleShell DS84i
  • Keychron K13 Max
Performance
61
80
Build quality
40
79
Productivity
58
88
Customizability
59
89
Portability
74
76

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Low profile
  • Keycaps: PBT
See every spec side by side

Full specs

Double shell DoubleShell DS84i vs Keychron K13 Max specs

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

13 of 26 specs differ

Double shell DoubleShell DS84i

Keychron K13 Max

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
PCB Mount

Low profile

Yes
Yes

Sound dampening

No
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

—
2,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, Aluminum

Keycaps

PBT
PBT

Weight

798 g
600 g

Dimensions

25 x 153 x 314 mm
8 x 346 x 119 mm

Typing angle

—
3°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2024

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.

Double shell DoubleShell DS84i2 stores
Keychron K13 Max4 stores

For EU buyers

ISO layouts by store

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

Double shell DoubleShell DS84i

No ISO layout at the stores we track.

Keychron K13 Max

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