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Head to head · Prices checked Nov 7, 2026

ATTACK SHARK K86 vs Keychron J2

Get the ATTACK SHARK K86 for the 4,000 mAh battery and knob. Get the Keychron J2 for qmk.

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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.

ATTACK SHARK K86

Keychron J2

  • Battery

    4,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • ATTACK SHARK K86
  • Keychron J2
Performance
68
70
Build quality
76
71
Productivity
85
73
Customizability
75
86
Portability
81
73

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

ATTACK SHARK K86 vs Keychron J2 specs

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

10 of 23 specs differ

ATTACK SHARK K86

Keychron J2

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
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

4,000 mAhBetter
3,750 mAh

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Keycaps

PBT
PBT

Weight

930 g
—

Dimensions

35 x 380 x 150 mm
—

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2025

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 J23 stores

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