Head to head · Prices checked Nov 11, 2026

Epomaker Hack 59 vs Keychron J4

Get the Keychron J4 for the 4,000 mAh battery.

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Epomaker Hack 59

4.7 (18)4.7 · 18 reviews

from$48at Epomaker

90-day lowLowest price in 90 days

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Battery

Keychron J4

No reviews

from$59at Keychron

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Quick verdict

Which one should you get?

Get the

Epomaker Hack 59

Build quality in the top 10% of 60% boards under $50.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Compact layout only. No function row, dedicated arrow keys, or numpad.

$48 at Epomaker

Get the

Keychron J4

Battery

Build quality in the top 30% of 80% boards under $100.

Rules this board out

North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
No numpad.

$59 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.

Epomaker Hack 59

Keychron J4

Layout size
60%
80%
Battery
3,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Switch options
Linear
Clicky, Linear, Tactile
Weight
630 g
870 g
Heavier boards stay planted and lighter ones travel
Plate material
Plastic
Steel

KeebFinder scores

How we score

Epomaker Hack 59
Keychron J4

Performance: 63
82
Build quality: 81
71
Productivity: 81
89
Customizability: 88
89
Portability: 87
73

What they share

Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Max polling rate: 1,000 Hz
Case material: ABS
QMK
VIA

See every spec side by side

Full specs

Epomaker Hack 59 vs Keychron J4 specs

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

12 of 25 specs differ

Spec

Epomaker Hack 59

Keychron J4

Typing & switches

Switch options

Linear

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

—

Sound dampening

Yes

Layout

Layout size

60%

80%

Layout standard

ANSI

Ergonomics

Standard

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

Battery

3,000 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

Plate material

Plastic

Steel

Keycaps

PBT

Weight

630 g

870 g

Dimensions

28 x 119 x 303 mm

38 x 366 x 138 mm

Typing angle

6°

10°

Backlight

RGB, south-facing

RGB, north-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

2025

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Epomaker Hack 592 stores