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Head to head · Prices checked Oct 21, 2026

Epomaker Galaxy70 vs Keychron J4 QMK

Get the Epomaker Galaxy70 for knob. Get the Keychron J4 QMK for qmk.

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 Galaxy70

Keychron J4 QMK

  • Layout size

    75%

    80%

  • Case material

    Aluminum

    ABS

  • Knob

    Yes

    No

  • Weight

    1,790 g

    870 g

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Epomaker Galaxy70
  • Keychron J4 QMK
Performance
78
79
Build quality
72
61
Productivity
73
84
Customizability
65
74
Portability
75
73

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Max polling rate: 1,000 Hz
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Epomaker Galaxy70

4.9

100 owner reviews

Praise
“The Galaxy70 is super thocky with the zebra switches. Great choice if that's the sound profile you're looking for! The alu case is super heavy and well built.”
Colin H.Verified buyer· via Epomaker
Critique
“so I bought this keyboard, I was essentially really excited about it. looked good, nice price and from a company I trusted. The keyboard arrived, I plugged it in, and it didn't respond properly.The software could not be detected by my PC for whatever reason…”
Morena W.Verified buyer· via Epomaker

Keychron J4 QMK

No owner reviews collected yet.

Full specs

Epomaker Galaxy70 vs Keychron J4 QMK specs

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

11 of 23 specs differ

Epomaker Galaxy70

Keychron J4 QMK

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
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

1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
ABS

Plate material

Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

1,790 g
870 g

Dimensions

33 x 351 x 141 mm
38 x 366 x 138 mm

Typing angle

7°
10°

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • Keychron (DE)DE

    In stock
    $98Visit
  • AmazonGlobal

    Check price
    ~$98Visit

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.

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