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Head to head · Prices checked Oct 21, 2026

Epomaker QK108 vs Keychron J5

Get the Epomaker QK108 for the 8,000 mAh battery and knob. Get the Keychron J5 for qmk.

EPOMAKER QK108

Battery

Epomaker QK108

3.6 · 9 reviews

from$99at Epomaker

Shop nowSee all prices
Keychron J5 QMK Wireless Mechanical Keyboard

QMK

Keychron J5

3.7 · 3 reviews

from$59at Keychron

Shop nowSee all prices

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 QK108

Keychron J5

  • Battery

    8,000 mAh

    3,750 mAh

  • Switch options

    Linear, Silent, Tactile

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Display

    LED

    None

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Epomaker QK108
  • Keychron J5
Performance
81
70
Build quality
76
69
Productivity
89
62
Customizability
82
86
Portability
62
48

What they share

  • Layout size: 100%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • VIA
  • 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 QK108

3.6

9 owner reviews

Praise
“A nice Full sized mechanical keyboard under 100$ is a good deal and it's type experience is really good.”
Himanshu K.Verified buyer· via Epomaker
Critique
“Working so I sent it to place to fix it and they quoted me something crazy but the other keyboard I ordered still works I do not understand why it stopped working”
victoria l.Verified buyer· via Epomaker

Keychron J5

3.7

3 owner reviews

Praise
“Totally enjoying this keyboard. Weight gives a quality feel. Love north facing RGB and effects. Price is in a sweet spot. Happy that I didn’t allow lack of reviews to affect my decision. Highly recommended.”
M.T.Verified buyer· via Keychron
Critique
“Originally had purchased (2) J5 keyboards for staff in the office in January. Upon delivery, the top number row of one of the keyboards did not work and had to be RMA'd, within a few weeks the second keyboard refused to work altogether. Received a replacement…”
T.Verified buyer· via Keychron

Full specs

Epomaker QK108 vs Keychron J5 specs

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

12 of 26 specs differ

Epomaker QK108

Keychron J5

Typing & switches

Switch options

Linear, Silent, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

100%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LED
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
1,000 Hz

Battery

8,000 mAhBetter
3,750 mAh

USB-C

Yes
No

Build & materials

Case material

ABS
—

Plate material

Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

1,180 g
—

Dimensions

43 x 439 x 139 mm
—

Typing angle

6°
—

Backlight

RGB, south-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
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
    Visit
Keychron J52 stores
  • KeychronHK

    In stock
    $59Visit
  • AmazonGlobal

    Check price
    Visit

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