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Head to head · Prices checked Oct 21, 2026

Keychron J5 QMK vs K10 Ultra

Get the Keychron K10 Ultra for the 4,000 mAh battery and the 8,000 Hz polling rate.

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.

Keychron J5 QMK

Keychron K10 Ultra

  • Battery

    3,750 mAh

    4,000 mAh

  • Max polling rate

    1,000 Hz

    8,000 Hz

  • Case material

    ABS

    ABS, Aluminum, Plastic

  • Weight

    1,100 g

    1,495 g

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • Keychron J5 QMK
  • Keychron K10 Ultra
Performance
78
90
Build quality
61
83
Productivity
84
94
Customizability
75
91
Portability
57
56

What they share

  • Layout size: 100%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • QMK
  • 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.

Keychron J5 QMK

No owner reviews collected yet.

Keychron K10 Ultra

3.0

2 owner reviews

Praise
“Keychron has never let me down. I have paid a lot more for other keyboards from other manufacturers and received a lot less. I will never look elsewhere again”
Elijah R.· via Keychron
Critique
“I see why it was discounted. Fresh out of the box, it would not connect to my PC, which is literally 3 feet away. The 2.4G connection is extremely buggy, and I’ve had constant disconnects DAILY. On top of that, I had multiple sticking keys right out of the…”
Nicholas T.Verified buyer· via Keychron

Full specs

Keychron J5 QMK vs K10 Ultra specs

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

11 of 26 specs differ

Keychron J5 QMK

Keychron K10 Ultra

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

100%
100%

Layout standard

ANSI
ANSI, ISO, JIS

Ergonomics

Standard
Standard

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
8,000 HzBetter

Battery

3,750 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS
ABS, Aluminum, Plastic

Plate material

—
Steel

Keycaps

PBT
PBT

Weight

1,100 g
1,495 g

Dimensions

35 x 436 x 129 mm
29 x 448 x 140 mm

Typing angle

2°
—

Backlight

RGB, north-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • Keychron (DE)DE

    In stock
    $109Visit
  • AmazonGlobal

    Check price
    ~$109Visit
  • KeychronHK

    In stock
    $114Visit
  • MKUS

    In stock
    $114Visit
  • Keychron (DE)DE

    In stock
    $150Visit
  • AmazonGlobal

    Check price
    Visit

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