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Head to head · Prices checked Oct 21, 2026

Keychron K3 HE vs K5 Ultra

Get the Keychron K3 HE for hall effect and rapid trigger. Get the Keychron K5 Ultra for the 8,000 Hz polling rate.

Keychron K3 HE Wireless Magnetic Switch Custom ISO Keyboard

Hall effect

Keychron K3 HE

4.4 · 8 reviews

from$119at Keychron

Shop nowCompare 2 stores
Keychron K5 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

polling rate

Keychron K5 Ultra

5.0 · 4 reviews

from$114at Keychron

Shop nowCompare 2 stores

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 K3 HE

Keychron K5 Ultra

  • Layout size

    75%

    100%

  • Hall effect (magnetic)

    Yes

    No

  • Rapid trigger

    Yes

    No

  • Max polling rate

    1,000 Hz

    8,000 Hz

  • Case material

    ABS, Aluminum, Wood

    ABS, Metal, Wood

KeebFinder scores

How we score
  • Keychron K3 HE
  • Keychron K5 Ultra
Performance
92
91
Build quality
86
75
Productivity
88
93
Customizability
89
89
Portability
82
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 2,600 mAh
  • Low profile
  • QMK
  • VIA
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 K3 HE

4.4

8 owner reviews

Praise
“I am happy with this keyboard! I needed some time to adjust my typing habits, but so far so good.”
Viacheslav M.Verified buyer· via Keychron
Critique
“please add a custom firmware file in your as the app can not recognize the keyboard and apparently doesn't have a correct firmware. the reset buttons do not work as well”
gio· via Keychron

Keychron K5 Ultra

5.0

4 owner reviews

Praise
“This keyboard is exactly what I was looking for. Low profile, great switches, not uber gamery. Very happy so far, hopefully it keeps working for a long time.”
StephenVerified buyer· via Keychron

Full specs

Keychron K3 HE vs K5 Ultra specs

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

10 of 28 specs differ

Keychron K3 HE

Keychron K5 Ultra

Typing & switches

Switch options

Clicky, Linear, Magnetic, Tactile
Clicky, Linear, Tactile

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Tray Mount
—

Low profile

Yes
Yes

Sound dampening

Yes
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, JIS
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-IT, ISO-PT

Ergonomics

Standard
Standard

Knob

No
Yes

Display

LED
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

2,600 mAh
2,600 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum, Wood
ABS, Metal, Wood

Plate material

Aluminum
Aluminum

Keycaps

PBT
PBT

Weight

580 g
566 g

Dimensions

25 x 319 x 126 mm
—

Typing angle

2°
—

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • KeychronHK

    In stock
    $119Visit
  • Keychron (DE)DE

    In stock
    $145Visit
  • AmazonGlobal

    Check price
    Visit
  • KeychronHK

    In stock
    $114Visit
  • Keychron (DE)DE

    In stock
    $145Visit
  • AmazonGlobal

    Check price
    Visit

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