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Head to head · Prices checked Nov 10, 2026

Keychron K4 V3 vs K8 Ultra

Get the Keychron K8 Ultra for the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

Keychron K4 V3

Build quality in the top 5% of 96% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Missing ISO-ES. The other board is sold in those layouts.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Keychron K8 Ultra

polling rate

Build quality in the top 10% of 80% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Missing ISO-DE, ISO-UK, ISO-Nordic. The other board is sold in those layouts.
  • No numpad.

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 K4 V3

Keychron K8 Ultra

  • Layout size

    96%

    80%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Max polling rate

    1,000 Hz

    8,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

  • Case material

    Aluminum, Plastic

    ABS, Aluminum, Metal

  • Mount style

    Tray Mount

    Plate Mount

KeebFinder scores

How we score
  • Keychron K4 V3
  • Keychron K8 Ultra
Performance
82
90
Build quality
87
83
Productivity
95
94
Customizability
96
92
Portability
54
77

What they share

  • Hot-swappable
  • Battery: 4,000 mAh
  • Switch options: Clicky, Linear, Tactile
  • QMK
  • VIA
  • Sound dampening
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 K4 V3

5.0

4 owner reviews

Praise
“I am overall extremely impressed with this keyboard! I upgraded from a Corsair K70 Luxe that I had for many years, and this feels like miles better of an experience. I am impressed how good the Banana switches are, they are a little more tactile than the…”
Nick M.Verified buyer· via Keychron

Keychron K8 Ultra

5.0

4 owner reviews

Praise
“The order is exactly what i had ordered, and exceeds everything i had expected”
matthewVerified buyer· via Keychron

Full specs

Keychron K4 V3 vs K8 Ultra specs

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

8 of 25 specs differ

Keychron K4 V3

Keychron K8 Ultra

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

96%
80%

Layout standard

ANSI, ISO, ISO-CH, ISO-DE, ISO-Nordic, ISO-UK
ANSI, ISO, ISO-ES

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
8,000 HzBetter

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
ABS, Aluminum, Metal

Plate material

—
Steel

Keycaps

PBT, PC
PBT

Weight

—
1,299 g

Typing angle

5°
—

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K4 V3

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-CH

    In stockShips to you

Keychron K8 Ultra

  • Keychron (DE)

    ISO-ES

    In stockDoes not ship to you

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

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