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Head to head · Prices checked Oct 23, 2026

Redragon ANTONIUM K743 Pro vs Keychron K8 Ultra

Get the Redragon ANTONIUM K743 Pro for knob. Get the Keychron K8 Ultra for 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.

Redragon ANTONIUM K743 Pro

Keychron K8 Ultra

  • Max polling rate

    1,000 Hz

    8,000 Hz

  • Case material

    Plastic

    ABS, Aluminum, Metal

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Plate Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Redragon ANTONIUM K743 Pro
  • Keychron K8 Ultra
Performance
78
90
Build quality
76
83
Productivity
91
95
Customizability
78
92
Portability
70
77

What they share

  • Layout size: 80%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • 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.

Redragon ANTONIUM K743 Pro

No owner reviews collected yet.

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

Redragon ANTONIUM K743 Pro vs Keychron K8 Ultra specs

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

12 of 26 specs differ

Redragon ANTONIUM K743 Pro

Keychron K8 Ultra

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

80%
80%

Layout standard

ANSI
ANSI, ISO, ISO-ES

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
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

—
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Aluminum, Metal

Plate material

—
Steel

Keycaps

PBT
PBT

Weight

920 g
1,299 g

Dimensions

37 x 373 x 140 mm
—

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
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.

  • RedragonCN

    In stock
    $69Visit
  • AmazonGlobal

    Check price
    ~$69Visit
  • KeychronHK

    In stock
    $119Visit
  • MKUS

    In stock
    $119Visit
  • Keychron (DE)DE

    In stock
    $150Visit
  • AmazonGlobal

    Check price
    Visit

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