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Head to head · Prices checked Nov 7, 2026

Redragon CASTOR K631 Pro vs Qwertykeys Neo75

Get the Qwertykeys Neo75 for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Redragon CASTOR K631 Pro

Build quality in the bottom 35% of 65% boards under $50.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 65% layout. No function row and no numpad.

Get the

Qwertykeys Neo75

Battery

Build quality in the top 5% of 75% boards under $100.

Rules this board out

  • 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.

Redragon CASTOR K631 Pro

Qwertykeys Neo75

  • Layout size

    65%

    75%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    2.4 GHz, Wired, Bluetooth

    Wireless for several devices and wired for lower latency

  • Battery

    1,600 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum, Brass, Copper, Steel

  • Mount style

    Bottom Mount

    Gasket Mount

KeebFinder scores

How we score
  • Redragon CASTOR K631 Pro
  • Qwertykeys Neo75
Performance
71
65
Build quality
56
94
Productivity
54
88
Customizability
58
85
Portability
85
91

What they share

  • Hot-swappable
See every spec side by side

Full specs

Redragon CASTOR K631 Pro vs Qwertykeys Neo75 specs

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

15 of 23 specs differ

Redragon CASTOR K631 Pro

Qwertykeys Neo75

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

65%
75%

Layout standard

ANSI
ANSI, ISO

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Battery

1,600 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum, Brass, Copper, Steel

Plate material

—
Aluminum, CarbonFiber, FR4, Plastic, POM

Keycaps

ABS
ABS, PBT

Weight

470 g
2,200 g

Dimensions

40 x 309 x 104 mm
18 x 317 x 134 mm

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2024

For EU buyers

ISO layouts by store

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

Redragon CASTOR K631 Pro

No ISO layout at the stores we track.

Qwertykeys Neo75

Listed on the product, not split by store: ISO.

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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