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Head to head · Prices checked Nov 1, 2026

Leobog Hi65 vs Redragon SPHINX K503

Get the Leobog Hi65 for hot-swappable and knob.

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Quick verdict

Which one should you get?

Get the

Leobog Hi65

Hot-swappable

Build quality in the top 25% 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

Redragon SPHINX K503

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

Rules this board out

  • Switches are soldered. Swapping them means soldering.

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.

Leobog Hi65

Redragon SPHINX K503

  • Layout size

    65%

    100%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Knob

    Yes

    No

  • Weight

    1,230 g

    1,000 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Leobog Hi65
  • Redragon SPHINX K503
Performance
85
76
Build quality
78
43
Productivity
84
50
Customizability
75
48
Portability
91
41
See every spec side by side

Full specs

Leobog Hi65 vs Redragon SPHINX K503 specs

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

10 of 21 specs differ

Leobog Hi65

Redragon SPHINX K503

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

65%
100%

Layout standard

ANSI
ISO, ISO-FR

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

4,000 Hz
—

Battery

4,000 mAh
Wired only

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Keycaps

PBT
—

Weight

1,230 g
1,000 g

Dimensions

44 x 323 x 140 mm
440 x 180 x 40 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2025
2025

For EU buyers

ISO layouts by store

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

Leobog Hi65

No ISO layout at the stores we track.

Redragon SPHINX K503

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

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

Leobog Hi652 stores

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