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Head to head · Prices checked Nov 1, 2026

FUDE EK8870 vs Redragon SPHINX K503

Get the FUDE EK8870 for hall effect and qmk.

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Quick verdict

Which one should you get?

Get the

FUDE EK8870

Hall effect

Build quality in the top 20% of 100% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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.

FUDE EK8870

Redragon SPHINX K503

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Connection

    2.4 GHz

    Wired

    Wireless for several devices and wired for lower latency

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • FUDE EK8870
  • Redragon SPHINX K503
Performance
57
76
Build quality
72
43
Productivity
77
50
Customizability
75
48
Portability
50
41

What they share

  • Layout size: 100%
See every spec side by side

Full specs

FUDE EK8870 vs Redragon SPHINX K503 specs

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

11 of 19 specs differ

FUDE EK8870

Redragon SPHINX K503

Typing & switches

Switch options

Magnetic
—

Hall effect (magnetic)

Yes
No

Sound dampening

Yes
No

Layout

Layout size

100%
100%

Layout standard

ANSI
ISO, ISO-FR

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

2.4 GHz
Wired

Build & materials

Case material

ABS
—

Keycaps

ABS
—

Weight

—
1,000 g

Dimensions

39 x 443 x 140 mm
440 x 180 x 40 mm

Backlight

None
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

No
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.

FUDE EK8870

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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FUDE EK88702 stores

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