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Head to head · Prices checked Oct 23, 2026

KEEBD Contra vs Redragon SPHINX K503

Get the KEEBD Contra for screw-in stabilizers. Get the Redragon SPHINX K503 for n-key rollover.

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.

KEEBD Contra

Redragon SPHINX K503

  • Layout size

    40%

    100%

  • Layout standard

    ANSI

    ISO, ISO-FR

  • Screw-in stabilizers

    Yes

    No

  • Backlight

    None

    RGB

  • N-key rollover

    No

    Yes

KeebFinder scores

How we score
  • KEEBD Contra
  • Redragon SPHINX K503
Performance
55
77
Build quality
41
43
Productivity
48
50
Customizability
53
48
Portability
60
41
See every spec side by side

Full specs

KEEBD Contra vs Redragon SPHINX K503 specs

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

6 of 14 specs differ

KEEBD Contra

Redragon SPHINX K503

Typing & switches

Switch options

Tactile
—

Screw-in stabilizers

Yes
No

Layout

Layout size

40%
100%

Layout standard

ANSI
ISO, ISO-FR

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

—
Wired

Build & materials

Case material

Acrylic, Plastic
—

Plate material

FR4
—

Weight

—
1,000 g

Dimensions

—
440 x 180 x 40 mm

Backlight

None
RGB

Firmware & software

N-key rollover

No
Yes

Extras

Released

2021
2025

Where to buy

Compare prices

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

KEEBD Contra2 stores
  • KEEBDAU

    In stock
    $25Visit
  • AmazonGlobal

    Check price
    ~$25Visit
  • RedragonCN

    In stock
    $30Visit
  • AmazonGlobal

    Check price
    ~$30Visit

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.

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