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Head to head · Prices checked Nov 11, 2026

sam Notfromsam S46 R3 vs LUMINKEY Lumino75

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Quick verdict

Which one should you get?

Get the

sam Notfromsam S46 R3

Build quality in the top 15% of 40% boards under $150.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

LUMINKEY Lumino75

Build quality in the top 20% of 75% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • 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.

sam Notfromsam S46 R3

LUMINKEY Lumino75

  • Layout size

    40%

    75%

  • Case material

    Aluminum, Copper, Polycarbonate

    Aluminum

  • Mount style

    Top Mount

    Gasket Mount

  • Display

    None

    Yes

    A case display rather than a typing feature

  • Backlight

    RGB

    RGB, south-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • sam Notfromsam S46 R3
  • LUMINKEY Lumino75
Performance
62
68
Build quality
82
79
Productivity
60
84
Customizability
79
78
Portability
80
82

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • VIA
  • Sound dampening
  • Plate material: Polycarbonate
See every spec side by side

Full specs

sam Notfromsam S46 R3 vs LUMINKEY Lumino75 specs

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

7 of 21 specs differ

sam Notfromsam S46 R3

LUMINKEY Lumino75

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Top Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

40%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

—
4,400 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum, Copper, Polycarbonate
Aluminum

Plate material

Polycarbonate
Polycarbonate

Keycaps

—
PBT

Weight

600 g
—

Dimensions

28 x 264 x 98 mm
—

Typing angle

7°
7°

Backlight

RGB
RGB, south-facing

Firmware & software

VIA

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2026

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.

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