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Versus Engine

Aula F75 vs Keychron K3 HE

Specs, price and the one trade-off that actually decides it — Aula F75 against Keychron K3 HE, side by side.

Cheaper to start

Aula F75

Starts about $50.99 lower.

Rated higher

Aula F75

9.2 vs 8.8 on our design scale.

Standout

Aula F75

Gasket-mounted build and damped acoustics at $69

Aula F75

Aula F75

A $69 mechanical keyboard that undercuts the enthusiast market without Hall Effect switches.

Where it wins, where it doesn't

Pros

  • Gasket-mounted build and damped acoustics at $69
  • Makes big-brand keyboards at three times the price hard to justify
  • Low-risk entry into the custom keyboard hobby

Cons

  • No Hall Effect — no analogue or adjustable actuation
  • Not a substitute for a Wooting in competitive gaming
  • Build tolerances vary more than at premium prices

Specifications

  • ConnectivityWired USB
  • Switch typeMechanical
  • TypeKeyboard
  • Cable length1.5m
  • CompatibilityWindows, macOS, Linux
  • firmware—
  • frame_material—
  • Height100mm
  • In the boxAula F75 Keyboard, User manual
  • Key rolloverFull key rollover
  • keycap_material—
  • LayoutCompact 75% 61 Keys EN layout
  • Multimedia functionVia Fn keys
  • plate_material—
  • polling_rate—
  • profile—
  • switch_foam—
  • switches—
  • WeightApprox. 500g
  • Width290mm
Keychron K3 HE

Keychron K3 HE

Low-profile mechanical keyboard with magnetic analog (Hall effect) switches, allowing per-key actuation adjustment and analog input. Listed in this index as a setup peripheral for desk-based local AI workstations.

Where it wins, where it doesn't

Pros

  • Magnetic Hall Effect switches
  • Ultra-low profile design
  • Customizable actuation points

Cons

  • Battery life is shorter at 1000Hz polling
  • ABS keycaps on standard variants

Specifications

  • Connectivity2.4 GHz Wireless
  • Switch typeMagnetic Switch
  • Typemechanical-keyboard
  • Cable length—
  • Compatibility—
  • firmwareQMK open-source
  • frame_materialFull Metal
  • Height—
  • In the box—
  • Key rollover—
  • keycap_materialLow profile double-shot PBT
  • Layout—
  • Multimedia function—
  • plate_materialCNC aluminum
  • polling_rate8K
  • profilelow-profile
  • switch_foamPremium acoustic foams such as sound absorbing foam and latex
  • switchesmagnetic analog (Hall effect)
  • Weight—
  • Width—