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Logitech MX Master 3S (Black) — $99 · Wireless · Black
Logitech

Logitech MX Master 3S (Black)

$99 · Wireless · Black

92
/ 100
From $99
VS
Finalmouse UltralightX — $190 · Wireless
Finalmouse

Finalmouse UltralightX

$190 · Wireless

92
/ 100
From $190
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Logitech MX Master 3S (Black) lands at 92 and Finalmouse UltralightX at 92. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Logitech MX Master 3S (Black) if…

  • Modern flagship sensor
  • Lightweight for FPS
  • Good battery life

Pick Finalmouse UltralightX if…

  • Modern flagship sensor
  • Lightweight for FPS
  • Good battery life
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Sensor

Tie

Compared on the sensor sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Weight

Tie

Compared on the weight sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Shape

Tie

Compared on the shape sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Logitech MX Master 3S (Black)

Specdex score per dollar at MSRP

Logitech MX Master 3S (Black) more score per dollar ($99 vs $190).

Logitech MX Master 3S (Black) 92
vs
92 Finalmouse UltralightX

Score breakdown

Logitech MX Master 3S (Black)
92
sensor 92
weight 88
shape 86
battery 86
Finalmouse UltralightX
92
sensor 92
weight 88
shape 86
battery 86

Specs side-by-side

Logitech MX Master 3S (Black) versus Finalmouse UltralightX — full spec comparison
Spec Logitech MX Master 3S (Black) Finalmouse UltralightX
Release year
2024
2024

Logitech MX Master 3S (Black)

Pros
  • +Modern flagship sensor
  • +Lightweight for FPS
  • +Good battery life
Cons
  • Software quality varies
  • Shape fits specific hand sizes
  • Skates consumable

Finalmouse UltralightX

Pros
  • +Modern flagship sensor
  • +Lightweight for FPS
  • +Good battery life
Cons
  • Software quality varies
  • Shape fits specific hand sizes
  • Skates consumable

FAQ: Logitech MX Master 3S (Black) vs Finalmouse UltralightX

Which is better, Logitech MX Master 3S (Black) or Finalmouse UltralightX? +

Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Logitech MX Master 3S (Black) worth the price? +

At $99, Logitech MX Master 3S (Black) delivers a Specdex score of 92 — strongest in sensor.

Is Finalmouse UltralightX worth the price? +

At $190, Finalmouse UltralightX delivers a Specdex score of 92 — strongest in sensor.

Does Logitech MX Master 3S (Black) or Finalmouse UltralightX last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is the better value, Logitech MX Master 3S (Black) or Finalmouse UltralightX? +

Logitech MX Master 3S (Black) — more score per dollar ($99 vs $190). Specdex score per dollar at MSRP.