Signature M550 Wireless Mouse vs Logitech ERGO M575 Wireless Trackball with Smooth Tracking
The short answer
Logitech ERGO M575 Wireless Trackball with Smooth Tracking wins this comparison with a score of 50/100, ahead of Signature M550 Wireless Mouse (47).
The main differences: Sensor (Optical vs Trackball) · Buttons (3 vs 2) · Battery life (24 h vs 18 h).
Scores are computed from 4 public spec attributes; missing values stay marked unknown in tables and are imputed at the category median, never passed off as measured.
Logitech ERGO M575 Wireless Trackball with Smooth Tracking
LogitechAt a glance
0–100 per group, normalized within the category · Tap a group for details
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | |
|---|---|---|
| Performance | 61 | 77 |
| Design | 22 | 19 |
| Connect | 63 | 63 |
| Battery | 1 | 1 |
How to choose
Pick the Signature M550 Wireless Mouse if you care about…
- Buttons 3 +1 vs 2
- Battery life 24 h +6 h vs 18 h
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Where they differ
3 · Only rows that actually differ, with a verdict per row
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | Where they differ | |
|---|---|---|---|
| Sensor | Optical | Trackball | Depends |
| Buttons | 3 | 2 | Signature M550 Wireless Mouse |
| Battery life | 24 h | 18 h | Signature M550 Wireless Mouse |
The record
Grouped and collapsible · Tap a group to fold
Performance1▾
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | |
|---|---|---|
| Sensor | Optical | Trackball |
Design1▾
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | |
|---|---|---|
| Buttons | 3 | 2 |
Connect1▾
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | |
|---|---|---|
| Wired | ✓ | ✓ |
Battery1▾
| Signature M550 Wireless Mouse | Logitech ERGO M575 Wireless Trackball with Smooth Tracking | |
|---|---|---|
| Battery life | 24 h | 18 h |
Data sources: Amazon
FAQ
Which is better, Signature M550 Wireless Mouse or Logitech ERGO M575 Wireless Trackball with Smooth Tracking?
Logitech ERGO M575 Wireless Trackball with Smooth Tracking has the higher overall score (50 vs 47). Choose Signature M550 Wireless Mouse instead if Buttons matters more to you.
What are the main differences?
The main differences: Sensor (Optical vs Trackball) · Buttons (3 vs 2) · Battery life (24 h vs 18 h).
How are the scores calculated?
We normalize 4 public spec attributes within the category and weight them by group into a 0–100 score; missing values are inherited from spec-identical twins or imputed at the category median, so a sparse spec sheet never earns an advantage. The methodology is public.