When placed side by side, the Logitech MX Master 3S and Index Card 3×5 reveal a clear story. In terms of height, the Logitech MX Master 3S stands at 124.9 mm while the Index Card 3×5 measures 127.0 mm. The Index Card 3×5 is 2.1 mm taller. Looking at width, the Logitech MX Master 3S is 61.0 mm across versus the Index Card 3×5's 76.2 mm. The Index Card 3×5 is 15.2 mm wider. For thickness, the Logitech MX Master 3S comes in at 43.0 mm compared to the Index Card 3×5's 0.2 mm. The Logitech MX Master 3S is 42.8 mm thicker.
| Metric | Logitech MX Master 3S | Index Card 3×5 | Diff |
|---|---|---|---|
| Width | 61.0 mm | 76.2 mm | -15.2 mm |
| Height | 124.9 mm | 127.0 mm | -2.1 mm |
| Depth | 43.0 mm | 0.2 mm | +42.8 mm |
| Weight | 141 g | N/A | - |