When placed side by side, the Index Card 3×5 and Bose QuietComfort Ultra reveal a clear story. In terms of height, the Index Card 3×5 stands at 127.0 mm while the Bose QuietComfort Ultra measures 153.0 mm. The Bose QuietComfort Ultra is 26.0 mm taller. Looking at width, the Index Card 3×5 is 76.2 mm across versus the Bose QuietComfort Ultra's 191.0 mm. The Bose QuietComfort Ultra is 114.8 mm wider. For thickness, the Index Card 3×5 comes in at 0.2 mm compared to the Bose QuietComfort Ultra's 81.0 mm. The Bose QuietComfort Ultra is 80.8 mm thicker.
| Metric | Index Card 3×5 | Bose QuietComfort Ultra | Diff |
|---|---|---|---|
| Width | 76.2 mm | 191.0 mm | -114.8 mm |
| Height | 127.0 mm | 153.0 mm | -26.0 mm |
| Depth | 0.2 mm | 81.0 mm | -80.8 mm |
| Weight | N/A | 254 g | - |