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