Bandwidth vs Capacity

When to use each in English, with meaning, register, and examples.

 BandwidthCapacity
MeaningThe amount of data that can be transmitted in a given time.How much something can hold or do.
CEFR level-B2
Part of speechnoun
Usage notesCommonly used in technology and telecommunications. May not be appropriate in casual conversations or non-technical contexts.Used in both formal and informal contexts. Common in discussions about limits or ability. Not typically used in casual conversation unless referring to space or limits.

Frequently asked questions: Bandwidth vs Capacity

What's the difference between "Bandwidth" and "Capacity"?

"Bandwidth" means: The amount of data that can be transmitted in a given time. "Capacity" means: How much something can hold or do.

When should I use "Bandwidth" and "Capacity"?

They can all be used in everyday English.