| Container | VM |
|---|---|
| Shares host kernel | Has own kernel |
| Process-level isolation | Hardware-level isolation |
| Starts in milliseconds | Starts in seconds-to-minutes |
| MBs-to-hundreds-of-MBs | GBs |
| Less strong isolation | Stronger isolation |
| Many per host | Few per host |
| Container | VM |
|---|---|
| Shares host kernel | Has own kernel |
| Process-level isolation | Hardware-level isolation |
| Starts in milliseconds | Starts in seconds-to-minutes |
| MBs-to-hundreds-of-MBs | GBs |
| Less strong isolation | Stronger isolation |
| Many per host | Few per host |