2 elements are fuzzy:
- clock speed is way different from 3.5GHz to 2.6. This can lead to huge differences in some computations and no new instruction set can compete against brute force.
- changing between those 2 cpus is not just a socket swap but a full platform change: can we get the other details of the 2 platforms ?
There is pithos [1] from the Exoscale [2] and powers the production system. A new version of the open source project with API signature v4 and other updates is due out soon.
To address your partiality to Swiss products, check out Exoscale for a similar (5$) simple experience with advanced features in Datacenters in Geneva, Zurich, Vienna and Frankfurt. https://www.exoscale.com
Snapshots and copy of those snapshots which are often offered are not true backup solutions. Then most providers tend to offer an integrated or not panel to have traditional backup agent alongside external storage capacity to copy those backups too.
[1] https://community.exoscale.com/api/sos/#s3-incompatibilities
disclaimer: co-founder at Exoscale