Cloud Mercato tested CPU performance using a range of encryption speed tests:
Cloud Mercato's tested the I/O performance of this instance using a 100GB General Purpose SSD. Below are the results:
I/O rate testing is conducted with local and block storages attached to the instance. Cloud Mercato uses the well-known open-source tool FIO. To express IOPS the following parametersare used: 4K block, random access, no filesystem (except for write access with root volume and avoidance of cache and buffer.
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Amazon EC2 C7g instances are powered by Arm-based AWS Graviton3 processors. They deliver the best price performance in Amazon EC2 for compute-intensive applications.

In my experience btw, the c7g family really seems to be closing the gap in single-threaded performance with x86-based instances.

In my experience btw, the c7g family really seems to be closing the gap in single-threaded performance with x86-based instances.

In my experience btw, the c7g family really seems to be closing the gap in single-threaded performance with x86-based instances.