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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The other difference is memory, your t2.micro instance has 1GB memory whereas the c6g.medium has 2GB of memory allocated, which also increases the price. Then there is the CPU architecture which is ARM, which won't be able to run x86 compiled applications natively and some applications will need to be recompiled specifically to run successfully.

Overall we are happy with performance, compared to old stack we are at around 10% of the cost and I think our savings was more than 2x compared to x86 after locking in some rates. R6gd.metal (16x) vs R5d.metal (24x)

The other difference is memory, your t2.micro instance has 1GB memory whereas the c6g.medium has 2GB of memory allocated, which also increases the price. Then there is the CPU architecture which is ARM, which won't be able to run x86 compiled applications natively and some applications will need to be recompiled specifically to run successfully.

The other difference is memory, your t2.micro instance has 1GB memory whereas the c6g.medium has 2GB of memory allocated, which also increases the price. Then there is the CPU architecture which is ARM, which won't be able to run x86 compiled applications natively and some applications will need to be recompiled specifically to run successfully.

The other difference is memory, your t2.micro instance has 1GB memory whereas the c6g.medium has 2GB of memory allocated, which also increases the price. Then there is the CPU architecture which is ARM, which won't be able to run x86 compiled applications natively and some applications will need to be recompiled specifically to run successfully.