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Red flags: - Tests Postgres 16, not 18. - Uses t4 burst instances in AWS, shared CPU in Hetzner. - Test fits in memory. - Fails to say if load generator is in same AZ. - Says their own service "includes a standby and automatic failover" but their docs do not describe this feature or its details. - Says to treat on-demand AWS EC2 price as the floor, does not consider savings plan. - Their own service describes automatic backups as a potential future feature.

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There are various differences, but the price differences are incredibly stark and what the article is really about.

Most optimistic AWS bill: $48 list price (and $300 effective price, because neither storage nor network traffic is included in $48) (and, to add insult to injury, AWS is obviously not giving you the same bandwidth as an actual disk, not even half of it, about one third)

Most optimistic Hetzner bill: 19.49 euro (including storage, yes, without backup, including network traffic), 40 with redundancy.

And even though AWS comes with some redundancy by default, for actual redundancy you need a double deployment (or $600 per month)

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