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Benchmark: Hostim Leads PostgreSQL Writes, Hetzner Tops Reads vs AWS RDS

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A July 2026 benchmark compared PostgreSQL 16 performance across three platforms — Hostim managed Postgres, AWS RDS db.t4g.medium, and a self-hosted Hetzner CPX22 — all configured with 2 vCPU and 4 GB RAM in a central-Europe region. Hostim recorded the highest write throughput at 2,708 TPS, roughly 2.5 times that of AWS RDS and 2.1 times the default Hetzner setup. Hetzner outperformed the others on read-only workloads due to faster raw per-core CPU speed, while AWS RDS ranked slowest or near-slowest in both write and single-connection commit tests. The write performance gap was attributed largely to network-attached block storage latency on the commit path, which affects both RDS and self-hosted Hetzner. Hostim's €50/month plan includes replication and failover by default, whereas RDS and Hetzner require additional configuration and cost for high availability.

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