Mondel uses the native MongoDB Node.js driver without altering latency.
1–2 seconds is usually not caused by the library itself, but rather by connection establishment, region distance, or workers’ cold starts.
Since Hyperdrive is limited to PostgreSQL, the comparison is irrelevant.
With plain driver code, the same delay would occur. I can assist with troubleshooting if you share your setup (DB provider, region, and connection pattern).