InfluxDB 3.0 has been compared to InfluxDB Open Source (OSS) 1.8 through recent benchmarks, showcasing its superior performance in various areas. InfluxDB 3.0 provides 45x better write throughput and 4.5x better storage compression compared to InfluxDB OSS, making it more efficient for given hardware resources and capable of reducing storage costs by over 90%. Additionally, InfluxDB 3.0's queries are significantly faster across various query types, with performance improvements ranging from 2.5-45x, depending on the type of query and data range. The newer version of InfluxDB also outperforms OSS in terms of data ingestion and storage size on disk, making it a more scalable and cost-effective solution for time-series data management.