# \#performance **URL:** https://forum.solana.com/tag/performance/21.md [Latest](https://forum.solana.com/latest.md) · [Categories](https://forum.solana.com/categories.md) · [Tags](https://forum.solana.com/tags.md) --- ## [BLAKE3 slower than SHA-256 for small inputs](https://forum.solana.com/t/blake3-slower-than-sha-256-for-small-inputs/829)
**Author:** [@ripatel-jump](https://forum.solana.com/u/ripatel-jump)\ **Replies:** 2\ **Last updated:** [December 28, 2023, 1:14am UTC](https://forum.solana.com/t/blake3-slower-than-sha-256-for-small-inputs/829 "2023-12-28T01:14:58Z")
Summary As of 2023-Dec, when comparing the fastest widely available BLAKE3 and SHA-256 implementations, BLAKE3 features worse throughput on x86\_64 for message sizes up to ~4kB. This is due to the fact that libraries for…