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You want a modern, well-maintained algorithm optimized for 64-bit systems. Use MD5 if:
A non-cryptographic hash. While it isn't "broken" in the same way MD5 is, it was never meant to resist malicious attacks. However, its dispersion and randomness (passing the SMHasher test suite) are actually superior to MD5 for general data distribution. Collision Resistance xxhash vs md5
This is where the two diverge sharply. MD5 was designed to be relatively fast for its time, but it cannot compete with modern algorithms optimized for modern CPUs. You want a modern, well-maintained algorithm optimized for
In the battle of , xxHash is the clear winner for almost every modern technical application. It is significantly faster, passes more rigorous randomness tests, and is better suited for high-throughput environments. Unless you are forced to use MD5 by a legacy requirement, xxHash (specifically XXH3 or XXH64) is the superior choice. However, its dispersion and randomness (passing the SMHasher
MD5 (Message-Digest Algorithm 5) was designed in 1991 by Ronald Rivest. For decades, it was the gold standard for verifying file integrity and storing passwords. 128-bit hash value.