# difference between mysq 5.1 and 5.4

**URL:** https://forums.percona.com/t/difference-between-mysq-5-1-and-5-4/1508
**Category:** Other MySQL® Questions
**Created:** [September 19, 2010, 10:53am UTC](https://forums.percona.com/t/difference-between-mysq-5-1-and-5-4/1508 "2010-09-19T10:53:49Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![yogesh77](https://avatars.discourse-cdn.com/v4/letter/y/f08c70/32.png) [@yogesh77](https://forums.percona.com/u/yogesh77)
#### Post date: [September 19, 2010, 10:53am UTC](https://forums.percona.com/t/difference-between-mysq-5-1-and-5-4/1508/1 "2010-09-19T10:53:49Z")

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what are performance differences between mysql 5.1 and 5.4, how feasible it is to upgrade existing 5,1 to 5.4?

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### Author: ![xaprb](https://avatars.discourse-cdn.com/v4/letter/x/49beb7/32.png) [@xaprb](https://forums.percona.com/u/xaprb)
#### Post date: [September 30, 2010, 10:17am UTC](https://forums.percona.com/t/difference-between-mysq-5-1-and-5-4/1508/2 "2010-09-30T10:17:59Z")

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5.1 → 5.4 performance is roughly comparable to 5.1 → Percona-5.1. If you want better performance than that, you need to look at 5.5. Most of the time, performance is more a problem of the application and the architecture, not the database.