# Has anybody run ES cluster on AWS using either is4gen or im4gn? vs say i4i?

**URL:** <https://discuss.elastic.co/t/has-anybody-run-es-cluster-on-aws-using-either-is4gen-or-im4gn-vs-say-i4i/319249>\
**Category:** Elasticsearch\
**Created:** [November 17, 2022, 11:06pm UTC](https://discuss.elastic.co/t/has-anybody-run-es-cluster-on-aws-using-either-is4gen-or-im4gn-vs-say-i4i/319249 "2022-11-17T23:06:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![linkerc](https://avatars.discourse-cdn.com/v4/letter/l/13edae/32.png) [@linkerc](https://discuss.elastic.co/u/linkerc)\
**Post date:** [November 17, 2022, 11:06pm UTC](https://discuss.elastic.co/t/has-anybody-run-es-cluster-on-aws-using-either-is4gen-or-im4gn-vs-say-i4i/319249/1 "2022-11-17T23:06:55Z")

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I'm curious if there's any performance difference.  
Since these are all storage optimized instance. I'm mainly curious about ARM vs Intel performance delta.  
We are mostly write heavy. Something like 80+% write vs read.  
Any pointer will be highly appreciated.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 15, 2022, 11:07pm UTC](https://discuss.elastic.co/t/has-anybody-run-es-cluster-on-aws-using-either-is4gen-or-im4gn-vs-say-i4i/319249/2 "2022-12-15T23:07:43Z")

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