# DMIPS/MHz for FU540

**URL:** <https://forums.sifive.com/t/dmips-mhz-for-fu540/4464>\
**Category:** HiFive Unleashed\
**Created:** [February 16, 2021, 5:01am UTC](https://forums.sifive.com/t/dmips-mhz-for-fu540/4464 "2021-02-16T05:01:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Ankita020696](https://avatars.discourse-cdn.com/v4/letter/a/4da419/32.png) [@Ankita020696](https://forums.sifive.com/u/Ankita020696)\
**Post date:** [February 16, 2021, 5:01am UTC](https://forums.sifive.com/t/dmips-mhz-for-fu540/4464/1 "2021-02-16T05:01:18Z")

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Hi,  
What is DMIPS/MHz number for FU540?

Thanks

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**Author:** ![bruce](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.sifive.com/bruce/32/452_2.png) [@bruce](https://forums.sifive.com/u/bruce)\
**Post date:** [February 16, 2021, 7:26am UTC](https://forums.sifive.com/t/dmips-mhz-for-fu540/4464/2 "2021-02-16T07:26:49Z")

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MicroChip’s docs for the PolarFire SoC (the only place you can buy an FU540 right now) say 1.714.

[https://onlinedocs.microchip.com/pr/GUID-8CA810D1-5A91-4A25-B308-E300BB856CF7-en-US-2/index.html](https://onlinedocs.microchip.com/pr/GUID-8CA810D1-5A91-4A25-B308-E300BB856CF7-en-US-2/index.html)

SiFive’s page on the U54 core quotes 1.7, or 2.87 with more compiler optimization than is strictly allowed.

> **[U54 - SiFive](https://www.sifive.com/cores/u54)**
>
> The single-core U54 RISC-V Standard Core is ideal for low-cost Linux applications such as IoT nodes and gateways, point-of-sale, and networking.