# AMD Hardware GPU Questions **URL:** \ **Category:** Mining\ **Created:** [November 21, 2016, 10:55pm UTC](https://forum.zcashcommunity.com/t/amd-hardware-gpu-questions/8856 "2016-11-21T22:55:39Z")\ **Posts on this page:** 1\ **Showing post:** 8
**Author:** ![AnorakSupra](https://sea2.discourse-cdn.com/zcash/user_avatar/forum.zcashcommunity.com/anoraksupra/32/1809_2.png) [@AnorakSupra](https://forum.zcashcommunity.com/u/AnorakSupra)\ **Post date:** [November 17, 2016, 10:25am UTC](https://forum.zcashcommunity.com/t/amd-hardware-gpu-questions/8856/8 "2016-11-17T10:25:07Z")
144 Sol/s is quite ok, for a stock rom. Tweaking the memory straps improves the hashrate a little bit. But the most you get out of overclocking the core speed. I have never done any hex modification on a rom. So I am not sure about improvements there. But check this topic. Maybe this can help you. > [@Optimized vbios settings for performance / power saving](https://forum.zcashcommunity.com/t/anoraks-rx470-vbios-collection-optimized-settings-for-performance-power-saving/8347): > > Straight to the [Anoraks VBIOS Collection Downloads](https://anorak.tech/t/anoraks-vbios-collection-optimized-settings-for-performance-power-saving/13/3)! #Welcome to the Λnorak VBIOS collection This topic will help you to understand the technical ressources your hardware has, and give you the possibility to optimize mining speed, electricity usage and cooling performance. #Disclaimer Mining cryptocurrencies with your GPU puts the graphics card under heavy stress. Modifying the VBIOS to gain more performance, optimize electricity usage and cooling, will put your graphics cards to their lim… --- _[View the full topic](https://forum.zcashcommunity.com/t/amd-hardware-gpu-questions/8856)._