i have the same sapphire nitro+ rx 570 8gb card and i can push it to 28.1 if i set cpu core to 1340, mem to 2000 for about 127W. i choose to do 27.3mh/s with 1100 core, 2000 mem for about 83W
i try to push pass 2000 Mhz but i have too many gpu memory error
i think the Hynix batch we have on this card is not very good
Mattthev have good memory timing for this card for reasonable price
Update: changing option -asm 2 in claymore v10 change my hashrate from 27.3 to 28.5 and i think i can fine tuneit a little but more with +dcri option
Topic: Sapphire nitro 570 8gb questions (Read 389 times)
I have 580 Nitros 8GB Hynix in my rig and I used a timing strap from a 480 4GB hynix card which was much more aggressive. It also worked very well in my 580 Giga Gaming 8GB hynix cards too.
777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB0300000 01B162C31C0313F17
I've pasted it above if you want to try it or see if maybe you already have it on (as it is floating around the net everywhere as the best hynix strap to use (if you want to google it if you don't trust me))
Only use if 400/500 series cards with Hynix type memory and only ever change the top two fields (2:2000-2:2250 or your card's equiv) to avoid any possibility of bricking your card.
Also, make sure you are using the AMD blockchain drivers. They make a huge difference for the 400/500 series cards.
This strap is not from any hynix memory. I know from wich memory they are. But you can open any 480 4Gb bios with hynix memory and you will see these straps:777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB0300000 01B162C31C0313F17
I've pasted it above if you want to try it or see if maybe you already have it on (as it is floating around the net everywhere as the best hynix strap to use (if you want to google it if you don't trust me))
Only use if 400/500 series cards with Hynix type memory and only ever change the top two fields (2:2000-2:2250 or your card's equiv) to avoid any possibility of bricking your card.
Also, make sure you are using the AMD blockchain drivers. They make a huge difference for the 400/500 series cards.
1625 - 999000000000000022559D0010DE7B4480551312B78C450A004C0601750414206A8900A00200312 018112D34A42A3816
1750 - 999000000000000022559D0031627C489055131339CDD50A004C06017D0514206A8900A00200312 019123037AD2C3A17
2000 - BBB000000000000022889D0073EE8D53805515133ECF560C004E26017E0514206A8900A00200312 01C143840C5303F17
So does anyone have a good bios for these sapphire nitro 570 8gbs. Hynix ram I can't get past 27.5. I have tried a few custom straps but I can't get past 27.5 anybody else have these?
For my 4gb nitro+ on hynix im using this mod.
https://ufile.io/6po61
Make a backup of your original before applying those
Cheers!
I have 580 Nitros 8GB Hynix in my rig and I used a timing strap from a 480 4GB hynix card which was much more aggressive. It also worked very well in my 580 Giga Gaming 8GB hynix cards too.
777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB0300000 01B162C31C0313F17
I've pasted it above if you want to try it or see if maybe you already have it on (as it is floating around the net everywhere as the best hynix strap to use (if you want to google it if you don't trust me))
Only use if 400/500 series cards with Hynix type memory and only ever change the top two fields (2:2000-2:2250 or your card's equiv) to avoid any possibility of bricking your card.
Also, make sure you are using the AMD blockchain drivers. They make a huge difference for the 400/500 series cards.
777000000000000022AA1C00B56A6D46C0551017BE8E060C006AE6000C081420EA8900AB0300000 01B162C31C0313F17
I've pasted it above if you want to try it or see if maybe you already have it on (as it is floating around the net everywhere as the best hynix strap to use (if you want to google it if you don't trust me))
Only use if 400/500 series cards with Hynix type memory and only ever change the top two fields (2:2000-2:2250 or your card's equiv) to avoid any possibility of bricking your card.
Also, make sure you are using the AMD blockchain drivers. They make a huge difference for the 400/500 series cards.
So does anyone have a good bios for these sapphire nitro 570 8gbs. Hynix ram I can't get past 27.5. I have tried a few custom straps but I can't get past 27.5 anybody else have these?
If you only copy straps from lower to higher, you won't get far... The Hynix timing in PBE should be better, but it can be even better. 
Use the Polaris Bios Editor v1.62 'one click timing patch'. It works great with all my Sapphire Cards. That with -96 mV undervolt, power limit -15%, 1150 MHz core, 2000 MHz memory should get you to ~29.5 MH/s and 750 MH/s DCR dual mining.
https://github.com/jaschaknack/PolarisBiosEditor
https://github.com/jaschaknack/PolarisBiosEditor
So does anyone have a good bios for these sapphire nitro 570 8gbs. Hynix ram I can't get past 27.5. I have tried a few custom straps but I can't get past 27.5 anybody else have these?
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