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Comments

  • teearohwhyteearohwhy Member Posts: 1
    @greatauror28 I have the same card w Samsung memory. When you did the bios mod do all of your timing show up as 0: instead of 1: and 2: ?? I tried to copy 0:1750 to 0:2000 but dropped my hasrate way down to 4 mhs. Also dropped my other card down to 4 mhs which has me kind of baffled. Any input would be much appreciated!
  • greatauror28greatauror28 Member Posts: 119

    @greatauror28 I have the same card w Samsung memory. When you did the bios mod do all of your timing show up as 0: instead of 1: and 2: ?? I tried to copy 0:1750 to 0:2000 but dropped my hasrate way down to 4 mhs. Also dropped my other card down to 4 mhs which has me kind of baffled. Any input would be much appreciated!

    I can't recall in the Polaris Editor if they are indeed 0:1750/0:2000 or 1:1750/1:2000. What i'm sure of is that there's only one set of the straps.

    I have the 8gb Asus Dual OC Rx580 anyway (if that's not pointed out earlier).

    What are you hashing out-of-box anyway? Weird because mine hashes 24 stock then copying 1750 to 2000 gives me 27.5. After OC I was able to hit 29.5 4 DAGs earlier.
  • SamsanSamsan Member Posts: 36

    i will go to 30 mhs
  • gsmcybergsmcyber Member Posts: 2
    2x MSI RX480 Gaming X 8GB @ ethOS



    Do you think is possible to improve? I don't have access to windows on this computer :(
  • DanODanO Member Posts: 1
    edited August 18


    Hi all! my first post on this forum. I have read that 7970 card has to little memory and that's why it works at half power. But i can report that the 7970 I have mines at 23 MH/s with 2200MB of used memory. DAG #139

    Happy mining all!
  • greatauror28greatauror28 Member Posts: 119
    Blockchain drivers + Claymore 9.8 + 6x Asus Dual OC Rx580



  • KlintistwoodKlintistwood Member Posts: 139
    @Samsan 74°C with 78% fan ? That's really hot, you should be careful. I have a 1070 in my desktop computer, it goes up to 33MH and remains around 50°C. Do you have hynix memory?
  • PainmakerPainmaker Member Posts: 2
    PowerColor Red Devil RX580, Blockchain drivers and Claymore 9.8



  • greatauror28greatauror28 Member Posts: 119
    Painmaker said:

    PowerColor Red Devil RX580, Blockchain drivers and Claymore 9.8



    I'm sure with lower undervolt and lower -dcri value, you could get around 120w gpu-z power draw which is about 160w at the wall, per card.
  • PainmakerPainmaker Member Posts: 2


    I'm sure with lower undervolt and lower -dcri value, you could get around 120w gpu-z power draw which is about 160w at the wall, per card.

    HI,
    Voltage is set to -100 in MSI afterburner 16 beta. I tried to lower the drci value ( from 28 to 20), but according to gpu-z only the first card got affected by this change - the power usage dropped from ~150w to 125w, but the other 5 cards continued to use ~150w.
  • BillhingeBillhinge Member Posts: 20
    Safe 36.4 MH/s with Vega Frontier new blockchain driver at 1500 core 1080 mem, not stable at 41 but could probably get a bit more with further tweaking
  • BillhingeBillhinge Member Posts: 20
    changed to 1130/1104 and now stable at 37.4MH/s
  • greatauror28greatauror28 Member Posts: 119
    Billhinge said:

    changed to 1130/1104 and now stable at 37.4MH/s

    How many watts in the wall?

  • BillhingeBillhinge Member Posts: 20

    Billhinge said:

    changed to 1130/1104 and now stable at 37.4MH/s

    How many watts in the wall?

    No idea, I have 3 vega's to get running, as long as my electric bill is reasonable not really bothered, I intend to hold ether for next few years so what ever cost now I anticipate will be covered by ether price (i bought ether for speculation as well)
  • greatauror28greatauror28 Member Posts: 119
    Billhinge said:

    Billhinge said:

    changed to 1130/1104 and now stable at 37.4MH/s

    How many watts in the wall?

    No idea, I have 3 vega's to get running, as long as my electric bill is reasonable not really bothered, I intend to hold ether for next few years so what ever cost now I anticipate will be covered by ether price (i bought ether for speculation as well)
    Fair enough.

    Reason i'm asking is that in the Vega thread, I think nobody can do >34Mhs without pulling <250w at the wall. If that's the case, you'd keep mining with Vega if you don't pay for power.

    Or you know, you really just love having Vega despite it being the opposite of the glorious pre-launch speculations and ad.
  • skyzoomskyzoom Member Posts: 10
    @Kalmodor can you share your setting for rx 470? i have 1 with samsung mem but i only have 25,7 mh/s
  • wiktoriosswiktorioss Member Posts: 7
    hey guys! after many hours spent on trying to get most of the cards I've got it's still much below what I was expecting.
    Asrock H81 BTC
    4GB RAM
    1x Power Color RX580 Red Dragon 8GB 26.7MH/s
    1x Sapphire RX580 Nitro+ 4GB 26.1MH/s

    I'm about to give up on trying to get more hashrate out of them as nothing helps anymore, they seem to be maxed out.


  • greatauror28greatauror28 Member Posts: 119
    edited September 1

    hey guys! after many hours spent on trying to get most of the cards I've got it's still much below what I was expecting.
    Asrock H81 BTC
    4GB RAM
    1x Power Color RX580 Red Dragon 8GB 26.7MH/s
    1x Sapphire RX580 Nitro+ 4GB 26.1MH/s

    I'm about to give up on trying to get more hashrate out of them as nothing helps anymore, they seem to be maxed out.


    Do you use custom timing straps? Because OC could only get you so far.
    Btw, what are you gpu and memory clocks on those?
  • wiktoriosswiktorioss Member Posts: 7
    I have tried strap swap and some custom to GPU BIOS mods but thats where it got me

    GPU Clock: 1450 on Red Devil, 1400 on Nitro+ (if I drop the clocks it will drop hashrate)
    MEM Clock: 2200 on RD, 2000 on Nitro+ (hynix here)
  • greatauror28greatauror28 Member Posts: 119

    I have tried strap swap and some custom to GPU BIOS mods but thats where it got me

    GPU Clock: 1450 on Red Devil, 1400 on Nitro+ (if I drop the clocks it will drop hashrate)
    MEM Clock: 2200 on RD, 2000 on Nitro+ (hynix here)

    You should first check out this link:
    http://1stminingrig.com/amd-sapphire-nitro-rx-580-8gb-limited-edition-mining-rig-tutorial-190-mhs/
  • jetpackjetpack Member Posts: 43
    Used the unofficial adm driver posted by robinh00d on bitcointalk forum with windows7 and then AB 4.4.0 beta and custom strap with rx580 hynix and still doing 30.18mhs on each just AB setting of -15power 1159core 2150mem. Claymore will release another version in a few hours so that might be yet another variable but 9.8 works fine.
  • wiktoriosswiktorioss Member Posts: 7

    I have tried strap swap and some custom to GPU BIOS mods but thats where it got me

    GPU Clock: 1450 on Red Devil, 1400 on Nitro+ (if I drop the clocks it will drop hashrate)
    MEM Clock: 2200 on RD, 2000 on Nitro+ (hynix here)

    You should first check out this link:
    http://1stminingrig.com/amd-sapphire-nitro-rx-580-8gb-limited-edition-mining-rig-tutorial-190-mhs/
    I've seen it before but it's no help as his gpus are nitro+ limited edition 8gb and I have normal ones 4gb
  • greatauror28greatauror28 Member Posts: 119

    I have tried strap swap and some custom to GPU BIOS mods but thats where it got me

    GPU Clock: 1450 on Red Devil, 1400 on Nitro+ (if I drop the clocks it will drop hashrate)
    MEM Clock: 2200 on RD, 2000 on Nitro+ (hynix here)

    You should first check out this link:
    http://1stminingrig.com/amd-sapphire-nitro-rx-580-8gb-limited-edition-mining-rig-tutorial-190-mhs/
    I've seen it before but it's no help as his gpus are nitro+ limited edition 8gb and I have normal ones 4gb
    Well then you should do your own trial-and-error:
    1. Find the highest memory clock you could go until it crashes. After reboot, dial it down one step and you're good.
    2. Find the lowest core clock you can go until it starts to affect your hashrate, dial it back up one step and you're good.
    3. For core voltage, starts with -100. Then if 5 minutes have passed and it's stable, do -125. I think if you're lucky you can do -150mV but very few cards manage to be starved with that low of a voltage and still operate smoothly.

    Good luck!
  • wiktoriosswiktorioss Member Posts: 7
    Thanks for help but already gone through all this steps and the above is best result I've got. It's taking around 350W from wall so think I'll need to invest into another rx580 and hope for the best
  • wilkaswilkas Member Posts: 7



    Well then you should do your own trial-and-error:
    1. Find the highest memory clock you could go until it crashes. After reboot, dial it down one step and you're good.
    2. Find the lowest core clock you can go until it starts to affect your hashrate, dial it back up one step and you're good.
    3. For core voltage, starts with -100. Then if 5 minutes have passed and it's stable, do -125. I think if you're lucky you can do -150mV but very few cards manage to be starved with that low of a voltage and still operate smoothly.

    Good luck!

    Can I apply this to my MSI RX480 Gaming 4G with stock BIOS? Especially the part with core voltage?

  • wiktoriosswiktorioss Member Posts: 7
    wilkas said:



    Well then you should do your own trial-and-error:
    1. Find the highest memory clock you could go until it crashes. After reboot, dial it down one step and you're good.
    2. Find the lowest core clock you can go until it starts to affect your hashrate, dial it back up one step and you're good.
    3. For core voltage, starts with -100. Then if 5 minutes have passed and it's stable, do -125. I think if you're lucky you can do -150mV but very few cards manage to be starved with that low of a voltage and still operate smoothly.

    Good luck!

    Can I apply this to my MSI RX480 Gaming 4G with stock BIOS? Especially the part with core voltage?

    yeah go for it but I would advise you to search for some good mod BIOS first, I have found some at the Anorak page and then applied overclock and got my rig runing 2x 29MH/s
  • AmereumAmereum Member Posts: 6


    Using RX 580 Nitro+ 8GB
    PRIME Z270-P
    Claymore on Windows 10

    BIOS flashed and GPU tuned with Sapphire TriXX to:
    1340 GPU Clock
    2250 Memory Clock
    -96mV GPU Voltage
  • KlintistwoodKlintistwood Member Posts: 139

    10x GTX 1060, 850W at the wall (whole rig)
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