What is your BIOS name for your newer cards? Is it *****-212 ?
I got a few in Sept/Oct and they were the 210 revision and had them running all at 2000Mhz memclock.
Later bought some more with 212 revision and these also run at 2000Mhz memclock but the ASIC quality isn’t as good (65%) and they need more voltage.
Now however almost half of these cards need to run at 1950mhz or they get crazy amount of incorrect shares. Both revisions. I think its because as the DAG gets larger the VRAM chips get more unstable.
Yes, these new ones were 212 revs.
What is your memory VDDCI for all of them? 1V?
All of my 210 rev cards with hynix memory can run at least 950mv and 1950mhz. I have a couple that are stable at 900mv and 2000mhz, and a couple that are 920mv and 1980mhz.
Of these 4 new 212 rev cards, I finally ended up with…
mem 925mv/1880mhz mem 950mv/1880mhz mem 950mv/1870mhz mem 950mv/1910mhz
First, I found what my maximum memory clock could be at 1.0v. Then I started undervolting 25mv at a time until it was unstable. So I cant run at 1.0v and get more mem clock out of them even if I wanted to, and I pay for electricity so overvolt is not an option.
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Jr. Member Offline
Activity: 46
The current production rx 470 4gb, I specifically was able to source the lots for samsung ram, unfortunately I still ended up with a mix of Elpida and Samsung ram on the 4gb version as the date code doesn’t necessarily mean it will be one type or another. I have much fewer elpida than i do have Samsung though.
Newbie Offline
Activity: 23
I have 24 of the MSI 470s and they are my favorites, I actually prefer them over the Sapphire 480/8GB variants which I have as well.
My latest batch of MSI 470s (4GB) have Samsung memory. You didn’t take the 1500 strap and copy it up and expect it to clock at 2k on Samsung memory did you?
On my MSI 470s with Samsung VRAM I copied the 1750 strap to the 2000 range and I am running them at 1150/2100 and I am getting 29.3Mh/s out of them rock stable.
Legendary Offline
Activity: 1070
what is this “brake pedal” you speak of?
I have 24 of the MSI 470s and they are my favorites, I actually prefer them over the Sapphire 480/8GB variants which I have as well.
My latest batch of MSI 470s (4GB) have Samsung memory. You didn’t take the 1500 strap and copy it up and expect it to clock at 2k on Samsung memory did you?
On my MSI 470s with Samsung VRAM I copied the 1750 strap to the 2000 range and I am running them at 1150/2100 and I am getting 29.3Mh/s out of them rock stable.
hmm i messed up then. have a powercolor 470 4 gb red devil dragon single fan 470 with samsung mem. copied the 1500 strap up (oops) and run it at 1300/1850 for 26.5 mhs. mining eth.
gonna redo it with the 1750 strap and run the mem up to 2000 or so and see what happens.
Member Offline
Activity: 74
I have 24 of the MSI 470s and they are my favorites, I actually prefer them over the Sapphire 480/8GB variants which I have as well.
My latest batch of MSI 470s (4GB) have Samsung memory. You didn’t take the 1500 strap and copy it up and expect it to clock at 2k on Samsung memory did you?
On my MSI 470s with Samsung VRAM I copied the 1750 strap to the 2000 range and I am running them at 1150/2100 and I am getting 29.3Mh/s out of them rock stable.
hmm i messed up then. have a powercolor 470 4 gb red devil dragon single fan 470 with samsung mem. copied the 1500 strap up (oops) and run it at 1300/1850 for 26.5 mhs. mining eth.
gonna redo it with the 1750 strap and run the mem up to 2000 or so and see what happens.
Dont waste your time. You wont be happy with the performance if you copy 1750 straps on a 470 4gb…. I’ve tried it… gives like 24mhs. Only 1750 straps if you have 480s and overclocking like 2250+.
Member Offline
Activity: 74
Just received a replacement MSI 470g4. It has a new 213 bios now. And strangely, the Powertune settings have changed
210 BIOS Powertune TDP 85w TDA 125w Max 150w
212 BIOS Powertune TDP 85w TDA 125w Max 150w
213 BIOS Powertune TDP 85w TDA 107w <==== HERE max 110 w <==== HERE
Not sure what impact the 107 and 110 have… I was able to set this new card at 1130mhz/900mv core and 1950mhz/925mv mem as my first try and it is stable there, even with those lower Powertune figures.
I took some of the 212 BIOS that have 125/150 powertunes and moved them down to 107/110w to see if it lowered my TDP at the wall…. it did not (at least on ZEC mining). I’ll give ETH+DCR dual mining a shot and see if my TDP is lower at the wall.
Newbie Offline
Activity: 23
I have 24 of the MSI 470s and they are my favorites, I actually prefer them over the Sapphire 480/8GB variants which I have as well.
My latest batch of MSI 470s (4GB) have Samsung memory. You didn’t take the 1500 strap and copy it up and expect it to clock at 2k on Samsung memory did you?
On my MSI 470s with Samsung VRAM I copied the 1750 strap to the 2000 range and I am running them at 1150/2100 and I am getting 29.3Mh/s out of them rock stable.
hmm i messed up then. have a powercolor 470 4 gb red devil dragon single fan 470 with samsung mem. copied the 1500 strap up (oops) and run it at 1300/1850 for 26.5 mhs. mining eth.
gonna redo it with the 1750 strap and run the mem up to 2000 or so and see what happens.
Dont waste your time. You wont be happy with the performance if you copy 1750 straps on a 470 4gb…. I’ve tried it… gives like 24mhs. Only 1750 straps if you have 480s and overclocking like 2250+.
Read the entire post, which you just quoted…..
You can’t treat Hynix memory and Samsung memory the same. RX 470s 4GB are available with both, I actually own MSI RX 470 4GBs with both. You cannot use 1500 straps on Samsung memory and expect to run at 2000+ as the factory timings are much tighter on Samsung memory. My MSI RX 470/4GB with Samsung memory easily achieve 29.3Mh/s at 1150/2100.
For Hynix based cards, use the 1500 strap, for Samsung based cards use the 1750 strap.
Legendary Offline
Activity: 1070
what is this “brake pedal” you speak of?
I have 24 of the MSI 470s and they are my favorites, I actually prefer them over the Sapphire 480/8GB variants which I have as well.
My latest batch of MSI 470s (4GB) have Samsung memory. You didn’t take the 1500 strap and copy it up and expect it to clock at 2k on Samsung memory did you?
On my MSI 470s with Samsung VRAM I copied the 1750 strap to the 2000 range and I am running them at 1150/2100 and I am getting 29.3Mh/s out of them rock stable.
hmm i messed up then. have a powercolor 470 4 gb red devil dragon single fan 470 with samsung mem. copied the 1500 strap up (oops) and run it at 1300/1850 for 26.5 mhs. mining eth.
gonna redo it with the 1750 strap and run the mem up to 2000 or so and see what happens.
Dont waste your time. You wont be happy with the performance if you copy 1750 straps on a 470 4gb…. I’ve tried it… gives like 24mhs. Only 1750 straps if you have 480s and overclocking like 2250+.
well, scrapped the 1500 straps at 1850 for 26 mhs and went to the 1750 straps @ 2100 and got me 28.8 – 29.1 mhs. 1150/2100 -75mv. so no complaints here. samsung memory, 4 gb 470. stock was 23 mhs. @rjg, @christian088, thanks for the info on that, netted me a few more mhs
@dallas, what memory did your 470 have?
Legendary Offline
Activity: 1162
I got two MSI RX 480 4GB cards and in less than a week now the garbage RAM they used is fried on both cards within hours of each other. The 8GB cards with Samsung RAM are all ok so far.
I hope the store takes them back.
edit:
and the store refused so RMA time…
edit 2.1:
So I did the RMA and now I’ve got no money, no hardware and a promise to call me in “two weeks”. At least Black Arrow promised me “next week” (Its been over three years now) when I made my ASIC pre-order.
Published at Wed, 05 Apr 2017 17:06:03 +0000
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