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[Official] NVIDIA GTX 1070 Owner's Club - Page 380

post #3791 of 9393
I think I broke Firestrike, look at these GPU Core and Memory clocks

Also my EVGA 1070 FTW doesn't do more than +100MHz on the Core and +200MHz on the Memory, a little disappointed but still a great card.

http://www.3dmark.com/3dm/15108207?
post #3792 of 9393
Hi @"GamerSX" wink.gif

After you already accused someone else to be me, I thought it is time to come in person. Lets see if I "can't pull that BS here."
Quote:
Originally Posted by MyNewRig 
I am talking specifically about Micron's GDDR5 which has a maximum data rate of 8.0 Gb/s

According to its datasheet found here https://www.micron.com/products/datasheets/65c410ee-af9c-4d6f-b35b-595ce11150c4

Micron GDDR5 operate at data rates of 6.0 Gb/s, 7.0 Gb/s, 8.0 Gb/s (MAX)

8.0 Gb/s being the maximum rated for this memory which could explain why there is no headroom left because at stock settings the memory is already pushed to its limit.

Interesting, but let's take a look at the specifications of the Samsung memory used for the 1070.

From Samsungs website: "GDDR5 can achieve a data rate of up to 7 Gb/s per pin which translates to 32 GB/s for the complete memory chip. This is 2.7 times faster than GDDR3’s 2.6 Gb/s per pin and 10.4 GB/s."

Source:http://www.samsung.com/semiconductor/products/dram/graphic-dram/

wink.gif But don't panic jet, because Samsung sells itself short here.
The Memory that the 1070 FE uses is the K4G80325FB-HC25 chips from Samsung, which is indeed a 8GB/s chip or in other words a chip that has the exactly same data rate specification as the Micron Memory you mentioned here has.

Source:
http://wccftech.com/nvidia-pascal-gp104-gpu-leaked/
https://tech4gamers.com/nvidia-geforce-gtx-1080-gtx-1070-will-use-gddr5-memory/
https://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_1070/4.html

Quote:
Originally Posted by MyNewRig 
If the same Micron GDDR5 chips were used on a 7 Gb/s rated GPU it would have been great, very stable and would have an amazing OC headroom left ..

So please understand that the way they have used these Micron GDDR5 modules is bad and makes it of a much lower quality standards than Samsung's GDDR5 which appear to support up to 9 Gb/s and so it has that great headroom and stability ..

No it doesn't, it supports the same data rate and is specified for 2000Mhz ram clock
Plus there is Overclocking headroom at the micron Ram, something others and I already proved to you.
Now it appears that the Samsung memory can achieve higher clocks on the same voltage than the Micron ram, but the micron ram can achieve at least decent OC results if you lock the voltage.

And that is one more indicator that the ram itself is not the problem.

Quote:
Originally Posted by MyNewRig 
If you imagine that the highest binned GTX 1070 cards like the MSI Gaming Z, EVGA FTW, Asus Strix OC, Zotac AMP! Extreme, Gigabyte Xtreme, have all switched to Micron's lower quality chips when on other parts of the cards they are using premium components you will realize this whole thing must be orchestrated by NVIDIA as a direct design change to downgrade the GTX 1070 ..

Quote:
Originally Posted by MyNewRig 
After thinking about it a bit more, it looks like Samsung's GDDR5 memory was of a much higher quality and headroom than Nvidia liked them to be, to position the GTX 1070 in a certain performance category compared to its GTX 1080 and other products in its lineup, so they have downgraded the card to cap its memory performance for business reasons, but can't publicly announce what they have done.


That was BS as you posted it the first time and it is BS now.
The 1070 could never reach a 1080 with it's micron GDDR5X memory, no matter how much you overclock the card.

The 1070 with Samsung and Micron memory do not preform differently on stock clocks, they are both on the same, pretty impressive level.

And tell me again how business could be a reason?
Downgrading one card on purpose, (what factually did not happen, see above) a card that never would reach a 1080 anyway is a good business decision?

Plus the evil Nvidia guys don't do this at release, they do it later, so that the overwhelming majority of the people, who look at benchmarks to decide which card they buy don't notice it.
Yes, that sounds like a good plan...
Edited by Roland0101 - 9/27/16 at 4:33pm
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post #3793 of 9393
Quote:
Originally Posted by Exenth View Post

I think I broke Firestrike, look at these GPU Core and Memory clocks

Also my EVGA 1070 FTW doesn't do more than +100MHz on the Core and +200MHz on the Memory, a little disappointed but still a great card.

http://www.3dmark.com/3dm/15108207?
It says ur clocks are 2300 something. Its a ftw it's prob close to it's limit stock.
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post #3794 of 9393
Welcome! Roland0101; I have been following this whole thing and it seems like an interesting argument, well more informative to me. Thanks for dropping by and great post by the way.
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post #3795 of 9393
Quote:
Originally Posted by ITAngel View Post

Welcome! Roland0101; I have been following this whole thing and it seems like an interesting argument, well more informative to me. Thanks for dropping by and great post by the way.

Thanks for the warm welcome ITAngel.
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post #3796 of 9393
Micron has power save feature mem voltage, 1.5V and 1.35V.


While Samsung memory seems not: wink.gif


that might be the culprit, why 'overclocking' the memory vram less stable on micron.

http://www.samsung.com/us/samsungsemiconductor/pdfs/PSG_1H_2016.pdf
https://www.micron.com/resource-details/63c49896-86ea-4067-80e8-46635707233f

If you want faster memory vram, better buy card that has GDDR5X, or wait in 2018 with Samsung GDDR6 14-16 Gbps.
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post #3797 of 9393
Quote:
Originally Posted by HOODedDutchman View Post

Both cards are Samsung memory. Also I was informed the card I grabbed today wasn't the old stock but just came in last week. I have a feeling gigabyte made a bunch of these wf2 cards to start and haven't made anymore as I've seen them go out of stock at a few stores and never come back. Might be a good bet to try one of these. I mean I'm 2 for 2 3 months apart on the Samsung memory.

Good looking setup. thumb.gif
Quote:
Originally Posted by Roland0101 View Post


That was BS as you posted it the first time and it is BS now.
The 1070 could never come close to a 1080 with it's micron GDDR5X memory, no matter how much you overclock the card.

The 1070 with Samsung and Micron memory do not preform differently on stock clocks, they are both on the same, pretty impressive level.

And tell me again how business could be a reason?
Downgrading one card on purpose, (what factually did not happen, see above) a card that never would reach a 1080 anyway is a good business decision?

Plus the evil Nvidia guys don't do this at release, they do it later, so that the overwhelming majority of the people, who look at benchmarks to decide which card they buy don't notice it.
Yes, that sounds like a good plan...

Welcome.

I believe that the GTX 1070 is the first X70 card that couldn't overclock and match the stock performance of the X80 card of the same generation. And that's when using the Samsung memory. His whole conspiracy theory for that being the reason for the memory change is so freaking silly! The 1070 was never able to get close to the performance of the 1080, so there was no need to "secretly" change to Micron memory to cripple performance... lol

https://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_1070/27.html
https://www.techpowerup.com/reviews/MSI/GTX_970_Gaming/30.html
Edited by criminal - 9/27/16 at 1:46pm
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post #3798 of 9393
derp
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post #3799 of 9393
Quote:
Originally Posted by zipper17 View Post

Micron has power save feature mem voltage, 1.5V and 1.35V.


While Samsung memory seems not: wink.gif


that might be the culprit, why 'overclocking' the memory vram less stable on micron.

http://www.samsung.com/us/samsungsemiconductor/pdfs/PSG_1H_2016.pdf
https://www.micron.com/resource-details/63c49896-86ea-4067-80e8-46635707233f

If you want faster memory vram, better buy card that has GDDR5X, or wait in 2018 with Samsung GDDR6 14-16 Gbps.
Very good finding thumb.gif
Thank you!
Could you please share your feedback on the GeForce forum issue thread:
https://forums.geforce.com/default/topic/963768/geforce-drivers/gtx-1070-memory-vrm-driver-or-bios-bug-in-micron-memory-1070-cards-/13/
post #3800 of 9393
Quote:
Originally Posted by zipper17 View Post

Micron has power save feature mem voltage, 1.5V and 1.35V.
http://www.overclock.net/content/type/61/id/2879973/

While Samsung memory seems not: wink.gif
http://www.overclock.net/content/type/61/id/2879974/

that might be the culprit, why 'overclocking' the memory vram less stable on micron.

http://www.samsung.com/us/samsungsemiconductor/pdfs/PSG_1H_2016.pdf
https://www.micron.com/resource-details/63c49896-86ea-4067-80e8-46635707233f

If you want faster memory vram, better buy card that has GDDR5X, or wait in 2018 with Samsung GDDR6 14-16 Gbps.

That is a really good point. It might be very well the culprit.
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