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Manufacturers roll out firmware updates for GeForce GTX 1070 due to memory Issue
If you own a GeForce GTX 1070, you might want to pay attention to this news-item as you could be effected. There have been some problems reported with certain GeForce GTX 1070 cards.
After further investigation it became apparant that the issues like flickering and poor memory overclocking results on the memory sub-system are graphics memory related. GeForce GTX 1070 cards fitted with Samsung memory do not have any issues, however some manufacturers have or switched towards Micron chips, and these are the culprit of the reported issues. Especially during overclocking of the graphics memory problems will appear fast with bad results like checkerboard patterns. The problem is was found in the the speed of the voltage adjustment from the low power idle P-States to support the memory voltage requirements under load. If you can keep the idle voltage above 0.800V before you apply the overclock you never see the issue.
Some users also have reported that at default configuration they noticed the occasional odd issue like flickering or experiencing graphical artifacts. Multiple brands are and could be effected. Right now most of them are working on (or already issuing) a BIOS firmware update for the graphics cards, these BIOS updates likely increase the voltage level of the GDDR5 memory. Mind you that this only effects GeForce GTX 1070 graphics cards fitted with Micron based GDDR5 memory.
I've been doing some rounds at the manufacturers with the following info (we'll update as feedback gets in). A number of manufacturers is or have been working on VBIOS updates:
- EVGA: updates download here
- Gainward: updates download here (select card -> BIOS download)
- Palit: updates download here (select card -> download)
- MSI : Updates downloads available (check for proper card model!)
- Gigabyte: F11_Beta Update downloads available (check for proper card model!)
- ASUS downloads available (check for proper card model!)
- Inno3D: did not reply
- KFA2/Galaxy: did not reply
- PNY: did not reply
- Zotac: no info available on website - update should be out
The most easy way to check what brand of memory your GeForce GTX 1070 is using is to download GPU-Z and read out the memory type (click thumbnail below for an example). The reality is that Micron’s GDDR5 memory chips shouldn’t really be any weaker opposed to what the Samsung ICs are doing. All cards we tested here ate Guru3D.com got Samsung memory. It however is not uncommon for manufacturers to switch to another brand of memory, as they purchase them in SMT batches and yes, a selection in price is made but should not effect performance. Due to the fact that our samples have Samsung memory we have not been able to verify any instability.
Have you noticed any issues with your GTX 1070? If so, let us know in the comments of this news-itsem.
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Krimson
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#5348331 Posted on: 10/20/2016 01:42 PM
stigbeater
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#5348357 Posted on: 10/20/2016 02:24 PM
i have micron on my MSI gaming X i did find this in a redit thread
BullnBear 3 points 1 month ago
Found an explanation on an EVGA thread which might shed some light on whats going on. The comment reads as follows:
The "Micron" problem is not the Micron Ram itself but, I believe, a bug in the micron version of the bios that increases the clock speed of the Ram from a low voltage state (below .800v) faster than the VRMs can be cranked up to provide enough voltage for the memory to support the high clock speed. An overclock from low voltage states will start giving checkerboard artifacts somewhere in the +400 to +500 range.
If the voltage is already set high when you increase the slider and hit the apply button. running Kboost or locking rge voltage in afterburner, the memory will clock to +600 or better with no artifacts, of course the exact levels will depend on the individual card.
The Samsung memory either copes with the few milliseconds of voltage starvation better or the different bios version increases the voltage faster to support the memory at the high clock speeds.
i have micron on my MSI gaming X i did find this in a redit thread
BullnBear 3 points 1 month ago
Found an explanation on an EVGA thread which might shed some light on whats going on. The comment reads as follows:
The "Micron" problem is not the Micron Ram itself but, I believe, a bug in the micron version of the bios that increases the clock speed of the Ram from a low voltage state (below .800v) faster than the VRMs can be cranked up to provide enough voltage for the memory to support the high clock speed. An overclock from low voltage states will start giving checkerboard artifacts somewhere in the +400 to +500 range.
If the voltage is already set high when you increase the slider and hit the apply button. running Kboost or locking rge voltage in afterburner, the memory will clock to +600 or better with no artifacts, of course the exact levels will depend on the individual card.
The Samsung memory either copes with the few milliseconds of voltage starvation better or the different bios version increases the voltage faster to support the memory at the high clock speeds.
spine
Senior Member
Posts: 184
Joined: 2005-05-04
Senior Member
Posts: 184
Joined: 2005-05-04
#5348360 Posted on: 10/20/2016 02:25 PM
Doesn't happen with Founders Edition cards.
Maybe their value is now becoming apparent...
Doesn't happen with Founders Edition cards.
Maybe their value is now becoming apparent...
Stormyandcold
Senior Member
Posts: 5844
Joined: 2003-09-15
Senior Member
Posts: 5844
Joined: 2003-09-15
#5348362 Posted on: 10/20/2016 02:39 PM
Doesn't happen with Founders Edition cards.
Maybe their value is now becoming apparent...
There is something to be said about 1st-batch products...
Doesn't happen with Founders Edition cards.
Maybe their value is now becoming apparent...
There is something to be said about 1st-batch products...
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One thing I know we will see is that a lot of issues - aside from the actual memory problem - will be blamed on the vram. Like the game issue earlier mentioned.