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*** AMD "Zen" thread (inc AM4/APU discussion) ***

Only looked at a few results but for me the biggest disappointment for me is the memory compatibility. If bios updates can get stability with 3000-3200MHz RAM it seems the biggest weakness can be turned around. Most of the gaming results I have seen are with 2666MHz which show lower FPS then Intel's 7700k but saw one with Intel and Ryzen both on 3000MHz with the 1700 at 3.9GHz and the 7700k at 5GHz and the results were even. Lets hope board manufactures and AMD can improve on this and for me Ryzen will be much more attractive.
 
KrisWragg said:
It is entirely possible that some games have been compiled with the Intel compiler (we use this at work) and it will create specific code branches in the executable that are only for Intel compilers. So if that's the case there is nothing AMD can do about that other than convince them to use a more generic compiler like GCC or MS compiler.
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Well lets be honest we can't blame them given it's been all intel for a good few years, but yes it was a bit tongue in cheek
 
TwsT said:
Well lets be honest we can't blame them given it's been all intel for a good few years, but yes it was a bit tongue in cheek
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Totally agree, when we switched from MS compiler to Intel compiler we saw improvements from 20% to 300% depending on the simulation we ran with our software. Given we found only one customer using AMD on an old laptop and most of our clients use Xeon servers we didn't really care if one user got potentially less performance compared with using MS compiler. I'm sure plenty of game devs have been in the same position.

Then again, I would assume that given the consoles are using AMD chips they could be deterred from this and switch on PC's from doing so, if they are. I'm not entirely sure if there is a way to check an executable if it was built with Intel compiler, I would guess you could disassemble it and look for the path splits and the checks on them.
 
N19h7m4r3 said:
Where is that coming from?

All I see is that Lisa is stating the games are optimized for Intel's tech; and considering how long Intel has been the only company really in the game I can see that being true.

Lets not forget that Intel's HT also had issues with some games when it first came out; where disabling HT in games also helped.
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Which is why it boggles my mind AMD PR was oblivious to it.

I thought reviews were meant to place your products in the best light.

With AMD,not so much.

Edit!!

So AMD does not launch the CPU with windows drivers ready and then decides to clam up about SMT harming gaming performance.

Most review sites will be oblivious to this,so AMD has just thrown away performance for the LOLs.

Its likely most people reading the reviews will have no clue that SMT is making things worse in games.

Way to make your product look worse AMD. Bravo!!
 
TwsT said:
No it's better than the 6900k in most situations, if you're in the market for a 6900k semi workstation come gaming machine then the 1700 is a good chip.
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That's me :-)

I use my machine for dev work more than I game since starting uni and I don't see that changing when I start my PhD in 2018!
 
Regarding optimisations for the Zen uarch - I think everybody realises it will take a while,but the Windows drivers according to AMD would come within a month,and the SMT issue could have been avoided if AMD told reviewers that SMT might cause performance issues due to immature support.

Then most likely a lot of reviewers would have tested with SMT on and off.

Its like AMD rushing out the R9 290X with a sub-par cooler which gave it a bad name.
 
Lisa Su confirms Ryzen does support ECC ram, it is just up to the motherboard manufacturers to enable support for it. Good for those that need it I guess :D
 
So if AMD are going to release windows drivers, does that many the performance of SMT will improve 1% or 25%? If closer 25% then WOW!
 
CAT-THE-FIFTH said:
Regarding optimisations for the Zen uarch - I think everybody realises it will take a while,but the Windows drivers according to AMD would come within a month,and the SMT issue could have been avoided if AMD told reviewers that SMT might cause performance issues due to immature support.

Then most likely a lot of reviewers would have tested with SMT on and off.

Its like AMD rushing out the R9 290X with a sub-par cooler which gave it a bad name.
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You would have thought this ....would have been nice to see the results from all the reviews ..what i do not see is any body disabling cores to 4 or 6 and then trying OC
 
There's so much talk about how 'mediocre' these results are (which most of us were expecting seeing as these are DX11 games and are running memory at low speeds on immature BIOS).

What I find more concerning (because I was fully expecting the above comments and reviews when the NDA was dropped about mediocre gaming but strong multicore performance) is the severe lack of X370 boards available. As far as I'm aware, there are next to NO x370 boards that someone can buy right now whilst there is still plenty of stock of processors from multiple vendors, albeit mostly both flavours of 1700. Why is this a just a glancing issue instead of a major issue? There are people either not receiving orders or receiving partial orders and some with unknown delivery dates.
 
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