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

Touch wood this is all true with bring about a fundamental change in the market having companies who can actually compete with each other. You just know though Intel will either have something up there sleave or there will be a massive price drop as soon as we get closer to release date.
 
dazzerd said:
Touch wood this is all true with bring about a fundamental change in the market having companies who can actually compete with each other. You just know though Intel will either have something up there sleave or there will be a massive price drop as soon as we get closer to release date.
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Fingers crossed. But I doubt it.

It will just line up in the stack at the appropriate price range.

So we are talking a 4770k with 8 cores 16 threads? A proper upgrade on a 3570k. It feels wrong to go and buy a 6700k when it is still 4 cores.

Sounds epic. If its affordable.
 
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Sandybridge, Devils Canyon, Ivybridge who cares? All of those perform within a tiny margin of each other.

If Intel released an unlocked 8 core Sandybridge chip for £2-300 it would be the best CPU we have seen for the last 10 years.
 
IPC is meaningless without knowing the overall clockspeed, it may well have 40% increase in IPC compared to FX architecture but if it doesn't scale as high and it's clocked 1ghz lower you aren't going to get a 40% increase in performance.

One of the main reasons why Pentium 4/Bulldozer architectures achieved such high clockspeeds was due to the low IPC.
 
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opethdisciple said:
Fingers crossed. But I doubt it.

It will just line up in the stack at the appropriate price range.

So we are talking a 4770k with 8 cores 16 threads? A proper upgrade on a 3570k. It feels wrong to go and buy a 6700k when it is still 4 cores.

Sounds epic. If its affordable.
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Technically the AMD equivalent of the 4770K would be an APU but 8th generation Zen based APU’s aren’t coming out for probably a year before that we are getting the higher end desktop chips which feature proper CPU cores (as opposed to modules that we got with Bulldozer). In theory the first Zen chips will be the new FX line without a GPU part and will go up against the Core i7/X99 range.

TBH the APU’s seem more exciting, the rumours are the Zen based APU will come with HBM2 if they add on competitive CPU Intel could find it’s mainstream segment evaporate very quickly. Again it’s all hearsay and rumour at this point but even without HBM AMD’s GPU design and drivers are miles ahead of Intel and will most likely have a big performance advantage.


layte said:
Depends on what it is a 40% improvement over. 40% better than Bulldozer would put them somewhere very close to Sandybridge on single threaded performance. http://www.anandtech.com/bench/product/698?vs=287
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AMD have said it's 40% over Excavator, which is several generations ahead of Bulldozer and IPC has steadily improved in that time. In total compared to the original Bulldozer Zen might have an IPC improvement of about 60%+ over Bulldozer if AMD do liver.
 
JonSmith said:
These benchmarks give a pretty good idea about the scaling:

http://www.planet3dnow.de/cms/18564...er-architekturen/subpage-rendering-cinebench/

However, I'm not sure which Piledriver chip they tested with so any performance regressions compared to Excavator may be a result of L3 cache being present.
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Good find.
It doesn't really mater which Piledriver chip they used, no Steamroller or Excavator chip have L3. lets just assume these benches are with a none L3 Piledriver, if its an FX series CPU it just makes the up lift in Steamroller and Excavator that much more.

It confirms what i said before, there is already a significant step up from Piledriver to Steamroller and again to Excavator.
 
Q. May seen unrelated, but the fact the name Zen is a complete deviation from the current construction machine theme, does that mean it's based on a completely new architecture design as opposed to just a refinement of the old?
 
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