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

That guru page stinks... doesn't even grab important details such as a review sample motherboard with a engineer sample bios. XMP was disabled so DDR4 ram was running at 2133Mhz. Also looking at things the hyper threaded performance should have done slightly better. Might be down to the review sample.
 
It's obvious in most games the ryzen 7 line up will be beaten, it's just a question of for how long high clocked 4c/8t chips remain relevant and just how much defecit can be made up by overclocking. There's the 1600x that can possibly do even higher clocks, which for gaming and with 6 cores is well worth noting. I still think longer term sales for the gaming lot will massively depend on 6c coffee lake performance and price. You'll have people thinking are Intel going to gimp me with a future release on x299 so I'm left with a likely expensive upgrade path vs am4 people having likely solid upgrades for years should they wish.

In some ways I'm hoping x99 prices completely bomb and then buy a bundle second hand. A motherboard and cpu swap to ryzen or x299 wouldn't be costly at all.
 
RavenXXX2 said:
Lower resolutions are a good test of cpu ipc with games, if the mem aint making much difference then Zen IPC is looking slightly slower than haswell. Which aint that bad but was expecting better.
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Its running at 3.5GHZ using 2133MHZ DDR4 - everyone of those Intel CPUs are running higher clockspeeds and the Core I7 7700K is using 3200MHZ DDR4.

Their Core i7 6700K is scoring the same as a Core i7 4770K too.
 
drunkenmaster said:
Except if you read the blurb they point out that it looks like an engineering sample and the reviewer states they didn't get it from AMD. Meaning as always happened, someone who had engineering samples sold theirs on some forum or to a friend, reviewers aren't supposed to do it but they do, I can attest having bought a... damn, I honestly can't remember. I think I got an engineering FX chip of some kind back in the ath 64 days, off a reviewer from a UK site.

So they highlighted reasons it wouldn't be completely representative and posted the news, lots of other places are posting leaks. To me, this suggests even ES with bad ram is basically matching 7700k in 1080p gaming... I'm not sure how that is bad news. Sure people who don't read it's an ES will use it as troll bait, but they'll use anything as troll bait anyway.

This news basically says, worst case scenario, it matches 7700k in gaming, beats Broadwell-e and kills the 7700k in everything else.

Honestly Cinebench single thread... I get it's a nice measure of single core IPC but in reality who does such work with one core now, it's moved beyond the point of mattering.

When IPC is good enough more cores wins, massively and Zen EASILY has enough IPC to push it firmly into the more cores wins area.
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The power figures are just amazing - 8C consuming LESS power than a 4C Intel CPU. 10C Intel is drinking power on a more mature 14NM process too.
 
Drollic said:
It's obvious in most games the ryzen 7 line up will be beaten, it's just a question of for how long high clocked 4c/8t chips remain relevant and just how much defecit can be made up by overclocking. There's the 1600x that can possibly do even higher clocks, which for gaming and with 6 cores is well worth noting. I still think longer term sales for the gaming lot will massively depend on 6c coffee lake performance and price. You'll have people thinking are Intel going to gimp me with a future release on x299 so I'm left with a likely expensive upgrade path vs am4 people having likely solid upgrades for years should they wish.
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Completely and utterly wrong, we've seen several reviews of modern games recently and in MOST the 7700k LOST. Because most games now can use more than 4 threads and do so effectively. F1 2016 was 25% faster on a 6 core Broadwell-e with way lower clocks than a 7700k, yet when the 7700k was faster in the two games it was, it was within 1% of the lower clocked Broadwells. Amongst newer games the majority use more cores and beat out a 7700k.

If you benchmark games that are 18+ months and older only, yeah the 7700k will win, but marginally in 98% of those wins. In newer games Broadwell-e beats 7700k, and Zen will beat/match Broadwell, beat at stock with higher clock speeds at lower prices, but about even maybe at max overclocks... yet to be seen, depends where Zen really overclocks to.
 
I just had another thought - if AMD 8C is that low power,what happens when the 4C/8T APUs are released?? They will have more than enough thermal headroom to raise clockspeeds without having the baggage of 4 extra cores.

Plus,AMD is going to have a good chance of getting into proper performance laptops too.

Now we know why Intel was saying that 10NM would help them combat AMD.
 
CAT-THE-FIFTH said:
The power figures are just amazing - 8C consuming LESS power than a 4C Intel CPU. 10C Intel is drinking power on a more mature 14NM process too.
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Yeah, I've said before part is that Intel always had such a big process advantage dedicating time and money to making them awesomely efficient was unnecessary, just bank that profit and due to process alone have slightly better power. AMD has always had relatively similar power usage to Intel despite being a process node or two behind, Intel always kinda sucked on power in reality but most people don't notice.

humbug said:
Yeah the Cache sits between two 4 core clusters, so it looks like the die is in two half's.
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That isn't how it works, and isn't how the cache works either. Each 4 core cluster has a block of 8MB L3 with two of the cores on opposite sides, then there is a second cluster that is similar, there is other stuff within the die. THe clusters are surrounded by other logic and it's all part of the same chip. Unless it's cache as in Iris pro where it's an entirely different silicon chip, cache doesn't stick out from a cpu chip, it's all part of the same piece of silicon and you can't see blocks of cache on a die with gaps between it and other things on the core.
 
brigantium said:
I'm starting to wonder what values make a review legit :rolleyes:, RX 480 flashback.
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Jesus, read the information along with the list of benchmarks. The news article showing them says it's an ES chip and the benchmarks themselves show 2133Mhz memory on the Zen and 3200Mhz on the 7700k, both way out of stock and both in the opposite direction. Again, Zen natively supports 2666Mhz officially, Intel support only 2400Mhz. Zen has 533Mhz underclocked memory, Intel has an 800Mhz overclock.... but yeah, we're being picky over the review. Even if that was a retail chip, the memory comparison is inarguably invalid.
 
CAT-THE-FIFTH said:
I just had another thought - if AMD 8C is that low power,what happens when the 4C/8T APUs are released?? They will have more than enough thermal headroom to raise clockspeeds without having the baggage of 4 extra cores.

Plus,AMD is going to have a good chance of getting into proper performance laptops too.

Now we know why Intel was saying that 10NM would help them combat AMD.
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Well i am hoping i can disable cores and see if there is more headroom is available or you reckon even tough there disabled in bios there still on not in use
 
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