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

Panos;30485192 said:
Hmm, didn't the 1800X had 105W TDP not 95W, as it was more the overclocking & extreme cooling CPU, according to AMD?
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CPC said their SAMPLE of a 3.6Ghz base/4Ghz turbo was 105W but the first time they talked about it was in saying it was 100W for now. These are samples, AMD will get a batch back check they work and get samples out. A review site doesn't need a highly binned 95W chip to check it's performance or see what it's like. That a sample used more isn't relevant basically.

A couple of people on other forums say the higher TDP and assumed this was retail TDP for frankly no reason at all. AMD has never said anything about over 95W parts, though there could well be some.
 
CAT-THE-FIFTH;30485205 said:
Hmm,if you look at the UK based listing the 1700 says Wraith and the other two WOH??

So does that mean the top two SKUs have no heatsink??
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Ah I figured out by googled other retailers sites found that AMD CPU manufactuer code WOF is the OEM version and BOX is the retail version.

Yes Ryzen 7 1800X and 1700X are the OEM version without heatsink, only Ryzen 7 1700 65W is the retail version come with Wraith heatsink.

It good to see the final name for Summit Ridge CPUs... Ryzen 7 for 8 cores, Ryzen 5 for 6 cores and Ryzen 3 for 4 cores.
 
Today is a good news day. I really hope we are not going to get butt hurt on IPC once people start properly reviewing them.

Cat - I get it I really do, not having a motherboard in that segment from launch is guaranteeing lost sales from people with no choice on size but that want a gaming PC.

The big marketing win might be to launch ITX with Vega as you could then run a real monster AMD SFF machine and that should only be 3 months away.

I just don't want to have to look at problems from my spot on the hype train just now ;)

We could be just about to watch the X99 platform die on its arse, I mean 8c16t at 4ghz 100 quid cheaper than a 6c12t intel chip at 3.5ghz... subject to reviews and IPC this is a massive win for AMD.
 
TaKeN;30485143 said:
UK RyZen pricing from Trade Distributor

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Is this legit??
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If that pricing is correct, I'm blowing my budget and going for a 1700X. I was really just looking for a 4c/8t, with Haswell performance (i.e. similar to my 4770k) at i5 prices. My budget for mobo and cpu was to be around the £320 mark. But if this is close to the true prices, I might just splash out and go all in for 8c/16t.
 
Beren;30485253 said:
Today is a good news day. I really hope we are not going to get butt hurt on IPC once people start properly reviewing them.

Cat - I get it I really do, not having a motherboard in that segment from launch is guaranteeing lost sales from people with no choice on size but that want a gaming PC.

The big marketing win might be to launch ITX with Vega as you could then run a real monster AMD SFF machine and that should only be 3 months away.

I just don't want to have to look at problems from my spot on the hype train just now ;)

We could be just about to watch the X99 platform die on its arse, I mean 8c16t at 4ghz 100 quid cheaper than a 6c12t intel chip at 3.5ghz... subject to reviews and IPC this is a massive win for AMD.
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A few months is OK as long as its not like 6 to 9 months!! :p
 
humbug;30485271 said:
I'm starting to get pumped up now..... stop plz stop... NURSE?!?!?!
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I am more interested in what the 4.2GHZ part is - if AMD can get that level of Turbo on the top 8C,6C and 4C SKUs,its going to very competitive with even the Intel Kaby Lake CPUs in even lightly threaded games. Sure,they will have a slight clockspeed advantage and an IPC advantage,but even then its not going to be much in it,IMHO OFC.
 
If these clockspeeds are true then Intel are going to have to absolutely slash their pricing on 6-8 core especially. 6950X at £600? probably wishful thinking.
 
CAT-THE-FIFTH;30485291 said:
I am more interested in what the 4.2GHZ part is - if AMD can get that level of Turbo on the top 8C,6C and 4C SKUs,its going to very competitive with even the Intel Kaby Lake CPUs in even lightly threaded games. Sure,they will have a slight clockspeed advantage and an IPC advantage,but even then its not going to be much in it,IMHO OFC.
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mmmm.... i'm not so sure, even if the IPC is the same KB still has a clock speed advantage, to the tune of 7%

So in those 8 threads and less games on paper the 7700K will look faster, Intel will just point at that and IMO even some mainstream reviewers will twist the truths, Guru3D have form for that....
 
humbug;30485305 said:
mmmm.... i'm not so sure, even if the IPC is the same KB still has a clock speed advantage, to the tune of 7%

So in those 8 threads and less games on paper the 7700K will look faster, Intel will just point at that and IMO even some mainstream reviewers will twist the truths, Guru3D have form for that....
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Its not going to mean much,in the scheme of things:

http://www.gamersnexus.net/hwreviews/2744-intel-i7-7700k-review-and-benchmark/page-6

We already knew Intel would be a bit ahead in IPC and suspected that they would have higher clockspeeds.

But 4.2GHZ is more than I expected,and thats the thing - many of the new titles like Watch Dogs 2 and BF1 thread well,and so does AoTS.

Now,imagine an FX8370 in the mix and people will see how much faster the new CPUs will be over the old ones.

Then look at the DF testing:

http://www.eurogamer.net/articles/digitalfoundry-2017-intel-kaby-lake-core-i7-7700k-review

Look at the Haswell and KL CPUs.

In Crysis 3,AoTS,The Witcher 3 and RoTR,an overclocked Core i7 7700K is decently faster than an overclocked Core i7 4790K. But those titles thread well,meaning a 6C Ryzen with Haswell level IPC would probably not loose even if it is running at a slower clockspeed. Assassin's Creed Unity seems to be more GPU limited as even a Haswell Core i5 is more or less the same speed as the other CPUs. The Division is more of the same.

The only game which would be like 15% slower would be Far Cry Primal,but then again if AMD gets closer to Broadwell level IPC the gap would narrow.

So in the DF test suite,a 4.2GHZ 6C/12T SKU would hold its own in 7 of the 8 games tested,even if it were only Haswell level IPC,but if its closer to Broadwell level,then its only going to be a minor win for Intel in one game.
 
humbug;30485305 said:
mmmm.... i'm not so sure, even if the IPC is the same KB still has a clock speed advantage, to the tune of 7%

So in those 8 threads and less games on paper the 7700K will look faster, Intel will just point at that and IMO even some mainstream reviewers will twist the truths, Guru3D have form for that....
Click to expand...

It is going to depend a lot on how the dynamic boost overclocking gizmo thing that AMD have worked out actually works in practice.

If it is only stressing 4 cores the boost might rival 7700k speeds.

It also has access to a heap more on die cache than a 7700k - which might make a big difference depending on how it is utilised in lightly threaded tasks.

Basically we are back to groping in the dark on exactly how it is going to perform in tasks that use 8 or less threads compared to a 7700k.

We can be pretty sure that it will spank an 8 thread intel chip in 16 thread tasks though - and more things are going that way.
 
Assuming Haswell or better IPC im defiantly in for a 6c/12t sku,

Pretty crazy an 8 core part could realistically come in at £300 retail
 
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