Who's buying Skylake-X? (You may now change your vote)

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Mar 10, 2006
11,715
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Wow, did you just pull that out of thin air? I said in my 1 line post that skylake and kabylake are the same architecture sans the process node (14nm vs 14+nm). Nowhere did I say anything about comparing Skylake-X and consumer skylake/kabylake.

In fact, just the cache structure changes coupled with the AVX-512 instructions, would suggest that Skylake-X is a different architecture over the consumer line.

So, if Skylake-X is not on 14nm process, then it does share a process with kabylake (14+nm).

Skylake-X is on 14nm+.
 
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LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
Manufacturing process does not equal CPU architecture. You could produce Intel 386DX on 14m+ if you wanted and that wouldnt make it Kaby Lake.
Skylake and Kaby Lake are identical cores, save for the process and minor feature changes, mostly related to the IGP.
This is why the IPC is identical.

https://en.wikipedia.org/wiki/Kaby_Lake#Architecture_changes_compared_to_Skylake

If Skylake-X is not actually related to the Skylake core, then my analogy fails.

If Skylake-X is related to the Skylake core, but made on the 14nm+ process, then my analogy makes sense.

To me, anyway.
 
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wildhorse2k

Member
May 12, 2017
180
83
71
If Skylake-X is in fact on 14nm+, then has more in common with KabyLake-X than it does with Skylake-S. Not sure how you can dispute that.

But I never said Skylake-X has the same architecture as the consumer class skylake/kabylake.

You are simply mixing terminology to suit your argument.

Lol, waste of time...
 

Edrick

Golden Member
Feb 18, 2010
1,939
230
106
Skylake and Kaby Lake are identical cores, save for the process and minor feature changes, mostly related to the IGP.
This is why the IPC is identical.

https://en.wikipedia.org/wiki/Kaby_Lake#Architecture_changes_compared_to_Skylake

If Skylake-X is not actually related to the Skylake core, then my analogy fails.

If Skylake-X is related to the Skylake core, but made on the 14nm+ process, then my analogy makes sense.

To me, anyway.

Lets see if I can put this as simple as possible.

SkyLake-S = baseline
KabyLake-S = (Skylake-S) + (14nm+ process)
KabyLake-X = (KabyLake-S) + (LGA 2066) - (IGP)
SkyLake-X = (KabyLake-X) + (AVX-512) + (4 Channel IMC) + (new cache structure)

So SkyLake-X has more in common with KabyLake than it does with SkyLake-S. So in theory, I agree with you.
 
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Edrick

Golden Member
Feb 18, 2010
1,939
230
106
Just ordered 32GB TridentZ quad channel RAM (3200mhz CL15) for my new build. Release date can't get here soon enough.
 
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AdamK47

Lifer
Oct 9, 1999
15,489
3,200
136
Looks like I'll be upgrading in October for the 18 core release. I can wait... I suppose.
 
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bbhaag

Diamond Member
Jul 2, 2011
6,864
2,234
146
No way. My 6700k will last me for years. I don't need an 8+ core beast let alone one that has even more. What's the point anyway? What's it gonna do shave a few minutes off video encoding or content creation...that doesn't even apply to 98% of users. I guess I could get some epeen props but I'm pretty confident my lowly 4 core will be enough for awhile.
 
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VirtualLarry

No Lifer
Aug 25, 2001
56,542
10,167
126
No way. My 6700k will last me for years. I don't need an 8+ core beast let alone one that has even more. What's the point anyway? What's it gonna do shave a few minutes off video encoding or content creation...that doesn't even apply to 98% of users. I guess I could get some epeen props but I'm pretty confident my lowly 4 core will be enough for awhile.
On one hand, the "core wars" have begun, between Intel and AMD, in the consumer space, and with only 4C/8T, it seems that in a few years, you'll be "left behind".

OTOH, the 6700K is still a FINE CPU, with PLENTY of performance for common tasks.

For many people (myself included, if I don't count my DC habit), a 6700K would be pure overkill. (Unless you play current games with a high-FPS monitor @ 1080P.)

I have a friend, that is currently still using an A10-5800K (remember that classic? It's a Trinity APU, quad-"core", ~4Ghz).

He's been talking with me about upgrades. He was considering a G4560 budget build, but I'm trying to get him to be interested in at least a Ryzen 5 1400. He IS interested, but doesn't want a dGPU in his system, no matter how cheap or low-powered. He's waiting for a Zen APU product.

My main DeskMini PCs for everyday work, are Kaby Lake G4600 CPUs. I would have gone for the G4560, but I wanted the HD 630 iGPU, since they don't have a way (currently) to upgrade to a dGPU.

But my Ryzen 5 1600, slightly overclocked on a 120mm AIO CLC, is primarily for DC work, and some slight gaming.

Edit: Sorry, I see that this is a "who's buying SKL-X thread".

I don't know if I'll ever be able to afford a SKL-X rig. Probably purchase a new car before then. When a PC costs as much as a car, you know that there's a problem, or you truly have more money than you need.
 
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bbhaag

Diamond Member
Jul 2, 2011
6,864
2,234
146
I've been hearing about cores since I joined this forum. Back in '11 the Phenom x6 was a core beast that was soon to show its teeth. Then the FX line was released with even more cores that were even better and more efficient. Any day their efficiency would shine especially when the consoles got them. It was gonna be a game changer when AMD won the console bid with all those cores.

Cores this and cores that....I've heard it for along time Larry. Close to six years. Hearing it over and over again doesn't make it true though.
 
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coercitiv

Diamond Member
Jan 24, 2014
6,593
13,913
136
Cores this and cores that....I've heard it for along time Larry. Close to six years. Hearing it over and over again doesn't make it true though.
Cores this cores that... oops benchmarks.



You'll be more than fine with your 6700K in the next years, just don't expect your CPU to stay on top of the charts, that's all.

The only thing that should be crystal clear for people on current mainstream i7 CPUs is that starting from this summer they'll own a i5 class CPU. The 6700K should expect the longevity of i5 2500K, not that of i7 2600K.
 
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CHADBOGA

Platinum Member
Mar 31, 2009
2,135
832
136
Yes, but now Intel is saying it too...
They are saying it because they have just about hit the wall on clockspeed and IPC increases, so they need something else to get the public excited and willingly to spend money on.

People think cherrypicking games that benefit from moar cores is an irrefutable sign that some kind of multi-core paradise will soon be upon us, when the reality is that many styles of games just aren't great candidates for increased threading.

The Core Wars is going to be a very long and slow process.
 
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LTC8K6

Lifer
Mar 10, 2004
28,520
1,575
126
They are saying it because they have just about hit the wall on clockspeed and IPC increases, so they need something else to get the public excited and willingly to spend money on.

People think cherrypicking games that benefit from moar cores is an irrefutable sign that some kind of multi-core paradise will soon be upon us, when the reality is that many styles of games just aren't great candidates for increased threading.

The Core Wars is going to be a very long and slow process.
With the prevalence of 4+ full cores increasing, designers will probably start to take advantage. Intel moving may start designers moving...
 
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BrandonT

Member
Feb 23, 2011
102
7
81
I started thread over in mobo's but maybe I'll get more answers here. Here are my questions:
"Looks like my 3570k is finally getting replaced this summer, most likely with the 7820X. I'm a bit out of the loop on the state of the art, so could use some advice. My machine will do a lot of video encoding, mostly Handbrake, and some gaming on 2560x1440 monitor. I will probably not overclock this machine, if I do it will be conservative.

What RAM specs should I be looking at? I'm guessing quad channel is better than dual, all things equal? What's this "ranking" I'm reading about?

How is Thunderbolt and USB 3.1 support going to be on X299?

Any other issues I should consider with X299?"
 

CHADBOGA

Platinum Member
Mar 31, 2009
2,135
832
136
With the prevalence of 4+ full cores increasing, designers will probably start to take advantage. Intel moving may start designers moving...
Not all applications will be able to be greatly speeded up, just because there are now more than 4 cores available, no matter what the designers want to achieve.
 

krumme

Diamond Member
Oct 9, 2009
5,956
1,595
136
I started thread over in mobo's but maybe I'll get more answers here. Here are my questions:
"Looks like my 3570k is finally getting replaced this summer, most likely with the 7820X. I'm a bit out of the loop on the state of the art, so could use some advice. My machine will do a lot of video encoding, mostly Handbrake, and some gaming on 2560x1440 monitor. I will probably not overclock this machine, if I do it will be conservative.

What RAM specs should I be looking at? I'm guessing quad channel is better than dual, all things equal? What's this "ranking" I'm reading about?

How is Thunderbolt and USB 3.1 support going to be on X299?

Any other issues I should consider with X299?"

What you do want for handbrake and encoding is a ryzen cpu unless its h265. If its h264 you get 80-90% of the way for half cost with eg a 1700x and a b350mb non oc. Ryzen is the state of the art atm for this kind of workload. And at the same priceclass as a 7820 a 12/16c threadripper will probably be faster. I would wait and see for your workload. Things have changed since your 3570k.

http://www.anandtech.com/show/11170...review-a-deep-dive-on-1800x-1700x-and-1700/20
 
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lolfail9001

Golden Member
Sep 9, 2016
1,056
353
96
What you do want for handbrake and encoding is a ryzen cpu unless its h265. If its h264 you get 80-90% of the way for half cost with eg a 1700x and a b350mb non oc. Ryzen is the state of the art atm for this kind of workload. And at the same priceclass as a 7820 a 12/16c threadripper will probably be faster. I would wait and see for your workload. Things have changed since your 3570k.
Yeah, AMD fanboys got way more rabid in CPU forums since 3570k, things certainly change.
Ok well assuming I decide on 7820X anyway, could someone help with my questions?
Well, most mobos will have fine USB3.1 support because every USB 3.0 is USB3.1 ( ), but TB3 support will probably come down to board selection.

As for RAM... Depends on how much you'd need, i presume 4 8GB sticks at 3200Mhz (1 per channel) is modern sweetspot, though an expensive one due to RAM price fixing.

Insulting other members is not allowed. Calling them a fanboy.
Markfw
Anandtech Moderator
 
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Edrick

Golden Member
Feb 18, 2010
1,939
230
106
Ok well assuming I decide on 7820X anyway, could someone help with my questions?

Personally, I just bought 3200mhz RAM with 15 timings for my 7820X build. I would say that anything over 3000mhz will perform great with Skylake-X
 

TheF34RChannel

Senior member
May 18, 2017
786
309
136
Personally, I just bought 3200mhz RAM with 15 timings for my 7820X build. I would say that anything over 3000mhz will perform great with Skylake-X

Try to opt for quad channel 3200-3466MHz with low timings (15-16),although timings are the least important thing nowadays.
 

Topweasel

Diamond Member
Oct 19, 2000
5,436
1,657
136
They are saying it because they have just about hit the wall on clockspeed and IPC increases, so they need something else to get the public excited and willingly to spend money on.

People think cherrypicking games that benefit from moar cores is an irrefutable sign that some kind of multi-core paradise will soon be upon us, when the reality is that many styles of games just aren't great candidates for increased threading.

The Core Wars is going to be a very long and slow process.
Or it's the exact opposite. Games are being developed on eight core machines that share the same architecture as PC for the first time. The "cherry picking" as you call it all newer games that have all come out in the last 6-12 months. vs the ones that show the 4 core dominance are mostly from 2015 and a little into early 2016. Which all fits within the development window for the consoles. Most 2014 and 15 games started their life only ever seeing DX11, started life as Xbox360 and PS3 games that shifted focus. While games coming out now are games that lived their whole lives as Xbox One and PS4 games. Heck we already have one game that actually dumbs down the game if it detects 4 cores or less. Intel Coffee Lake isn't coming out with 6 cores because of Ryzen. It's going to be mostly because of a clock cap. But the end point was they couldn't keep the segmentation up much longer. They needed to bring more cores down.

Not saying it will be a "paradise". 4 Cores are going to be viable several years from now. But bit by bit performance is going to erode and that is already happening. Right now its mostly games that run at 80-99% with the 4 cores. Next year it will be more games that are CPU bottlenecked at levels CF, X79-X299, and Ryzen/TR are not. Then a year from that the engines themselves will require much more work from the CPU and you will notice widely different performance between games and the CPU choices. In 4 years expect that 6+ core CPU's are on the recommended list of most games.

Now most of this is the AAA and AA games.

This doesn't mean that people should be tripping over themselves to get a X299 or TR. But this isn't 2011, back then the market was starting to move to more multi-core, but then SB came out and practically doubled performance. OS and software overhead started to take a big dive in resource requirements. Development shifted to consoles even more and then there was the unmoving market segmentation where users were not getting more faster cores from Intel. Now that Intel and AMD have (well Intel will have) Consumer grade CPU's with more cores and even Intel is making their sub 10c stuff more accessible. This is probably going to look more like a leaky damn ready to burst.
 
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