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AMD THREADRIPPER VS INTEL SKYLAKE X

gavinh87 said:
7800x overclocked to 4.7ghz is slower than the stock 7700K in gaming. Where is zombienation when you need him?
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That's not good at all!

I want to see the 1600X vs 6800X.
Interesting that Sky lake X suffered so much in Far Cry and GTAV, just like Ryzen.

The 6800x looks like a waste of money, especially with Coffee Lake coming.
 
Wow that is really bad, glad I'm waiting on Threadripper before deciding anything! I may even wait a couple of months afterwards to see how the dust settles...
 
gavinh87 said:
6800X?
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Not 6800X sadly, but as mentioned the 7900X was also bunk there comapred to 7700K; even when overclocked compared to Kabylake.

Oh this chap is mess, but he found ther 7900X even with that mental boost clock to lose badly to stock 6700K :/
https://youtu.be/x4qmyaAC-Y4?t=5m58s

I wonder if there's an issue with the 6800X, and it's why Intel refused to sample any of them to reviewers; as the TechSpot video and article show's it's really bad. Looks slower than a 5820K at similar clocks.
 
N19h7m4r3 said:
Not 6800X sadly, but as mentioned the 7900X was also bunk there comapred to 7700K; even when overclocked compared to Kabylake.

Oh this chap is mess, but he found ther 7900X even with that mental boost clock to lose badly to stock 6700K :/
https://youtu.be/x4qmyaAC-Y4?t=5m58s

I wonder if there's an issue with the 6800X, and it's why Intel refused to sample any of them to reviewers; as the TechSpot video and article show's it's really bad. Looks slower than a 5820K at similar clocks.
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x299 doesn't look good for gamers.
I like his comment about how frametimes are consistent, yet showing spikes above 120ms. You are certainly going to feel those.
 
gavinh87 said:
x299 doesn't look good for gamers.
I like his comment about how frametimes are consistent, yet showing spikes above 120ms. You are certainly going to feel those.
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Yeah I never get that, if Ryzen spiked that much it would be pointed out a lot.

Looks like I'm still waiting until Threadripper before deciding who to go for.
 
SiDeards73 said:
I think this article explains Zombienations absence https://www.techpowerup.com/235092/...cessors-glued-together-in-official-slide-deck

He was obviously busy writing up Intels presentation slides ;)
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Intel Says AMD EPYC Processors "Glued-together"

So, yes, Intel, I think the AMD engineers who have developed the Zen architecture from the ground-up would take issue with that. Especially when AMD's "Glued-together" dies actually wipe the proverbial floor with the blue company's chips in power-performance ratios, and deliver much better multi-threaded performance than Intel's offerings. Not bad for a "Glued-together" solution, I'd say.

Our resident W1zzard had this to say regarding AMD's latest CPUs: "The SenseMi power-management system seems to be working well in idle, with the 8-core machine drawing the same amount of power as Intel's quad-core "Kaby Lake" machine." And "At stock speeds, the energy-efficiency of Ryzen is truly phenomenal. Prime95 loads all cores and threads on the chip, and the Ryzen ends up with as much power draw as the quad-core Intel i7-7700K. The high power draw result of the overclocked chip is due to the increased voltage needed to achieve stable operation." And let's not forget this: This is epic. We're assuming you've sifted through our game-test results before seeing this page, and so you'll find that the gaming power draw of the 8-core Ryzen makes Intel's quad-core i7-7700K look bad. Power draw is as much as 30W lesser! Ryzen is hands down the most energy-efficient performance CPU AMD ever made, and easily outclasses Intel's 14 nm "leadership." Good show."
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HA ^^^^ new found respect for TPU :D
 
N19h7m4r3 said:
That's not good at all!

I want to see the 1600X vs 6800X.
Interesting that Sky lake X suffered so much in Far Cry and GTAV, just like Ryzen.

The 6800x looks like a waste of money, especially with Coffee Lake coming.
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Yeah it looks like the problem with some games Ryzen and Skylake-X both show is down to their Inter-core latency. Ryzen has high latency if you go between CCXs (though VERY low latency within 1 CCX, and also the CCX-CCX latency drops as RAM speed increases), and Skylake-X has high latency across all cores due to their new mesh system (this is lower than Ryzen's CCX-CCX, but not by much, and also it doesn't go down with RAM speed).

Interestingly this also means Ryzen's issue can be solved through a combination of fast RAM (hello DDR5) and load-balancing in the program, if you were to specifically write to make sure tasks didn't cross the CCX if they didn't need to. But Skylake-X's is just inherent, there's nothing you can do about it, because EVERY core to ANY core has high latency.


humbug said:
HA ^^^^ new found respect for TPU :D
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Yeah this is fun, I do like W1zzard's reviews

And a point I think is VERY interesting is general is the one about GloFo/Samsung 14nm vs Intel's.

Intel's is definitely objectively better, so AMD are on a worse process. But AMD has managed to match or beat Intel in basically all metrics, and importantly beat them in perf/w.

So fast forward to 2018/2019, when Intel are on their 10nm and AMD are on 7nmLP designed by IBM. These two processes are supposed to be as good as each other, and 7nmLP is rated at 5GHz (vs 14nm rated at 3GHz).

So considering they're doing revisions for Zen2 + closing the process gap, how are things going to look on 7nm?

I'm very excited for this, and I speculate we'll see 12-core Zen2's running at 4.5 GHz with normal/reasonable cooling.
 
Interestingly, Samsung has just knocked Intel of its perch as worlds biggest semiconductor manufacturing company, and has revealed plans to invest more than 18bn into its memory chip business this year as well. The ended Intels 24 year dominance lol, i wonder if the Intel board are in full panic mode yet.
 
AllBodies said:
So considering they're doing revisions for Zen2 + closing the process gap, how are things going to look on 7nm?

I'm very excited for this, and I speculate we'll see 12-core Zen2's running at 4.5 GHz with normal/reasonable cooling.
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Considering the thermals and power AMD managed on the 1700 and 1800X on 14nm LPP it's rather impressive. You can see the process doesn't handle clocks over 3.6 fine without ramping up power; so 7nm should solve that rather well hopefully.

AMD's CPU devision are doing great cramming what is essentially an i7 5960X into a 65W TDP; and we're even seeing laptops being shown with the R7 1700 now.

It's just a same they're using the same process for their GPUs, as it's clear there are severe issues there with power and clocks. Although Polaris at lower clocks is exceptionally power efficient, as 14nm LPP is supposed to be.

I'm looking forward to Threadripper reviews; especially with PcPer doing core-core latency tests. I want to see how well two modules with 2 CCXs each copes with latency. Along with what memory frequencies the platform will hit on launch. I'd say launch with 3200Mhz Quad Channel would be fantastic for them if they can manage it; especially in gaming tests.
 
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