Intel Broadwell Thread

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Shaun_Brannen

Member
Jan 25, 2016
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Uhm, Broadwell cores are Broadwell cores. There's no "Broadwell (mainstream) core" and "Broadwell-E (server) core". At least, I don't think so, other than possibly the server cores are getting AVX512. (Not sure if that was new in the server cores in BDW or SKL.)

Other than that little thing, they are the same basic core, with the same execution units, registers, etc.
Well, there's a lot of work that you have to do to scale those things up, and get better yields too. It's way more important on a bigger die like that.

The transistor layout may be nearly identical, but the higher level metal layers would be totally different in that area, I'd think. There's more validation that they have to go through too, I'd imagine.
 

superstition

Platinum Member
Feb 2, 2008
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Broadwell-E is a direct upgrade over Haswell-E which is already on the market.
Selective presentation of facts. That doesn't, at all, rebut what I wrote. Your point would be fine if Skylake cores weren't already being sold.
Yes, it ain't Skylake
Yes, it ain't. : )
but you can get more Cores (Or better, Dual Processors), PCIe Lanes and RAM Capacity out of it.
As one would with Skylake E.
Not everything is gaming.
Skylake's core advantages aren't very relevant to gaming so that actually weakens your point.

If they were then we would see the 6700K soundly beat both the 4790K and the 5770K in gaming, which it doesn't. It's advantages are seen with other things which is why I recommend the Broadwell C chips for gaming-only rigs despite their somewhat inflated pricing. The 5675C in particular seems to be the best value for a gaming-only processor, although one might want to get the 5775C in case more games are going to be like Fallout 4 — a game that actually seems to leverage lots of threads.
And as a platform, Broadwell-E is much, much more wide. If money was no issue, I would pick it over Skylake.
Skylake E is better than Broadwell E because it has superior cores.
You're basically saying every HEDT chip has been a downgrade, as the HEDT has always been at least one generation behind the consumer DT parts.

Horrible logic.
What's subpar logic is appealing to tradition because it's fallacious. Intel can do it wrong every generation but that doesn't affect the fact that Broadwell E is already obsolete before it hits the market because Skylake cores are more advanced than Broadwell cores.
 

tenks

Senior member
Apr 26, 2007
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Intel can do it wrong every generation but that doesn't affect the fact that Broadwell E is already obsolete before it hits the market because Skylake cores are more advanced than Broadwell cores.

You're grossly over-exaggerating to the point of laughability. Haswell-E was competitive to DT SKylake and Broadwell-E will be even more so. Do you even know what the definition of obsolete actually means? Because when broadwell-e hits, it will be the fastest >4core on the market and that by no means is obsolete to anyone but you.
 
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zir_blazer

Golden Member
Jun 6, 2013
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As one would with Skylake E.

[...]

Skylake E is better than Broadwell E because it has superior cores.
You gutted out my Post to mostly say that? LOL. Selective quoting for presentation of facts, too.

Sit waiting for a year or more and you will have Skylake-E. When that happens, Skylake-E will already be obsolete because you will have Cannonlake on consumer platforms
 

superstition

Platinum Member
Feb 2, 2008
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Selective quoting for presentation of facts, too.
Such as?
Sit waiting for a year or more and you will have Skylake-E. When that happens, Skylake-E will already be obsolete because you will have Cannonlake on consumer platforms
That's just Tenks' appeal to history fallacy again. As I said, Intel can do it wrong every generation but that doesn't make what I wrote incorrect.
You're grossly over-exaggerating to the point of laughability.
Skylake cores are improved. They are on the market now. How are those facts exaggeration?
Haswell-E was competitive to DT SKylake and Broadwell-E will be even more so.
So you're saying Skylake offers nothing that makes it an upgrade? I think you're the one exaggerating.
Do you even know what the definition of obsolete actually means?
Yes. In computing, particularly given the very small IPC improvements Intel has been providing since Sandy, improved integer performance (Skylake's main improvement) is important.

If Broadwell's cores weren't obsolete there was no reason to introduce Skylake. Intel could have just used the Broadwell C parts and even sold some of them with the iGPU disabled.

Some non-gaming benchmarks show improvements from the Skylake cores. All the spinning in the world won't make Broadwell's cores equal, or Haswell's.

Selling a more expensive processor with inferior cores, particularly given the immense hyping of Skylake that occurred, is not good business.
 

pj-

Senior member
May 5, 2015
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I don't understand at all why you are trying this hard.

My 5820k that I bought for $300 outperforms a $370+ 6700k in any MT task and trades blows with it in gaming. The only sacrifice is heat.

MT performance per dollar is better with low end Haswell-E than it is for top end Skylake and I guarantee the same will hold true for 6 core Broadwell-E.

What does it matter if the cores are 10% worse if I have 50% more of them?
 

tenks

Senior member
Apr 26, 2007
287
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blah blah blah

There is no point in continuing this when you don't even know the difference between Broadwell and Broadwell-E and HEDT and DT. And you ignore the fact that haswell-e beats skylake in plenty of benches, but broadwell-e is somehow obsolete in comparison. You're a troll with terrible logic.
 
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Aug 11, 2008
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I gave up trying to logically reason with this poster long ago. No matter what you say or how logical the rebuttal, he just repeats the same mantra over and over. It is like when you are trying to talk to someone and they just cover their ears and go la la la la instead of listening to you.
 

tenks

Senior member
Apr 26, 2007
287
0
0
I gave up trying to logically reason with this poster long ago. No matter what you say or how logical the rebuttal, he just repeats the same mantra over and over. It is like when you are trying to talk to someone and they just cover their ears and go la la la la instead of listening to you.

thanks for pointing this out, explains a lot
 

Shaun_Brannen

Member
Jan 25, 2016
105
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I gave up trying to logically reason with this poster long ago. No matter what you say or how logical the rebuttal, he just repeats the same mantra over and over. It is like when you are trying to talk to someone and they just cover their ears and go la la la la instead of listening to you.
It bothers me that we value people's emotions over the factual integrity of their statements. I feel as though moderation in these types of places shouldn't care so much about personal attacks.
 
Aug 11, 2008
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It bothers me that we value people's emotions over the factual integrity of their statements. I feel as though moderation in these types of places shouldn't care so much about personal attacks.

If you are referring to me, that is exactly the point. He kept making I will generously say "distorted" evaluations, and refused to listen to reason about why they might not be correct.
 

Sweepr

Diamond Member
May 12, 2006
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16C/32T Xeon-D Launched (45-65W TDP)

Intel Xeon D family of x86-based systems on a chip was expanded today with a new flagship chip, dubbed D-1571. Xeon D line of processors targets microservers and storage markets, and it employs the same "big cores" as their more powerful Xeon siblings. Particularly, Xeon D-1500 series makes use of Broadwell 14nm microarchitecture, which supports all latest x86 extensions. Up to this moment the fastest in the series was the D-1541, which had 8 CPU cores and 12 MB L3 cache. New D-1571 SoC doubles the number of cores to 16, albeit running at 35% lower clock rate. The D-1571 also has twice larger level 3 cache.
In short, specifications of the D-1571 chips are: 16 CPU cores, 1.3 GHz clock speed, 24 MB last level cache, 45 Watt TDP and support for Hyper-threading feature, which allows the CPU to run 32 threads at once. The SoC is likely to support Turbo Boost technology, but we do not have information on the maximum boost speed yet. The official price of the D-1571 is $1222.



www.cpu-world.com/news_2016/2016021...e_Xeon_D-1571_processor_for_microservers.html

Twice the number of cores at 35% lower clocks, same TDP as the older octo-core models. There's also a faster Xeon D-1587 model @ 65W TDP (unknown clock).
 

DrMrLordX

Lifer
Apr 27, 2000
22,030
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I wouldn't say their dead yet, but stuff like ThunderX has got to be looking at Xeon-D as an immediate competitor. One they didn't necessarily expect going into the fray.
 

jpiniero

Lifer
Oct 1, 2010
15,172
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A 16C @ 45 W is a bit of a surprise. They had to cut the clock speed by so much, it'd be faster than the 8C @ 2.1 but only so much. Is that worth paying 2.5x for the chip? The answer is... well kinda. That's classic Intel for you.

I'm guessing the 65W is 1.6 Ghz.
 

zir_blazer

Golden Member
Jun 6, 2013
1,192
487
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That 16C Xeon D makes me wet.

BTW, didn't noticed that there are Pentium D based on that platform. Anyone knows if they are found in the wild yet? Would like to see how much a Motherboard with them cost.
 

jpiniero

Lifer
Oct 1, 2010
15,172
5,707
136
That 16C Xeon D makes me wet.

BTW, didn't noticed that there are Pentium D based on that platform. Anyone knows if they are found in the wild yet? Would like to see how much a Motherboard with them cost.

The Pentium would be hard to find I think, but Newegg has a quad core Xeon-D model for $489.
 
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