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[Tweaktown] Intel Core i7-7700K 'Kaby Lake' performance teased - Page 9  

post #81 of 286
Yes, Conroe was a beast. Conroe, and then G80, 2006 was an exciting year.
Edited by Oubadah - 8/31/16 at 2:52am
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post #82 of 286
Quote:
Originally Posted by Yuhfhrh View Post


Would be crazy if cannonlake worked on Z170. I can't remember the last time an Intel motherboard lasted that long.

Mainstream Cannonlake is only 2 cores though

Cannonlake-X in 2019 is supported on 2066
post #83 of 286
I wonder if I should wait one or two more releases before upgrading.

My 4770k at 4.5ghz isn't holding my gtx1080 back I don't think but after 3ish years I'd see a 30% increase in performance.
I'd like to see more 6cores though.
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post #84 of 286
Quote:
Originally Posted by aberrero View Post

Ya, I meant, they never made any K-series broad well chips.

Maybe I will switch out my 4690k then. It only OCs to around 4.4 GHz for daily use, so a 4790k that can go further would be nice in addition to the extra threads.

Cause Broadwell got unlocked multipliers on chips with a different name. That "C" chip he linked to has an unlocked multiplier. Intel probably used a different naming scheme because it was both unlocked and had eDRAM on package. In certain situations the BW with eDRAM can completely wreck Haswell, but in other situations it looses by 5% or so because it typically clocks about 200-300MHz lower on average than a Devil's Canyon. Broadwell was made on a 1st gen 14nm node, and Skylake was made on a tweaked, higher performance 14nm node. Now Kaby Lake is being made on yet another tweaked node with supposedly even higher performance than the Skylake node has. That, combined with a separate downclock setting for AVX instructions should let the main core of KBL clock to that "magical" 5GHz mark on average. The FMA3 and AVX area is really what holds back a lot of Skylake chips from being stable at that speed.
Edited by EniGma1987 - 8/31/16 at 6:25am
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post #85 of 286
Quote:
Originally Posted by davidelite10 View Post

I wonder if I should wait one or two more releases before upgrading.

My 4770k at 4.5ghz isn't holding my gtx1080 back I don't think but after 3ish years I'd see a 30% increase in performance.
I'd like to see more 6cores though.

Unless you are wanting to use NVME PCIE based SSD's there is no point in upgrading from your current CPU (unless you do a lot of CPU intensive stuff).

by far the biggest improvements have been on the board and chipset side of things (DDR4, M.2, etc. etc.) rather than on the CPU itself.
post #86 of 286
Quote:
Originally Posted by Blameless View Post
 
Quote:
Originally Posted by Liranan View Post

Conroe and Allendale were far more impressive than Nehalem. Intel went from Netburst to Core, leading to a 100% increase in performance in some cases. Nehalem was nowhere near as impressive as Core 2.

Conroe was an enormous jump from Netburst in raw performance, but it was an evolutionary step from Yonah. Nahlem's IMC, on-die L3 cache, and reintroduction HT were all game changers, even if most contemporary workloads didn't show it.

I went from a 4GHz (500*8 in a P5Q Deluxe) Xeon 3350 to a 3.8GHz i7 920 C0 in very early 2009 and felt it was a fairly substantial upgrade. Actually, I still have that i7 920 in a working system, and it's as big an improvement over Core 2 Quads in some workloads as Core 2 was over late Netburst.

Maybe Conroe didn't feel like as large a generational leap for me because I was using dual-core Opterons, not Netburst, prior to it's launch. Most impressive thing about Conroe, from my perspective, was how cheap performance became. I had three Pentium Es (two 2140s and a 2160) all of them could do at least 100% overclocks on air, and the better E2140 went from 1.6GHz to 3.3GHz on the cooler it came with...70 dollar CPU in a 70 dollar motherboard was besting my 3GHz Opteron 170 by about 20%.
Quote:
Originally Posted by Liranan View Post

While the 980X is still a great CPU a 2600K has turned out to be a far better purchase as they clock far higher and have become as legendary as the 9800GT in CPU terms.

The i7 970 system I built in 2010 is still faster in many areas than my 2700K, and the only way my remaining LGA-1366 setups will be retired before my LGA-1155 ones will be if my aging X58 motherboards die.

I never mentioned revolutionary, I just said impressive.

 

You're right, in multi threaded scenario's in which the six cores of the 970 are fully used the 970 beats the 2600K's four cores

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post #87 of 286
Quote:
Originally Posted by EniGma1987 View Post

Cause Broadwell got unlocked multipliers on chips with a different name. That "C" chip he linked to has an unlocked multiplier. Intel probably used a different naming scheme because it was both unlocked and had eDRAM on package. In certain situations the BW with eDRAM can completely wreck Haswell, but in other situations it looses by 5% or so because it typically clocks about 200-300MHz lower on average than a Devil's Canyon. Broadwell was made on a 1st gen 14nm node, and Skylake was made on a tweaked, higher performance 14nm node. Now Kaby Lake is being made on yet another tweaked node with supposedly even higher performance than the Skylake node has. That, combined with a separate downclock setting for AVX instructions should let the main core of KBL clock to that "magical" 5GHz mark on average. The FMA3 and AVX area is really what holds back a lot of Skylake chips from being stable at that speed.
Isn't the mainstream Skylake made on the same as Broadwell-C/Broadwell-E too? There's a third gen 14nm after Kabylake.
post #88 of 286
The biggest revolution in Intel's lineup has been Conroe. It was just a massive leap over the Pentium 4's netburst architecture. Clock-for-clock, it was literally 100% faster, used less power, and overclocked to the moon.

Sadly, we will probably never see something like this again from the consumer CPU market.
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post #89 of 286
Quote:
Originally Posted by Kana Chan View Post

Isn't the mainstream Skylake made on the same as Broadwell-C/Broadwell-E too? There's a third gen 14nm after Kabylake.

Broadwell on the mainstream socket is made on the 14nm P1272 node, Skylake is made on the 14nm P1273 tweaked node. Kaby Lake is supposed to be made on yet another newly tweaked 14nm node. What the true differences are only Intel could tell you, but the fact that they have different process names and the clocking characteristics of Broadwell and Skylake are vastly different suggests they are in fact tweaked differently. I havent really looked into Broadwell-E as it did not interest me, so I do not know if it is made on the same node as normal BW was or if it is made on a different process. I would suspect it *should* be made on at least the same process as Skylake though. Not sure what Broadwell-C is, never heard of it myself. I only know BW-Y and -U are low power, BW-EP is xeon, and BW-E is enthusiast socket 2011-v3.
Edited by EniGma1987 - 8/31/16 at 8:03am
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post #90 of 286
Quote:
Originally Posted by Mad Pistol View Post

The biggest revolution in Intel's lineup has been Conroe. It was just a massive leap over the Pentium 4's netburst architecture. Clock-for-clock, it was literally 100% faster, used less power, and overclocked to the moon.

Sadly, we will probably never see something like this again from the consumer CPU market.

Well it was one of those architectures that was downclocked to hit performance targets. Back in the day we used to pay for 200MHz speed bump.
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