Intel Skylake / Kaby Lake

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AtenRa

Lifer
Feb 2, 2009
14,003
3,361
136
Different market segments as well.

Why they are different market segments ??? Because of the faster iGPU ??? in that case Skylake is in different market segment than Haswell because Skylake iGPU is faster.
 

Sweepr

Diamond Member
May 12, 2006
5,148
1,142
131
Almost missed Hardware Canucks review.












Core i7 6700K 15.1% faster than Core i7 4790K


Core i7 6700K 15% faster than Core i7 4790K

That's how you test CPU-bound gaming, take a note reviewers.

As someone who currently games and works on an i7-4790K based system I’ll be the first to say that Haswell and especially Devil’s Canyon users won’t see any tangible performance benefits in most applications. Intel’s lock-step intergenerational improvements of about 10% continue here just like they did with Ivy Bridge, Haswell and Broadwell so some enthusiasts will likely want to roll their eyes and say “I’ll wait for whatever comes next”. However anyone still on the Sandy Bridge or Ivy Bridge platform will likely see a noticeable speedup in everything from gaming to video conversion to photo processing.

The 20% improvement over a comparable i7-4770K may be a minimal number for many of you reading this but we can see where Intel focused their microarchitecture update efforts in the move from the Haswell to Broadwell to Skylake. In tests that use x86 instruction sets, engage a single processing thread or cause another component to bottleneck things, gains over Haswell-generation CPUs will be minimal at best. Other applications which use newer instruction sets like AVX2 and SSE4.1 see stratospheric improvements and as additional programs roll those features, we can expect the gap between old and new to widen further. More importantly, many of these benefits have been achieved on a processor that has a 5% lower Turbo clock than an i7-4790K, proving that despite frequency stagnation IPC rates continue to rise.

Intel’s official Skylake reveal with its full array of SKUs and architecture details may be a few weeks away but what we’ve seen so far is certainly impressive. The i7-6700K, i5-6600K and Z170 platform may only be tasty appetizers before the main course is served but if first impressions are anything to go by, this processor generation may be one of the most popular in recent memory. While the i7-6700K didn’t really blow my mind with its benchmark numbers, it provides more than enough performance uplift over previous generations to justify upgrading a pre-Haswell generation system. As higher bandwidth SSDs and USB 3.1 devices become increasingly widespread, even Z97 and Z87 users may start jumping ship into Z170’s waiting arms. It will certainly be interesting to see what the rest of Intel’s Skylake lineup will look like.

www.hardwarecanucks.com/forum/hardw...54-intel-i7-6700k-review-skylake-arrives.html

Much better benchmark selection and conclusion than AnandTech.
*They used DDR4-2666 memory.

Complete review list (you can also find it in the first page of this thread!):

Skylake-S is Here: Core i7 6700K and Core i5 6600K Reviews
- AnandTech
- Hardware Canucks
- The Tech Report
- Guru3D
- Tom's Hardware
- ComputerBase
- Hardware.fr
- HardOCP
- Bit-tech
- Hexus
- PCGamesHardware.de
- PCWorld
- PC.Watch (Japan)
- Lab501
- Jagat Review
- Techspot
- Weeder
- Digital Trends
- Maximum PC
- Review Studio
- TechTeamGB
- Overclock3D
- Hot Hardware
- Lan OC Reviews
- NL Hardware
- PC Perspective
- TweakTown
- KitGuru
- Trusted Reviews
 
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dahorns

Senior member
Sep 13, 2013
550
83
91
Ohh look at those lovely graphs, with all those $350 CPUs we have a single $140 AMD APU but zero Intel 2011-v3 CPUs.

I mean, AMD is not relevant to charts anyway. This is about whether Intel improved on Devil's Canyon/Broadwell-C. We know Intel's top-end is better than AMD.
 

AtenRa

Lifer
Feb 2, 2009
14,003
3,361
136
I mean, AMD is not relevant to charts anyway. This is about whether Intel improved on Devil's Canyon/Broadwell-C. We know Intel's top-end is better than AMD.

Have you seen an AMD CPU review of an 8-core $200 CPU that only has an Intel Celeron representative ???

Most reviews left out socket 2011-v3 on purpose in order to show skylake socket 1151 in a better light. :whiste:
 

Headfoot

Diamond Member
Feb 28, 2008
4,444
641
126
Yeah I only read like one review where the 5820k was included. IMO the only real decision is whether to go 6700k or 5820k.
 

PPB

Golden Member
Jul 5, 2013
1,118
168
106
I love how some usual suspects say you can now get DDR4 for the price of DDR3, but yet, if you equip those slow DDR4 kits with your SKL chip you are undeniabily crippling it from performing as high as the so called 15% perf increase those same usual suspects are trying, so hard, to force into the readers.

The truth is:

To make that 15% in those selected benchmarks, you have to lower your pants for sky high priced DDR4 3000+ kits, then add a new and bulkier in the VRM area mobo, and then, a heatsink. Yeah, the platform upgrade here is what kill any value in upgrading unless you are with ancient platforms whose missing features are crippling you in some way (PCI-E 3, more SATA 3/USB3, M.2, etc).

Only SB with dud OC chips and prior will see any value into jumping to SKL. For me its waiting to Kaby Lake and what it can offer in the OC area and see if DDR4 3000+ kits then are at least matching the price of DDR3 2133/2400 kits.
 

Sweepr

Diamond Member
May 12, 2006
5,148
1,142
131
Skylake-S Overclock Summary

- PC Perspective got their sample to 4.7 GHz
- Hardware Canucks got their sample to 4.8 GHz
- Arstechnica got their sample to 4.8 GHz
- Guru 3D got their sample to 4.8 GHz
- Techspot got their sample to 4.8 GHz
- Tom's Hardware got their sample to 4.7 GHz
- Bit-Tech got their sample to 5.0 GHz (Prime stable), 4.8 GHz (Prime + Gaming stable)
- HardOCP got their sample to 4.7 GHz
- AnandTech got their sample to 4.5 GHz
- Hexus got their sample to 4.6 GHz
- Lab501 got their sample to 5.0 GHz
- Maximum PC got their sample to 4.7 GHz
- Lan OC Reviews got their sample to 4.7GHz (Stock Voltage)
- Overclock3D got their sample to 4.8 GHz
- TweakTown got their sample to 4.8 GHz (5.2 GHz CPU-Z Validation)
- KitGuru got their sample to 4.8 GHz
- Hispazone got their sample to 4.8 GHz
- NL Hardware got their sample to 4.8 GHz

phillyman36 said:
@Sweepr. Thanks for keeping up and posting as much info about Skylake you have found.

You're welcome.
 
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Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
Skylake-S Overclock Summary

- PC Perspective got their sample to 4.7 GHz
- Hardware Canucks got their sample to 4.8 GHz
- Arstechnica got their sample to 4.8 GHz
- Guru 3D got their sample to 4.8 GHz
- Techspot got their sample to 4.8 GHz
- Tom's Hardware got their sample to 4.7 GHz
- Bit-Tech got their sample to 5.0 GHz (Prime stable), 4.8 GHz (Prime + Gaming stable)
- HardOCP got their sample to 4.7 GHz
- AnandTech got their sample to 4.5 GHz
- Hexus got their sample to 4.6 GHz
- Lab501 got their sample to 5.0 GHz
- Maximum PC got their sample to 4.7 GHz
- Overclock3D got their sample to 4.8 GHz
- TweakTown got their sample to 4.8 GHz (5.2 GHz CPU-Z Validation)
- KitGuru got their sample to 4.8 GHz



You're welcome.

Look like Hardware.fr was incredibly unlucky, wasnt enough that they had to put Sandy Bridges in their review as this was apparently a requirement from Intel..


http://www.hardware.fr/articles/940-21/cpu-overclocking-pratique.html








All they could do was to trinckle down the power deltas that are obviously shaved, and do not even follow the most favourable frequency/power curves...
 

dahorns

Senior member
Sep 13, 2013
550
83
91
Look like Hardware.fr was incredibly unlucky, wasnt enough that they had to put Sandy Bridges in their review as this was apparently a requirement from Intel..

Is there a reason they shouldn't include Sandy Bridge? Seems like a very odd complaint.
 

coercitiv

Diamond Member
Jan 24, 2014
6,400
12,849
136
I love how some usual suspects say you can now get DDR4 for the price of DDR3, but yet, if you equip those slow DDR4 kits with your SKL chip you are undeniabily crippling it from performing as high as the so called 15% perf increase those same usual suspects are trying, so hard, to force into the readers.
We don't actually have proper memory scaling data for Skylake yet, but my guess is we won't see a much different picture than what Haswell-E painted.
 

Essence_of_War

Platinum Member
Feb 21, 2013
2,650
4
81
Is there a reason they shouldn't include Sandy Bridge? Seems like a very odd complaint.
Yeah that seems pretty weird thing to complain about to me also. What's the problem with seeing SB, are SB owning enthusiasts not a target audience the latest unlocked processors?
 

jpiniero

Lifer
Oct 1, 2010
14,840
5,456
136
Yeah, I see no need to suggest that Sandy owners need to upgrade to Skylake. Still, it's better than expected. Skylake-C might be the one to get, with the edram giving more bandwidth.
 

pcslookout

Lifer
Mar 18, 2007
11,944
150
106
Yeah, I see no need to suggest that Sandy owners need to upgrade to Skylake. Still, it's better than expected. Skylake-C might be the one to get, with the edram giving more bandwidth.

So my i5-2500k is still good and upgrading wouldn't be worth it ?
 

Abwx

Lifer
Apr 2, 2011
11,167
3,862
136
Is there a reason they shouldn't include Sandy Bridge? Seems like a very odd complaint.

Of course they didnt complain about this directly.

Their critic was that they received their samples only last friday, and they surely had no scores for the old CPUs since they updated their benches last september..

Also there s no uarch slides because it s still under NDA till Intel s devellopper forum, actualy they received about no doc at all, even for overclocking capabilities...
 

Fjodor2001

Diamond Member
Feb 6, 2010
3,926
404
126
Skylake-S Overclock Summary

- PC Perspective got their sample to 4.7 GHz
- Hardware Canucks got their sample to 4.8 GHz
- Arstechnica got their sample to 4.8 GHz
- Guru 3D got their sample to 4.8 GHz
- Techspot got their sample to 4.8 GHz
- Tom's Hardware got their sample to 4.7 GHz
- Bit-Tech got their sample to 5.0 GHz (Prime stable), 4.8 GHz (Prime + Gaming stable)
- HardOCP got their sample to 4.7 GHz
- AnandTech got their sample to 4.5 GHz
- Hexus got their sample to 4.6 GHz
- Lab501 got their sample to 5.0 GHz
- Maximum PC got their sample to 4.7 GHz
- Lan OC Reviews got their sample to 4.7GHz (Stock Voltage)
- Overclock3D got their sample to 4.8 GHz
- TweakTown got their sample to 4.8 GHz (5.2 GHz CPU-Z Validation)
- KitGuru got their sample to 4.8 GHz
- Hispazone got their sample to 4.8 GHz
- NL Hardware got their sample to 4.8 GHz

So the early leaks claiming they got Skylake to 5.2 GHz on air is like fake, or an extreme golden chip, or a brief suicide run? None of the reviews got it above 5 Ghz, and only one above 4.8 Ghz.
 
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