Upcoming Intel i7 8700K release

[lownslo 592]

We can start with this from TechPowerUp, in his conclusions section of the 8700K review:

Incredible single-threaded performance

Now the Wizz can sometimes "overuse" his adjectives, but for flight simmers the single core performance of the 8700K is quite worthwhile... especially when coupled with the 6/12 cores/threads and cache levels.

https://www.techpowerup.com/reviews/Intel/Core_i7_8700K/19.html

Greg

[larshall 4]

And we can continue with these from TechReport and Tomshardware:

http://techreport.com/review/32642/intel-core-i7-8700k-cpu-reviewed/16

http://www.tomshardware.com/reviews/intel-coffee-lake-i7-8700k-cpu,5252-13.html

Looks like my trusty Ivybridge i5-3570K might well be in line for a replacement. I will wait for reviews of the i5-8600K though :-)

 

 

[vortex681 806]

4 hours ago, lownslo said:

We can start with this from TechPowerUp, in his conclusions section of the 8700K review:

Incredible single-threaded performance

 

Unless I'm reading it wrongly, this seems to conflict with the review at http://www.guru3d.com/articles_pages/intel_core_i7_8700k_processor_review,1.html. Copying info from my other post in this forum, page 7 in the link above shows that there's minimal difference between the single-thread IPC of the 6700k and the 8700k (and it's identical to the 7600k). What's more disappointing is that the single core CPU-Z benchmark score on page 8 for the 8700k is really no better than the old 4790k!

[QuaxTheSnoopie 16]

One thing has to be taken into account:
The reduction of core turbo frequency as more cores are used.
In my case (4790K), I experienced phases of frame rate jitter for some seconds as the FSX backround rendering started: rendering used the non-maintask cores to 100%, so processor frequency was reduced, this lead to a jumping frame rate every ten seconds.
Solution in my case was to enable an ASUS specific board function "sync all cores" (with a good cooling solution), so that these phases of scenery rendering on the non-maintask cores don't reduce the turbo clock. That lead to a steady FSX frame rate.
I hope, for the 8700K, the mainboard manufacturers will give similar mechanism.

[lownslo 592]

45 minutes ago, vortex681 said:

Unless I'm reading it wrongly, this seems to conflict with the review at http://www.guru3d.com/articles_pages/intel_core_i7_8700k_processor_review,1.html. Copying info from my other post in this forum, page 7 in the link above shows that there's minimal difference between the single-thread IPC of the 6700k and the 8700k (and it's identical to the 7600k). What's more disappointing is that the single core CPU-Z benchmark score on page 8 for the 8700k is really no better than the old 4790k!

Of course, we know there is always some level of subjectivity in all these reviews (really, the testing norms are often... not so scientific).  For instance, the TechReport's Cinebench numbers represent the 8700K at stock speed (3.7Ghz) and at 4.8GHz (all cores), whereas the 7700K is tested at it's stock speed (4.2GHz).  Each of them have their own methods... Hilbert's CPU-Z single core results also test the 8700K and 4790K at (their different) stock speeds.  Soon hopefully, we'll see speed-for-speed comparisons.  But also there's the 8700K's 50% increase in cores/threads as well as L3.  In the real world (that would be our flight sim world ) those attributes give us much more flexibility in how we configure our systems.  And all for just a few more dollars than we were paying (for years) for Intel's top of the line HEDT CPU's!  Thank you AMD!

Greg

[Sethos 4,304]

Well I ordered mine, delidded and pre-binned to run at 5.1GHz on all cores 24/7. So hopefully I can push that to 5.2 - 5.3GHz on Core 0, then perhaps drop it a bit on the other cores. Though it seems this is a very rushed, sparse launch. I'd say it's bordering on a paper launch with the low amount of stock retails have been receiving. So not really expecting to receive anything until November, early December to be honest. 

[SpiritFlyer 987]

Good move.

I hope you get it earlier than expected so you can test it in FS on all our behalf!

Kind regards,

[vincentrouleau 71]

Where did you order it pre delidded? Silicon lottery is not taking order now

[Sethos 4,304]

Caseking.de

[vortex681 806]

12 hours ago, lownslo said:

Of course, we know there is always some level of subjectivity in all these reviews (really, the testing norms are often... not so scientific).  For instance, the TechReport's Cinebench numbers represent the 8700K at stock speed (3.7Ghz) and at 4.8GHz (all cores), whereas the 7700K is tested at it's stock speed (4.2GHz).  Each of them have their own methods... Hilbert's CPU-Z single core results also test the 8700K and 4790K at (their different) stock speeds.  Soon hopefully, we'll see speed-for-speed comparisons.

Hilbert's single core IPC test seemed fair as he says that everything was set to 3500MHz.

I'm not for a moment saying that anyone upgrading shouldn't buy the 8700k - I would if I was upgrading now. I just think that for flight sims, there's not going to be a big improvement over the 6700k or the 7700k. We'll only really know when someone actually tests it with the software.

[GCBraun 2,390]

It seems that 8700k is really a paper launch as they are not at all available where I live (Germany). I have, therefore, bought an 7700k and will upgrade when the 8-cores 10nm Ice-Lake releases. From what I've seen, the difference will be very small in games/simulators. 

[JohnsonPBX 8]

Well, for the time being I will rely on you guys for reviews once those of you who ordered the processor start receiving it. If it's out of stock in the first-world countries, it will take a while for them to be here (at least a month or two being optimistic). That will give me some extra time to save, as I am also planning to buy a motorcycle—that investment would be 6x what the PC upgrade costs.

I will stay tuned.