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Intel 8700K questions - Page 3

post #21 of 45
Well decided to go ahead and pull the trigger on the 8700K. It went in stock at Newegg for a single hour and already out of stock. I got one, overnight shipping and will be here Friday morning. Selling my X99 system and 5820K that runs 4.4Ghz at just 1.23v all day and been stable since day one 2 years ago. It can do 4.5 and 4.6ghz fine but obviously takes more voltage. My brother has a 6700K at 4.6ghz and in certains games he gets 15-20fps more than me on same settings, same GPUs, and looking at same area in map. I'll miss my trusty 5820K but I figure I may as well cash out while I still can get a decent price hopefully.
post #22 of 45
Intel’s webiste says this 8700K has the same old pathetic 16 PCIe lanes. Hence I am sticking with my 6700K on Z270 motherboard.

Intel should feel ashamed of themselves. I needed minimum 24 PCIe lanes.
post #23 of 45
Fortunately for me I just don't need that many, I don't SLI and Won't ever use/have more than 1/2 M.2 SSDS.
post #24 of 45
You can use the cooler mount for all 115x.

K-models will release Oct 5. together with Z370 boards. Non-K CPU's and lower end chipsets/boards launch next year.

I would go for at least 3000 at CL14/15/16. If you decide to buy new, 3600/CL16 looks like a sweetspot price/perf-wise. Personally I wouldn't get anything above CL16.

I'm going to build a mATX / Z370 + 8700K (and later Volta) setup myself. Think I'm going to get this:
https://www.asus.com/Motherboards/ROG-STRIX-Z370-G-GAMING-WI-FI-AC/

Or the MSI Z370M GAMING PRO AC, no link yet.

If you want cheaper. AsRock Z370M Pro 4: https://www.asrock.com/mb/Intel/Z370M%20Pro4/index.asp

Quote:
Originally Posted by d5aqoep View Post

Intel’s webiste says this 8700K has the same old pathetic 16 PCIe lanes. Hence I am sticking with my 6700K on Z270 motherboard.

Intel should feel ashamed of themselves. I needed minimum 24 PCIe lanes.

x16 on the CPU, which is pretty much only for GPU(s). Then you have additional x24 on the chipset.

SLI/CF is pretty much dead at this point. Most will use a single powerful GPU at x16 anyway.
mATX and ITX builds are also very popular.

You will easily be able to run GPU @ x16, soundcard, a few M.2 NVME drives etc.
Edited by Lass3 - 10/4/17 at 2:33am
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post #25 of 45
Quote:
Originally Posted by d5aqoep View Post

Intel’s webiste says this 8700K has the same old pathetic 16 PCIe lanes. Hence I am sticking with my 6700K on Z270 motherboard.

Intel should feel ashamed of themselves. I needed minimum 24 PCIe lanes.
Why do you need so many PCI-e lanes? The Z370 chipset will offer at least 24 PCI-e 3.0 lanes.
post #26 of 45
Gamers are always under the impression they need a lot of lanes

In many cases after they become on owner of a HEDT "gaming" system


I think quad GPU is not supported by Nvidia any more, Vega isn't getting support for it

Normal SLI, is slowly dying out as cards become ever faster, even for 4k
And was a niche to begin with
And frame timing is more important with SLI anyway

NVMe raid is sometimes stated

What a gamer would do with 20Gb/s of read I'm not sure
The difference between a Sata SSD and a M2 drive for gaming is 0 already
The only advantage I see for myself using a M2 SSD was the even lower access time, because NVMe cut down on the overhead


But ehh

Whatever floats the boat for some people

Only 2 things I have to complain about coffee lake is there is no K part with eDRAM again
Which would probably give it another nice boost in games
And I have to throw out a board I'm very happy with

Quote:
Originally Posted by d5aqoep View Post

Intel’s webiste says this 8700K has the same old pathetic 16 PCIe lanes. Hence I am sticking with my 6700K on Z270 motherboard.

Intel should feel ashamed of themselves. I needed minimum 24 PCIe lanes.

We'll I'm not telling you what to buy or why not
But see the z370 is a rebrand of z270
That why there are next to no new things compared to z270

Not a lot of changes
Certainly not what Intel said they did for coffee lake (better RAM speed, better voltage) supposedly

If anything z390 would get something new
Maybe more lanes

But Intel is already artificially restricting lanes on 2066
Doubtful they would add enough lanes to make more people happy
Edited by peter2k - 10/4/17 at 12:53pm
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post #27 of 45
I don't understand why the processor needs to provide those lanes when the chipset will.
post #28 of 45
Quote:
Originally Posted by chessmyantidrug View Post

I don't understand why the processor needs to provide those lanes when the chipset will.

I think it's because the CPU lanes are completely reserved for GPU(s) while the chipset lanes will be spread out as needed.

Example: If you got 24 PCI-E 3.0 chipset lanes, adding lets say, a Gbit Ethernet onboard (as in integrated on the motherboard) takes 1 lane if I remember correctly. Now there's 23 left. Every I/O will take up lanes (USB, Soundcard etc), some reserved, some dynamic distributed. It's up to the motherboard manufacturer.

Most people don't need that many lanes. Even for SLI/CF going x8/x8 instead of x16 won't do much, if anything. Altho some "mainstream" chipsets have PLX chip allowing for x16/x16 anyway.

Only people building very high end rigs should really think about the lanes. Think; 2-3-4 way SLI/CF, M.2 NVME Raid etc.

Serious and "pro gamers" often stick with one GPU. It delivers the best smoothness and responsiveness. mGPU like SLI/CF will make frametimes jump all over the place in most games, which can sometimes make high fps looks stuttery. Minimum fps can take some huge dips. I have had a few mGPU setups in the past, I'll never touch it again. A fast single GPU is just way more smooth with no issues. Playing around with SLI bits and editing cfg/ini's to make games work becomes tiresome after a while.
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post #29 of 45
I know the difference between lane allocation from the CPU and chipset. That still doesn't answer my question.
post #30 of 45
Quote:
Originally Posted by chessmyantidrug View Post

I know the difference between lane allocation from the CPU and chipset. That still doesn't answer my question.

Latency. Why go through the chipset when it needs to go to the CPU anyway. Just go straight there.
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