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Questions before locking in one of the 8700k's

jeff83nz

jeff83nz

jeff83nz

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Joined
26 Aug 2013
Posts
429
I have a few questions, which I think allot of us will today. Basically

What ram is optimal for the 8700k, is it the 8pack 3200mhz c14 stuff, or should it be somethingelse (currently this is in my basket).
Can you cool these bad boys on a 120mm AIO (in an ITX enclosure) or is this going to throttle it?
Is the "
Z370 AORUS Ultra Gaming Intel Z370 (Socket 1151) DDR4 ATX Motherboard" a good buy?

<3 you all
 
jeff83nz said:
I have a few questions, which I think allot of us will today. Basically

What ram is optimal for the 8700k, is it the 8pack 3200mhz c14 stuff, or should it be somethingelse (currently this is in my basket).
Can you cool these bad boys on a 120mm AIO (in an ITX enclosure) or is this going to throttle it?
Is the "
Z370 AORUS Ultra Gaming Intel Z370 (Socket 1151) DDR4 ATX Motherboard" a good buy?

<3 you all
Click to expand...
Yes that RAM is good. Yes the motherboard is good. Depends on the 120mm AIO how far you can push the 8700k (and silicon lottery of the CPU itself). With a 120mm, 5ghz might be difficult.
 
With regards to ram I'd personally only go for the 8 pack or G.Skill ram due to using b-die. It allows for some pretty good overclocks.

I personally went for the fastest ram my budget would allow (4266Mhz). If you can squeeze in faster than 3200Mhz you might as well go for it.

Given the choice of a 120mm AIO or air cooler I'd personally go for an air cooler. Something like the Noctua D15 would be relatively cheap and perform as well as 240mm AIO coolers.

Obviously it depends on what ITX case you have, I assume there's a reason you want a 120mm AIO (likely space) but some of them are large, the Nano S for example can take a Noctua cooler.

Ultimately how sufficient a cooler is depends on what you want to achieve, a relatively small cooler isn't going to handle 1.35 volts and a crazy overclock during full load.

To be honest the 8700k is a monster, even at stock it smashes through everything....

Motherboard is absolutely fine, to be honest for everyday usage and overclocks most Z370 motherboards perform the same, it's only when you start pushing for extreme usage that things change. You can pretty much just pick a motherboard based on needs and look, if you're trying to build a themed rig.
 
With regards to the AOI, I am cooling my 8700k (albeit at stock) with a Kuhler 620 (single 120mm fan) without any issues. Gamed for hours with no hint of throttling or temperature issues. I am running my system in a Corsair 250D with a single 180mm intake fan (Kuhler acts as an exhaust). I should note the Fractal Design fan is stuck at 100% due to a lack of PWN control so that is probably helping the temps a bit :p.

I probably wouldn't be pushing any 5ghz+ overclocks with this setup but locking in the 4.7Ghz single core boost across all cores should be fine.

RAM wise I am using the 8Pack Teamgroup stuff (3200 C14) as it was from a Ryzen bundle. No problems what so ever.
 
What is the process of O/C i7 8700k Retail and pushing it to 5 GHZ ? can someone explain what I need to do in the Bios ? tempted to give it ago.
 
jasonsony735 said:
What is the process of O/C i7 8700k Retail and pushing it to 5 GHZ ? can someone explain what I need to do in the Bios ? tempted to give it ago.
Click to expand...

Set vcore to 1.35v and set multi to 50.
If it boots see if its stable, if so reduce voltage, if not increase voltage.
Keep an eye on temps!
 
jeff83nz said:
I have a few questions, which I think allot of us will today.
Click to expand...

You're right there, I have a question related to this thread and cooling inquiry.

Does anyone have a fair idea of how much very fast RAM (say 4000+ compared to 3200) affects CPU temperature on Coffee Lake, once relevant voltages are increased to cope with the RAM frequency/timings? Is it just a couple of degrees or more like 5-10?
 
Danny75 said:
You're right there, I have a question related to this thread and cooling inquiry.

Does anyone have a fair idea of how much very fast RAM (say 4000+ compared to 3200) affects CPU temperature on Coffee Lake, once relevant voltages are increased to cope with the RAM frequency/timings? Is it just a couple of degrees or more like 5-10?
Click to expand...

A few degrees at most. From my own testing from 3200 (and everything in between) to 4000 the difference is minimal and will not be noticed in real world usage.
 
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