Intel i5-8400 and Trident Z DDR4 3200C14 64GB compatibility

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modeonoff

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Jul 16, 2017
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Hello, G.Skill mentioned that the speed of the CPU could affect the working of their memory especially the 64GB RGB 3200C14 ones. They recommended the i7-8700K over the i5-8400. If I go for the non-RGB version, will the Intel i5-8400 be sufficiently fast enough to make sure compatibility? Anybody tried this combinations?

G.SKILL TridentZ Series 64GB (4 x 16GB) 288-Pin DDR4 SDRAM DDR4 3200 (PC4 25600) Desktop Memory Model F4-3200C14Q-64GTZ

https://www.gskill.com/en/product/f4-3200c14q-64gtz
 
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Eximo
Yes, but I don't see how that factors into the decision. You still get the performance you pay for. AMD has less vulnerabilities at the moment, so I would lean that way. Not to mention the cheaper price per core.

But if you want an interim system, well, I suppose that would mean redefining your goals. Buy a laptop maybe? Much easier to re-sell later on.
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jaslion

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It's standard ddr4 with leds it will work fine.
 
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feelinfroggy777

feelinfroggy777

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I had not heard that about the higher speed RAM effects on the 8400. The truth is, RAM speed really does not scale well with Intel CPUs. For most applications there is little difference in performance from 2666mhz and 3200mhz.

You will need a z370 board to overclock the RAM. And after you figure in the cost of the more expensive motherboard and a 64gb kit of high speed RAM, what is another $100 or so to get a 8700/8700k.
 
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Eximo

Eximo

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Typically you only want very fast memory with K series processors. Coffelake officially supports 2666Mhz memory.

So if you want the i5, then the i5-8600k would be the better choice. Obviously for maximum performance, the i7.
 
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modeonoff

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I plan to go for the non-RGB version of the RAM mentioned in this post. Motherboard will be Asus Strix Z370-E gaming (is it better than the Prime Z370-A? Chose the Strix due to its wifi capability but don't know if the Strix's wifi will work under Ubuntu Linux). Seems like this RAM needs OC to work at 3200 but Intel i5-8400 cannot OC. What will happen if I put them together? I consider the i5-8400 to save about $350 and the cooler. Heard that there will be more announcements about those 8 new spectre issues. Basically try to get a reasonably good system but don't want to spend too much on a buggy system. Want to save $ for next year on high-end CPU with these issues removed at hardware level. As somebody mentioned, we don't know when of next year will these meltdown&spectre issues be resolved.
 
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Eximo

Eximo

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With a Z370 board you might be able to set the XMP profile, no guarantee the CPU would run it though. Worst case, it will run at 2133Mhz unless you manually set the timings to 2666Mhz.

If your plan is for the i5-8400, get some 2400 or 2666 memory and switch to a B360 motherboard, or H370 if you want some additional features. No need to pay for Z series unless you are overclocking.
 
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Eximo

Eximo

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FYI, the spectre and meltdown issues are vulnerabilities, not bugs. The CPUs will operate correctly. If you spend a lot of time going to places on the internet that aren't familiar to you, it is possible someone could gain access to the data in the CPU cache, including passwords and such. If you practice safe web browsing and practices you are at low risk.

Basically any computer, including the one you are using now, is vulnerable, so unless you are completely paranoid it shouldn't factor into your decision. The CPUs performance is degraded by some of the software fixes, but only under specific circumstances and load types.

Keep it off the internet and it will be 100% safe.
 
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modeonoff

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Thanks. I mean manufacturers are trying to block the issues using patches. Now more vulnerabilities, there may be more cpu-consuming patches coming up. Even I practice save web browsing, those patches are applied automatically in OS or bios.
 
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Eximo

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Yes, but I don't see how that factors into the decision. You still get the performance you pay for. AMD has less vulnerabilities at the moment, so I would lean that way. Not to mention the cheaper price per core.

But if you want an interim system, well, I suppose that would mean redefining your goals. Buy a laptop maybe? Much easier to re-sell later on.
 
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