Asus ROG Strix Z390-I Gaming, Prime Z390-A Motherboards Unboxed

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cookiemania66

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Jul 19, 2018
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I bet it is a 4+1 phase with doubler! :D
 
Sep 6, 2018
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"the memory traces between the processor and memory slots are also shorter, which in turn, give the ROG Strix Z390-I Gaming the edge in memory performance..." Am I understanding this right? That physical proximity on a small motherboard is going to translate into measureable memory performance increase to give some kind of edge. I'm no physicist but that just sounds wrong.
 
Sep 6, 2018
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"the memory traces between the processor and memory slots are also shorter, which in turn, give the ROG Strix Z390-I Gaming the edge in memory performance over standard ATX offerings." Am I reading this right? That the shorter physical distance involved are going to translate into any kind of measureable edge? I'm no physicist but that doesn't sound correct.
 

cookiemania66

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Its correct.
Some X299 Boards only have 4 Dimm Slots indead of 8 and this does increase memory performance by a little bit.
Why? Well the signals have to travel a shorter way, there are less traces with 2 Dimm Slots then with 4 and this makes interferance better so each dimm slot slot is not beafing with each other.
Moreover if you have to put less traces (like 50% less because 2<4 :D ) you dont need to root them all the way around the other ones. Space on a motherboard is really rare especially on ITX Boards (also a reason why ITX Boards are so expensive).

And this "the shorter the way the better" also goes for things like VRMs.
If the Voltage supplied for your CPU does have a travel a long way your VRM might need to output (just a random example now!) 1,3V so that the CPU input voltae is 1,27V. Thats why the VRM is right next to your CPU.
 
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