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2x16gb 3200 mhz vs 4x8gb 3200mhz

4 minutes ago, xg32 said:

hardware unboxed did a test on 2 sticks vs 4, there was a definitive benefit to using 4 sticks, as long as the imc can handle it it's probably ~3% faster in general. This is good for people that doesn't oc.

That was just comparing single rank modules though iirc (2x8GB vs 4x4GB?).

In OP's case, performance should be pretty much the same between the two options, since we're talking about 2x DR vs 4x SR. I don't think it'd be worth sacrificing on future upgradability by going with 4x8GB instead of 2x16 (unless OP specifically wants four sticks for aesthetic reasons for instance).

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Posted · Original PosterOP

is there any difference between the different setups both 32gb setups and i dont think i will need to upgrade later. 

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2 minutes ago, truckerlenny1990 said:

is there any difference between the different setups both 32gb setups and i dont think i will need to upgrade later. 

2x16 GB is equal or preferable to 4x8GB.


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What are your full specs?

 

4x8 is a bit harder on the IMC, but at the same speed and timings is ever so slightly faster due to interleaving.

 

2x16 is easier on the IMC and therefore can be more stable, and OC higher.

 

Go 2x16 unless you prefer the aesthetics or unless the 4x8 is cheaper.


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Not really, no. It's extremely task dependent 


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Posted · Original PosterOP
2 minutes ago, HairlessMonkeyBoy said:

What are your full specs?

 

4x8 is a bit harder on the IMC, but at the same speed and timings is ever so slightly faster due to interleaving.

 

2x16 is easier on the IMC and therefore can be more stable, and OC higher.

 

Go 2x16 unless you prefer the aesthetics or unless the 4x8 is cheaper.

im building a new rig. 

10850k (because of 10900k availability and overpricing)

rtx3080

i wont be overclocking besides enabling xmp for 3200mhz. 

pricing is about the same, timing is about the same. im not looking at any one specific set of ram quite yet well i am considering the corsair vengence lpx kits. only because it is affordable and doesnt have rgb which im willing to pay more for no rgb

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both benefit from interleaving as 16gb dimms are dual rank, but 4x8gb is usually 1-2% faster at a given speed in benchmarks. so no big difference. most boards use a daisy chain memory topology so 2x16gb is slightly less intensive on the IMC. 4x8gb is usually 10-20 bucks more and i prefer to give myself room for expansion so i went with 2x16gb, aesthetically the 4x8gb can look nicer if you prefer a full set of rgb dimms.


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53 minutes ago, truckerlenny1990 said:

im building a new rig. 

10850k (because of 10900k availability and overpricing)

rtx3080

i wont be overclocking besides enabling xmp for 3200mhz. 

pricing is about the same, timing is about the same. im not looking at any one specific set of ram quite yet well i am considering the corsair vengence lpx kits. only because it is affordable and doesnt have rgb which im willing to pay more for no rgb

hardware unboxed did a test on 2 sticks vs 4, there was a definitive benefit to using 4 sticks, as long as the imc can handle it it's probably ~3% faster in general. This is good for people that don't oc. 

 

Now if i had to pick between 2x16 3600 cl16 vs 4x8 3866 cl15, i honestly don't know which one i'd choose til i actually plan the build.


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Posted · Best Answer
4 minutes ago, xg32 said:

hardware unboxed did a test on 2 sticks vs 4, there was a definitive benefit to using 4 sticks, as long as the imc can handle it it's probably ~3% faster in general. This is good for people that doesn't oc.

That was just comparing single rank modules though iirc (2x8GB vs 4x4GB?).

In OP's case, performance should be pretty much the same between the two options, since we're talking about 2x DR vs 4x SR. I don't think it'd be worth sacrificing on future upgradability by going with 4x8GB instead of 2x16 (unless OP specifically wants four sticks for aesthetic reasons for instance).


Desktop: Intel Core i9-9900K | be quiet! Dark Rock Pro 4 | ASUS Strix Z390-F | G.Skill Trident Z Neo 2x16GB, 3200MHz 14-14-14-34 | EVGA GeForce RTX 2070 SUPER XC Ultra | Corsair RM650x | Fractal Design Define R6

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