i3 8100 RAM Speed

[Od1sseas]

On ark.intel it says that the i3 8100 supports up to 64GB ram on 2400Mhz. What will happen if i put 3200Mhz ram on it? It will not work? It will oparate at 2400Mhz?

[cj09beira]

it will just operate at 2400 

[Airdragonz]

It'll work. The Intel site only displays the maximum tested frequency. Often times, this is much lower than the max frequency the processor can handle. Just make sure your motherboard supports the 3200mhz and xmp. 

[Od1sseas]

1 minute ago, Airdragonz said:

It'll work. The Intel site only displays the maximum tested frequency. Often times, this is much lower than the max frequency the processor can handle. Just make sure your motherboard supports the 3200mhz and xmp. 

What is XMP?

[deXxterlab97]

It will be downclocked at 2400Mhz. Most 3200Mhz are more expensive than 2400 so there is no use to waste money on it, unless it is cheaper

[Jurrunio]

Any more than that requires Z mobo to reach.

[deXxterlab97]

Just now, Od1sseas said:

What is XMP?

In Layman's term: overclocking RAM to higher speed

[Od1sseas]

1 minute ago, deXxterlab97 said:

It will be downclocked at 2400Mhz. Most 3200Mhz are more expensive than 2400 so there is no use to waste money on it, unless it is cheaper

Also on ark.intel says that supports only Dual Channel, so 4x4Gb ram will not work on a Z370 mobo?

[whoisit1118]

Shouldn't be a problem if you overclock, just enable XMP(It is like standard ram overclock profile made by the ram manufacturer) and you should be running your ram at 3200mhz.

[Jurrunio]

1 minute ago, Od1sseas said:

Also on ark.intel says that supports only Dual Channel, so 4x4Gb ram will not work on a Z370 mobo?

4x4 is still dual channel. 2 sticks on each channel

[whoisit1118]

Just now, Od1sseas said:

Also on ark.intel says that supports only Dual Channel, so 4x4Gb ram will not work on a Z370 mobo?

If it has 4 ram slots, 4x4 will work, but will only run at dual channel instead of quad channel.

[deXxterlab97]

Just now, Od1sseas said:

Also on ark.intel says that supports only Dual Channel, so 4x4Gb ram will not work on a Z370 mobo?

Channels and amount of RAMs does not mean equal each other, they will run in dual channel only as Z370 does not support quad channel. Basically any even amount of RAM sticks will run in dual channels, ie 2, 4, 6 and 8 sticks of RAM if boards has space for more RAM sticks. And 4, 8 sticks would run in quad channel

[deXxterlab97]

1 minute ago, whoisit1118 said:

Shouldn't be a problem if you overclock, just enable XMP(It is like standard ram overclock profile made by the ram manufacturer) and you should be running your ram at 3200mhz.

except i3 8100 only supports up to 2400 Mhz https://ark.intel.com/products/126688/Intel-Core-i3-8100-Processor-6M-Cache-3_60-GHz

[Od1sseas]

Just now, deXxterlab97 said:

except i3 8100 only supports up to 2400 Mhz https://ark.intel.com/products/126688/Intel-Core-i3-8100-Processor-6M-Cache-3_60-GHz

I saw some benchmarks that 3200Mhz ram improves performance compared to 2400Mhz, but how is that possible if the CPU only supports 2400Mhz ram? Also the 3200Mhz ram wasn't overclocked. It was just stock 3200Mhz rams

[deXxterlab97]

Just now, Od1sseas said:

I saw some benchmarks that 3200Mhz ram improves performance compared to 2400Mhz, but how is that possible if the CPU only supports 2400Mhz ram? Also the 3200Mhz ram wasn't overclocked. It was just stock 3200Mhz rams

It only runs at 2400 Mhz and not at 3200 Mhz at all. So you need a different CPU if you want those extra RAM speeds

[Od1sseas]

Just now, deXxterlab97 said:

It only runs at 2400 Mhz and not at 3200 Mhz at all. So you need a different CPU if you want those extra RAM speeds

But how is possible to get better performance with 3200Mhz RAM if the CPU only supports 2400Mhz? TechSource also said that 3200Mhz ram improves performance especially in gaming

[deXxterlab97]

Just now, Od1sseas said:

But how is possible to get better performance with 3200Mhz RAM if the CPU only supports 2400Mhz? TechSource also said that 3200Mhz ram improves performance especially in gaming

IT. IS. NOT. POSSIBLE.

[whoisit1118]

11 minutes ago, deXxterlab97 said:

except i3 8100 only supports up to 2400 Mhz https://ark.intel.com/products/126688/Intel-Core-i3-8100-Processor-6M-Cache-3_60-GHz

No, that is the standard supported RAM speed. For example, https://ark.intel.com/products/126687/Intel-Core-i5-8400-Processor-9M-Cache-up-to-4_00-GHz  

I am currently running this i5-8400 and the RAM runs fine at 3000 mhz when XMP is enabled. I am almost certain it is possible. NO idea what you are saying @deXxterlab97

[whoisit1118]

8 minutes ago, Od1sseas said:

But how is possible to get better performance with 3200Mhz RAM if the CPU only supports 2400Mhz? TechSource also said that 3200Mhz ram improves performance especially in gaming

It is possible to run a 3200 Mhz RAM. But here is an idea: If you are going to pay extra for faster RAM, you might as well spend that money for getting the 8400 instead.. 

[Od1sseas]

4 minutes ago, whoisit1118 said:

It is possible to run a 3200 Mhz RAM. But here is an idea: If you are going to pay extra for faster RAM, you might as well spend that money for getting the 8400 instead.. 

Ok thanks.

 

For example if i have G4560 (ark.intel 2133-2400) and i put 3200Mhz ram on a B250 Mobo it will perfrom better? Ram will run on 3200?

[whoisit1118]

4 minutes ago, Od1sseas said:

Ok thanks.

 

For example if i have G4560 (ark.intel 2133-2400) and i put 3200Mhz ram on a B250 Mobo it will perfrom better? Ram will run on 3200?

It will marginally perform better(Much more difference on Ryzens though), and yes, RAM will run at 3200 if the motherboard supports XMP(Most if not all Z370 supports it though, idk about B250).

[cj09beira]

memory overclocking is only supported on z series chipsets

[intender]

First off all ddr4 ram is 2133mhz.  anything over that is technically an overclock.  the ram manufacturers test it at higher speeds and enable the speeds as an xmp profile.  when you put the ram in your computer it will default to 2133 until you either manually change the speeds and timings and voltages or enable the xmp profile.  The speed that your ram can hit (with high speed kits) will almost always be limited by the integrated memory controller on the cpu if you are running an intel chip on a z board with all the voltage options available to you.  I have some ddr4 4000 mhz in a z170 board with a pentium g4600.  Either the memory controller or the lack of vccsa voltage adjustment on the board limits me to only getting 3800mhz out of it.  I obviously had to set up the ram manually because the only xmp profile on the ram is for 4000mhz.  I run it at 3600mhz with tight timings however because it performs better like that.  in games the difference between 3000mhz and 3600mhz is very low.  I dont have hard numbers on it but when I tested it with a handful of games and benchmarks its within 1-2 fps at most.  the jump from 2400 to 3600 was noticable though.  this is with a 1050ti.  with the igpu the difference was massive.  20% or more in the couple of things I tested.  It still ran like crap either way.  overwatch went from almosst unplayable @ 1080p low settings to a steady 35-40fps most of the time. 

[whoisit1118]

18 minutes ago, intender said:

First off all ddr4 ram is 2133mhz.  anything over that is technically an overclock.  the ram manufacturers test it at higher speeds and enable the speeds as an xmp profile.  when you put the ram in your computer it will default to 2133 until you either manually change the speeds and timings and voltages or enable the xmp profile.  The speed that your ram can hit (with high speed kits) will almost always be limited by the integrated memory controller on the cpu if you are running an intel chip on a z board with all the voltage options available to you.  I have some ddr4 4000 mhz in a z170 board with a pentium g4600.  Either the memory controller or the lack of vccsa voltage adjustment on the board limits me to only getting 3800mhz out of it.  I obviously had to set up the ram manually because the only xmp profile on the ram is for 4000mhz.  I run it at 3600mhz with tight timings however because it performs better like that.  in games the difference between 3000mhz and 3600mhz is very low.  I dont have hard numbers on it but when I tested it with a handful of games and benchmarks its within 1-2 fps at most.  the jump from 2400 to 3600 was noticable though.  this is with a 1050ti.  with the igpu the difference was massive.  20% or more in the couple of things I tested.  It still ran like crap either way.  overwatch went from almosst unplayable @ 1080p low settings to a steady 35-40fps most of the time. 

Yeah, Overwatch is one of the games that are quite affected by RAM speed.