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New CPU + old RAM issue

Xaiwaker
By Xaiwaker
in CPUs, Motherboards, and Memory
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Go to solution Solved by Chris Fortune,
1 minute ago, Xaiwaker said:

Okay, I`ve installed CPUiD and look what it shows me vs the BIOS info. 

1.PNG

photo_2020-11-05_20-31-46.jpg

That is exactly what I would expect to see, no issue at all

Posted

Hi guys,

 

Need your help/advice.

 

I`ve installed new Ryzen 3700x (previous CPU Ryzen 1600) to my MSI x370 motherboard recently. Also I have 2x8GB Hyperx Predator RAM sticks which were installed with the old CPU before. I use XMP porfile 1 with 2999 mhz speed, but I see only 1500 mhz in windows task manager. It worked perfectly with a ryzen 1600 on 2999 mhz speed.

 

What could have gone wrong?

 

Oh, also I`ve updated BIOS as well before installing new CPU

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1 minute ago, Xaiwaker said:

But why it shows me 3000mhz when I was on ryzen 1600 and 1500mhz on ryzen 3700x? 

do    not   knwo,    but   DDR=    douple   data rate   so   1500mhz=3000mhx

I Use my knowledge as business owner and self taught technician aswell as an AI to help people. AI might be controversial but it actually works pretty well 90% of the time.

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2 minutes ago, Xaiwaker said:

But why it shows me 3000mhz when I was on ryzen 1600 and 1500mhz on ryzen 3700x? 

Did you check the memory speed after you installed the new Bios but before the new CPU? Also how are you detecting the memory clock? 

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4 minutes ago, Chris Fortune said:

Did you check the memory speed after you installed the new Bios but before the new CPU? Also how are you detecting the memory clock? 

No, I didn`t check that. When I goes to xmp profiles I see chosen speed (3000) is currently works. Maybe I really misunderstand something. 

So as I understand, if BIOS shows me the right speed no big deal what shows me windows task manager, and RAM works at 3000 mhz clock speed. Am I right?

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In task manager my memory shows at the full speed (DDR rate) but in CPUiD it shows the true clock rather than the data rate so it does make a difference where you read it. I have no idea if this is also motherboard dependent as to what shows where but I would trust what your MB says over others

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9 minutes ago, Chris Fortune said:

In task manager my memory shows at the full speed (DDR rate) but in CPUiD it shows the true clock rather than the data rate so it does make a difference where you read it. I have no idea if this is also motherboard dependent as to what shows where but I would trust what your MB says over others

Okay, I`ve installed CPUiD and look what it shows me vs the BIOS info. 

1.PNG

photo_2020-11-05_20-31-46.jpg

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