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Daniel Vrangsinn

i7, i9 or Xeon for Cakewalk by Bandlab?

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  • Not every process in a DAW can be multi-threaded.
  • Performance increase is not a 1:1 ratio when adding cores.  (Doubling the number of CPU cores doesn't double performance)

Thus, clock-speed is king when choosing a CPU for a DAW.

What you don't want to do is sacrifice significant clock-speed for more cores.

Xeon CPUs often have significantly slower clock-speed... and can thus result in a significant performance hit.

 

In a perfect scenario, you want highest clock-speed... and maximum number of CPU cores.

This is why the i9-9900k is such a great choice for DAW purposes.

  • 8 cores, 16 processing threads that can all be locked at 5GHz
  • With the right air-cooler, it runs near dead-silent

 

To best the i9-9900k, you're talking high-end socket-2066 i9 CPU... which is significantly more expensive.

Higher-end socket-2066 i9 CPUs require water-cooling with large radiator.

ie:  Noctua air-coolers (NH-U14s, NH-D15s) can't dissipate enough heat from an i9-9980xe when all cores are under heavy load.

More expensive CPU, Motherboard, Cooler, Power-Supply (it adds up quickly)

 

 

 

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3 hours ago, Daniel Vrangsinn said:

If 550 is enough, I will of course buy smaller and save some money

If you're building a DAW with a i9-9900k, a 550w power-supply is definitely on the lean side.

You want to leave yourself the opportunity to add a GTX video card (video editing), more internal drives, use of bus-powered MIDI controllers, etc.

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32 minutes ago, Noel Borthwick said:

@Jim RoseberryCan the processor threads be clock speed locked with earlier intel processors than the I9?

Hi Noel,

Great to have you here!

 

You can certainly disable CPU throttling.  That should be the case (already) with your machine (assuming the BIOS settings haven't changed).

If throttling is happening, let me know... and I'll PM settings to eliminate it.

 

Whether you can lock all cores at the highest TurboBoost frequency depends on the specific CPU.

ie:  The latest i9-9980xe is pushing the limits of that design/architecture.  You may not be able to lock all 18 cores at 4.5GHz (and achieve 100% stability).

Same with earlier designs

 

Designs with higher core counts typically can't be clocked as high.

 

You've got adequate cooling.

In the BIOS, you can change the TurboBoost multiplier to 35 (for all cores).

If there's any instability, go back into the BIOS and drop that number down.

Edited by Jim Roseberry
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Hello Noel :   my 8086k is 6 cores locked @ 4012 Ghz all  cores . it runs perfect ..My U14s keep me @31c all cores never get's to  hot !  

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