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Old   November 17, 2017, 11:07
Default New workstations
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Hi everyone,

My company is looking to upgrade our current workstations and I was wondering what recommendations you guys have.

These workstations won't be primarily used to solve the CFD problems as we have a dedicated cluster for that. They will mostly be used to handle CAD, meshing etc and on occasion small simulations up to a million or two cells.

So potent single core performance is required. I'm just not sure what the status of the current crop of processors is.

Budget is up to 6k.

Many thanks
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Old   November 17, 2017, 13:56
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One of the best CAD-only CPUs right now is the I7-8700k thanks to its high clock speed and performance per clock. But it lacks two things: ECC support and memory bandwidth for CFD simulations. Well three things: it only handles a maximum of 64GB of memory. You know best if you need more, e.g. for meshing.
So you might have to do a trade-off: slightly lower single-core performance (for CAD) versus significantly better simulation performance.

Option 1) Intel Core I7-7800x (6 cores) or 7820x (8 cores). Still lacks ECC support, you decide if you need it
Option 2) Intel Xeon W-2135 (6 cores) or Xeon W-2145 (8 cores)
[Option 3) Xeon Gold 6146 (12 cores). Not exactly the best value for your money at over $3000, but will outperform the other options in simulation workloads.]
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Last edited by flotus1; November 18, 2017 at 10:25.
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