Performance question: rMBP late 2013 / mid 2014 w/o dGPU

Permanently deleted user

• 2. September 2014 11:22

Dear all,

I am currently looking for a new MacBook Pro Retina 15 inch and am not sure whether to get the model with oder without dGPU (Nivida Geforce GT750M). The smaller one does "only" have the CPU built-in Iris Pro, which is sometimes faster compared to the Nvidia one. Does anyone of you have experience and could maybe provide some benchmark (rendering images w/o dGPU; overall performance) within CO?

Your feedback is highly appreciated!

Thanks in advance,
Joerg

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  Christian Gruner

  • 2. September 2014 12:54

  Basically you should be looking for benchmarks that measures the OpenCL performance.
  
  Here is a page that does just that: http://compubench.com

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  Permanently deleted user

  • 2. September 2014 13:03

  Hi Christian,
  
  thanks a lot for your quick reply! I have compared both parts on the mentioned site and it says Iris Pro should be superior to GT 750M when it comes to OpenCL. Thats a valueable information. However, I would love to hear from somebody here how C1 rates both models in its internal tests which can be found in the logs file (as mentioned in this thread viewtopic.php?f=46&t=15670). I have learned there that Iris Pro gives a value of 0.833680, now it would be great to have this value for the GT 750M, too.
  
  Anyone?
  
  Kind regards,
  Joerg

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  bml

  • 2. September 2014 16:31

  2014-09-02 11:11:38> OpenCL Device : GeForce GT 750M
  2014-09-02 11:11:38> OpenCL Driver Version : 8.26.26 310.40.45f01
  2014-09-02 11:11:38> OpenCL Compute Units : 2
  2014-09-02 11:11:38> OpenCL : Loading kernels
  2014-09-02 11:11:38> OpenCL : Benchmarking
  2014-09-02 11:11:40> OpenCL : Initialization completed
  2014-09-02 11:11:40> OpenCL benchMark : 1.134240
  
  Retina, 15-inch, Late 2013
  
  Regards,
  Bernd

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  Permanently deleted user

  • 2. September 2014 17:51

  Hello Bernd,
  
  thank you very much for your experience! Helps me a lot taking the right decision 😄
  
  Regards,
  Joerg

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