Questions tagged [processor]

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VDCAssistant HIGH CPU

I have noticed that VDCAssistant was causing the computer to be extremely slow due to CPU usage in excess of 90%. Here is the path of VDCAssistant. /System/Library/Frameworks/CoreMediaIO.framework/...
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2009 Mac Pro Processor Change - how to resolve errors?

I have a Mac Pro "Eight Core" 2.26 (2009/Nehalem) that I was running with dual X5690 (3.46GHz/6-core/12MB/130W) processors for the last couple years (yes, I've got the 2010 firmware hack on it). Been ...
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1answer
52 views

cpu clock too low / force cpu clock / overclock

I have a MacBook from a few years back. When I use it write some code and browse the internet, the fans go very fast and the noise is horrible. But the temp shows only 70 C. So I used SMC to force ...
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1answer
131 views

Which model has better CPU-performance: iMac MMQA2HN/A or Mac mini MRTR2HN/A?

In this comparison the main difference I see is in the processors. https://www.apple.com/in/mac/compare/results/?product1=imac-21&product2=mac-mini Irrespective of other feature differences this ...
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1answer
57 views

KEUbvKya proccess

KEUbvKya process run in my macbook and using 99% cpu and 4gb memory .I Cannot End prccess Plz see the picture
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1answer
29 views

Which CPU option on the iMac Pro gives you two FMAs?

I know for Skylake X you need a 61xx or better CPU to get two FMAs, but it’s not clear what the situation is with Skylake W ? Everything I have found for Skylake W just says “up to two FMAs”, without ...
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4answers
9k views

Intel management engine - is macOS vulnerable?

Based on, for example, the Wired reporting, this is major bad news. Intel® Management Engine Critical Firmware Update (Intel SA-00086) - www.intel.com https://www.intel.com/content/www/us/en/support/...
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1answer
27 views

Combining parts from a MacBook Pro with a Dell Inspiron

I have an old 2007 Macbook Pro 15" and Dell Inspiron 1720. Since the logic board on the Mac is damaged, I kinda combined it in Dell (I took RAM, WiFi card, HDD). It all works perfectly. Since they ...
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1answer
858 views

MacBook Pro (Retina, 13-inch, Early 2015) high temperature

I know there are plenty of articles here about CPU reaching very high temperatures but I am still concerned about mine. I bought a used MacBook Pro Retina, 13-inch, Early 2015 (i5, 2.7 Ghz) computer ...
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1answer
874 views

Mac Pro processor upgrade, won't boot

I just upgraded my Mac Pro 4,1 (5,1 firmware) to dual X5690s. I was very careful and followed directions throughout the whole process. When I put the CPU tray back in, the computer wouldn't post. ...
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2answers
8k views

How to tell generation of Intel processor of Macs on Apple's website?

I'm trying to understand if both the non-touch bar and touch bar versions of Apple's new MacBook Pros have the same generation of processor inside, but Apple does not seem to list generation of ...
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1answer
190 views

Do Macs Have Custom Models of Intel Processors?

Do Apple Computers use the same-exact Intel processors available to PC builders or are they custom models made just for Apple? For example, if a Mac is marketed as having an Intel i7 3.3 GHz x-...
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1answer
360 views

Processor or RAM? [closed]

I want to buy a macbook pro in the near future, but choosing the configuration has been a headache for me so far. My options are : Macbook Pro 13" Retina 2.9GHz Dual-core Intel Core i5, Turbo Boost ...
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1answer
133 views

Enabling TSX on OS X

How can I enable TSX on my Mac? The furthest I got was by trying to add a kext that would enable me to r/w to the model-specific register but I can't install non signed kexts on my Mac. Any ...
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1answer
1k views

Thermal paste for A8 chip

On the iPhone logic board (or at least for the iPhone 6), there is a metal shield (heatsink?) covering the A8 SoC and few other components. There is also black thermal paste between the chip and ...
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2answers
6k views

How many CPU cores should be in my MacBook Air? [duplicate]

It looks like something's seriously wrong... My Air should have 4 cores. However, I saw that the number of cores has sunk to 2 when I was going to make a new virtual machine... I checked out what ...
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2answers
1k views

Mac Pro 4,1 CPU upgrade

I own a Mac Pro 4,1 (single socket) with a Nehalem Quad-Core CPU. I'd like to upgrade it with a six-core Westmere processor. Now, what I have to do prior to installation of the Westmere processor? ...
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5answers
6k views

How to slow down clock speed of processor

I recently bought a new MacBook Pro which sometimes goes too fast. I frequently program for Mathematica, and on my old 2007 MacBook Pro I usually got a feeling for inefficient code when it runs ...
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1answer
79 views

Dead battery is replaced and recognized on MacBook Pro – processor speed is still cut

Just replaced dead battery on MacBook Pro Late 2011, and it is seen by OS (el Captain) and charging OK. Though, processor speed is still being cut and ticks only at 0.8 ghz and Apple Hardware test ...
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2answers
276 views

Anyway to add new processor to MacBook 5,1 or MacBook Air 204

I'd like to add a faster processor to my MacBook Air 2014 or my MacBook 5,1 unibody. Is this possible at all?
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1answer
676 views

Is it possible to upgrade 2.26 GHz processor to 2.4 GHz?

I recently bought a 2009 macbook that I thought would have a 2.4GHz processor (along with 4GB of RAM) but instead has a 2.26GHz processor with 2GB of RAM. (I expected it to be 2011.) I got it fairly ...
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2answers
1k views

Apple MacBook Pro Battery vs Processor

I'm configuring a new MacBook Pro 15″ 2015 and wanted to know if the processor speed affects the battery life? 2.5GHz Quad-core Intel Core i7, Turbo Boost up to 3.7GHz 2.8GHz Quad-core Intel Core i7, ...
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Specifying which processes can be terminated if hardware resources become scarce

I typically tax the limits of my computer systems' system resources, and "obtain the appropriate hardware to perform the kind of computing you require" is not the solution I am interested in for the ...
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1answer
1k views

What is the difference between a 2011 i5, and a more recent i5?

I am looking at my daughter's MBP. It is circa 2010/2011, and has a 2.4 i5. Why are processors today called the same name, but are advertised with slower clock speeds?
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1answer
431 views

Will the new MacBook be turbo charged?

The new MacBook 12" has been launched and on the apple store the processor says 1.1GHz dual-core Intel Core M processor (Turbo Boost up to 2.4GHz) Does this mean that the Core-M processor will ...
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1answer
108 views

Upgrading a 13" 2009 Macbook Pro

So, I have a 13" 2009 Macbook Pro that I've upgraded as far as I can go without changing the motherboard/processor (8 GB RAM/2 SSDs). My question is, since the unibody case is the same, is there ...
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1answer
667 views

Macbook Pro Ram and/or Processor broken?

I am experiencing several problems with my MacBook Pro early 2011. It all started about two months ago with my wifi card. It lost connection to the network every few hours. The symbol in the status ...
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0answers
13k views

How much difference between i5 and i7 13" Macbook Pro 2014 especially for XCode & Visual Studio compilation? [closed]

I have been trying to decide if there will be a substantial difference between the i5 and i7 processor for compiling and running VMs. I expect to run Windows with Visual Studio in a VM as well as a ...
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1answer
95 views

Are the two cores of rMPB enough?

I am thinking of purchasing a 13" rMBP. It has two cores. My question is, are two cores enough ? there are other laptops with 4 cores at much cheaper rates available. How does apple seem to pull it ...
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1answer
63 views

When would upgrading the processor of the top of the line Macbook Pro make sense?

As seen here, the top of the line MacBook Pro Retina (with NVIDIA graphics card) has an option to upgrade the processor from 3.7 Ghz to 4.0Ghz via a "Turbo boost". I am generally wondering what ...
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1answer
33k views

Retina MacBook Pro - Quad core vs. Dual core and virtual machines (VMware Fusion)

I am looking to get a Retina MacBook Pro and I am really torn between the portability of the 13" dual core i7 and the four cores of the 15" quad core i7. The majority of my work will be done using a ...
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2answers
85 views

How old would a Macbook Pro need to be in order to have a non-64bit Intel processor?

My friend has a MBP that was bought 2 or 3 years ago, and I need to help him prepare some software to run. What are the chances he won't be able to boot from a 64bit Linux live USB flash drive?
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3answers
320 views

64bit vs 32bit on mobile devices with 2gb ram - is there any sense?

Today I took part in an interesting discussion. Someone said that's great that Apple goes 64bit with their iPhone 5S. Of course I mentioned about no need for 64bits paired with 2 gigs of RAM, but then ...
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2answers
1k views

Any app or script to track per process usage?

I am running a process and I want to track it's CPU usage and in the end I would like to have a graph of time vs CPU usage. Any app or script for that? I googled and I couldn't find any. And activity ...
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2answers
826 views

In Activity Monitor, is the percentage out of each core or out of each virtual core?

I have my new MacBook Pro with 2 cores. However, the Activity Monitor shows me 4 “virtual” cores. (I don’t really know what a “virtual core” is.) If the processor is running at maximum, what ...
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1answer
4k views

OSX High CPU Usage

Are the following CPU usages normal?? From last few days my macbook air is heating too much. And i frequently notice the fan running fast. Top two process have always use over 70% cpu and it goes to ...
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4answers
18k views

2.7GHz or 2.8GHz

What is the difference between 2.7GHz Quad-core Intel Core i7 and 2.8GHz Quad-core Intel Core i7 I know the difference is 0.1 GHz, but what does that mean? It seems quite something, cause it costs ...
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4answers
1k views

Which has more effect on software launch times: processor, RAM, or Hard Drive?

I am looking into getting a new Macbook Pro (hopefully they'll have late 2013 models). I currently use my early 2011 Macbook for iOS app programming and light graphic design work with Pixelmator. I ...
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2answers
4k views

Get cpu usage per core on the command line

Activity monitor allows users to see the cpu usage on a per-core basis (for multicore machines, e.g. my MacBook Pro). Is there a way to find the percent usage of each core/processor via the command ...
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0answers
614 views

How much will upgraded processor and RAM affect battery life?

I'm considering purchasing a new Macbook Air, and one of my main goals would be to maximize battery life. If I upgrade the standard processor (from 1.3GHz Dual-Core Intel Core i5 to 1.7GHz Dual-Core ...
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1answer
3k views

Comparing performance between the 2012/2013 MBA 13' baseline model

The MBA just launch and I did a little research on the baseline 13 inches for both years: -- MBA 13' (2012): i5-3317U @ 1.7GHz (turbo: 2.6GHz); 4000 Graphics: 350MHz-1050MHz MBA 13' (2013): i5-...
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1answer
2k views

Kill processes automatically that get over x % CPU

I have a (rather annoying) process on my iMac that tends to get out of control. Unfortunately, it's not possible to get rid of it. Much as I want to. This process is fine at first - using 1-2 % of ...
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2answers
2k views

Does the VT-d feature on the i7 have measurable VM gains over the i5 on 2013 RMBP?

Some days ago Apple refreshed the MacBooks pro and I'm looking for either well sourced reviews of the hardware capabilities between the models or real world experience to help me value the increased ...
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5answers
14k views

Can we upgrade PowerPC Macs to OS X 10.7 now that 10.8 is out?

I know that 10.8 is out now, but we have older Macs that will not work under 10.8, as they do not have Intel processors. Can we still buy and get 10.7, which I believe will support older CPUs?
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3answers
22k views

Functionally speaking, where will I see a difference between dual- and quad-core i7s?

I am ready to buy a new MacBook Pro. I am drawn to the portability of the 13" and the better specs of the 15". If you take money out of the picture I would really like to know where I would see the ...
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3answers
4k views

How does the new iPad's A5X graphics processor affect PDF rendering speed?

How much, if any, has the new iPad has gained in PDF rendering speed with the A5X processor (quad-core graphics)?
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1answer
5k views

Easy way to disable processor cores on the fly

Hey i'm looking for a fast way to disable processor cores of my macbook to save power when i'm stranded away from a charger. I'm away that instruments can do this from it's preferences, but that's a ...
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3answers
16k views

Make Activity Monitor show more than 4 cores worth of CPU usage in the Dock

Is it possible to force more than 4 cores in the Dock, this looks like a feature apple does not want after checking out Mac OS X: Activity Monitor shows one CPU Usage graph on systems with more than ...
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2answers
2k views

Is there a way to control the Numa settings on my iMac?

Is there a way to control the numa settings on the iMac (Core i7), OS X 10.7.3? MacPorts doesn't have numactl and tbb/openmp are both slowing down since the memory is allocated incorrectly.
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3answers
8k views

How can I find what is making my Mac run hotter and causing the fans to run more often?

My Macbook Pro's fans are running louder. I've also noticed that the average internal temperature is significantly higher. (187°F as I write this.) This didn't used to happen unless I was running full-...