Questions tagged [processor]

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Late 2019 Macbook Air with Intel Core i5 8GB RAM 128 SSD

I have a late 2019 MacBook air with an Intel Core i5. I REALLY want to upgrade this processor to make the laptop just a bit better. Because I just bought it, I really don't want to get a whole new ...
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3answers
73 views

Folding@Home project killing CPU

Three to four weeks ago I read an article which was talking about the project Folding@Home which helps researchers find a cure for the CoVid-19. Since then my Mac has been pretty noisy, although the ...
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2017 MBP External Monitors and Processor

I have Mid 2017 MacbookPro 13" and i want connect two external monitors to the mac. There is a question in my head according to my researches.. -Does two monitors causes processor works too hard, it ...
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1answer
219 views

Mac Pro 2020 upgradability - DDR5, ARM, Neural Engine?

Can the Mac Pro 2020 in the future be upgraded to replace/add these: DDR4 -> DDR5 Intel -> Arm ... -> Apple Neural Engine Or are they not compatible with the current Mac Pro design? They are all ...
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1answer
99 views

How large is my 2012 MacBook Air's L1 cache? Are they larger now?

Discussion in comments below this answer to improving speed of this numpy-based diffraction calculator suggest that the reason the script in the answer runs slow for me but fast for others (even on ...
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1answer
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Understanding Processor specifications

I'm not sure what a CPU-specification like "3 GHz Intel Core i5" really means. Does it mean that there are five cores with 3 GHz each? Or are there 3 GHz distributed between the five cores? 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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2answers
50 views

Could I take a Core i7 form a 2012 MBP and put it into a 2018 MBP?

I know very little about computer hardware so I thought I might as well ask. I have an Intel Core i7 in my MacBook Pro Late 2012. I am considering getting a 2018 MacBook Pro. I was wondering if it is ...
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1answer
364 views

Should I be worried if the newest Macbook Pro specs are lower than my older Macbook Pro spec?

I just went to Apple's website (July 2019) to find the maximum processor spec of a 15-inch Macbook Pro to be: 2.4GHz 8‑core 9th‑generation Intel Core i9 processor, Turbo Boost up to 5.0GHz However, ...
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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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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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255 views

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
130 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
300 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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3answers
19k 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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1answer
66 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
1k 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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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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4answers
11k 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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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
33 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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1answer
42 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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4answers
19k 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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1answer
1k 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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2answers
6k views

Xcode Quad Core Optimization

Is Xcode (Using Xcode 4.2) optimized for a quad core processor? My real question is will Xcode's performance be noticeably different with a dual core i7 as opposed to a quad core i7? I might be ...
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1answer
198 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
365 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
209 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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2answers
30k views

Is it possible to upgrade a MacBook processor?

I have a 2006 Dual core Duo MacBook. It is fast enough to do basic photo editing on the go, as my job requires, however I would like to install Lion, to bring it in line with my workstation and ...
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2answers
7k 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
6k 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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5answers
7k 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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2answers
2k views

Do Mac Pros use NUMA?

Does Mac OS X make use of NUMA on Mac Pros with two (or more) CPUs?
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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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1answer
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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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1answer
92 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
334 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
940 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
2k 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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0answers
24 views

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
2k 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
435 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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5answers
15k 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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1answer
110 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
763 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
96 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
67 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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2answers
86 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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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 ...