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2
votes
0answers
372 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 ...
0
votes
1answer
44 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 ...
0
votes
1answer
29 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 ...
0
votes
1answer
6k 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 ...
0
votes
2answers
31 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?
1
vote
3answers
138 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 ...
0
votes
2answers
192 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 ...
1
vote
2answers
192 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 ...
1
vote
1answer
2k 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 ...
0
votes
3answers
2k 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 ...
1
vote
4answers
379 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 ...
2
votes
1answer
546 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 ...
2
votes
0answers
351 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 ...
2
votes
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): ...
1
vote
1answer
305 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 ...
2
votes
1answer
1k 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 ...
6
votes
5answers
10k 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?
7
votes
3answers
20k 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 ...
4
votes
3answers
3k 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)?
6
votes
1answer
4k 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 ...
4
votes
2answers
6k 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 ...
3
votes
1answer
675 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.
2
votes
3answers
2k 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 ...
3
votes
1answer
653 views

Do Mac Pros use NUMA?

Does Mac OS X make use of NUMA on Mac Pros with two (or more) CPUs?
2
votes
2answers
11k 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 ...
2
votes
1answer
176 views

i5 vs. i7 MBP Refurb

Realistically, besides processing speed, what is the difference between the i5 and i7? Can you really tell a difference? I may be developing apps with it (I haven't tried yet, nor have I ever owned a ...
5
votes
1answer
2k 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 ...
0
votes
2answers
2k views

Which one is faster? iMac 27 with Quad Core i5 2.7GHz or a Macbook Pro 15 with Quad Core i7 2GHz?

They are about the same price ($100 difference, iMac $1699, Macbook Pro $1799), and iMac: Quad Core i5 2.7GHz Macbook Pro: Quad Core i7 2.0GHz How can you tell which processor is faster? (the iMac ...