Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.

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4answers
410 views

What's slowing down my Mac?

I have the following mac: iMac (27-inch, Late 2013) 3.4 GHz Intel Core i5 8 GB 1600 MHz DDR3 NVIDIA GeForce GTX 775M 2048 MB It has a HDD, and I have 240GB out of 1TB free space. I'm on OS X El ...
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3answers
248 views

iMac cleanup: can I delete these files?

Using Omni Disk Sweeper, I have listed the very heavy files in my computer in order to, if possible, delete them and free up some space. Of course, I am not going to risk tampering with my system ...
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2answers
6k views

How fast is 256GB to 128GB on mid-2013 MacBook Air?

I've tried finding the comparison reviews of the performance differences between 128GB and 256GB PCIe SSDs of mid-2013 MacBook Air 11" and 13" (which now have been carried over as the early-to-mid-...
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2answers
29k views

What would be a good SSD drive for a MacBook Pro mid 2010?

I'm thinking about updating a bit my Macbook Pro mid 2010 adding to it 8Gb of RAM and maybe a new hard drive, a solid one (SSD) of probably 240Gb. Which SSD would you recommend me? I'm looking for ...
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2answers
386 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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4answers
9k views

Sluggish performance with Airport gear on 5 GHz

I've a network that is powered by an Airport Extreme and extended by an Airport Express. My Airport Extreme broadcasts 5 GHz and 2.4 GHz channels separately. 2.4 GHz operates on channel 4 and 5 GHz ...
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1answer
28 views

Why is this stock iMac so slow at launching apps?

I bought a refurb iMac from apple.com: 21.5", late 2013 2.9 GHz Core i5 8 GB DDR3 Geforce GT 750M 1024 MB 1 TB SATA Disk No SSD, but this should still be performing well for basic tasks. It's ...
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2answers
48 views

Identifying bottlenecks

In any computer, there is a bottleneck. The processor, the amount of memory, the bus to the hard drive, etc. I just ordered a 2010 MacPro, 12 core, and although the 12*3.33 GHz cores should give me ...
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3answers
3k views

Mac Mini (Late 2009) - Recommended OSX Version for it?

I have a Mac mini (Late 2009) (hw.model: Macmini3,1, 2 GB RAM) that I've got hooked on my TV primary as a "media consumption" device... but a while ago I updated it to: Mac-mini:~ javier$ sw_vers ...
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2answers
4k views

Apple Thunderbolt or HDMI for external monitor

Is there anybody who can answer me this question? I have a Macbook Pro Retina 15" quad i7 etc and I use some programs/applications wich need a lot of cpu and also the macbook heats up like hell. I ...
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1answer
768 views

Do I need to zero out a new disk after formatting it?

Does anyone know if I should 'zero out' the new disk I bought? It was NTFS formatted so, unable to use it like that. I did a repartition to HFS+ in seconds, and then decided it might be better to ...
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2answers
153 views

How to keep data from an old Mac to restore later

I have a new Mac, and I want to selectively move files over from an old Mac. I've sold the old Mac and need to ship it today, so what I really want to do is simply take a complete copy of the HD in ...
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1answer
3k views

What is the normal fan speed for the 15'' Retina Macbook Pro?

What is the typical fan speed for a 15'' Retina Macbook Pro ? I would like to compare it with mine using istatpro
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4answers
14k views

I run out of RAM on a 8GB MacBook Pro 15"

I'm a designer using Snow Leopard on a MacBook Pro 15" (i7) with 8GB Ram, 500GB (180GB free) (2010 model). I usually use Chrome (4/5 tabs), Firefox (1/2 tabs), Skype, VM Ware Fusion (with Win XP, ...
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2answers
437 views

How to choke network preformance on OS X [duplicate]

Possible Duplicate: How to simulate slow internet connections on the mac For testing purposes I would like to choke the performance of the network on my OS X 10.8.2 machine. I have currently ...
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2answers
738 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
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2answers
4k views

Is upgrading an iMac to an SSD over USB 2/FireWire an upgrade?

I bought the smallest 21" iMac model of the 2011 update cycle. I was planning on having the HDD replaced with an SSD later on. Turned out this would not be an option. So I'm either stuck with the ...
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3answers
363 views

Safari slowdown issues

Safari is quite slow when I open new tabs. I get a busy cursor, and I cannot interact with other tabs. Is there any way to make it faster? I have a 2010 MacBook Pro, MacOS 10.6.6, Safari 5.0.3.
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2answers
42 views

iMac (Late 2015) using swap when there's still plenty of RAM left

My wife's new iMac is behaving rather oddly. Despite being a pretty powerful machine, it's rather slow and laggy. I looked into it, and it seems her swap memory is maxing out, even though there's ...
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1answer
73 views

Do Sophos and Spotlight conflict and if so, how can I run both applications without problems?

I just got a brand new 13" MacBook Pro at work. I have noticed that Spotlight has been running constantly giving me ~4 hours of battery life. The motivation for getting this laptop was to have the ...
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1answer
146 views

Why does Finder slow down and start beach balling after heavy use?

I am experiencing the following issue in Finder on OS X Yosemite 10.10.5. After working for sometime heavily on it, usually about 10-15 minutes, navigating in directories, moving/copying renaming ...
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1answer
57 views

Performance problems, possibly malware?

I have concerns about malware or something significantly affecting the performance of my iMac. As you can see from the screen shot below I have updated to OS X Yosemite Version 10.10.5, but I did ...
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1answer
109 views

speed up iOS9 on iPad 4?

Ever since I've installed iOS 9 on my iPad it has been quite slow. The network seems slower, for example Netflix often times out. Chrome often shuts down, presumably because it is using too much ...
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1answer
3k views

High memory usage on MacBook PRO retina 16Gb i7 2,5ghz

I'm using a MacBook Pro Retina 15-inch 16Gb Processor 2,5 Ghz Intel Core i7 Graphics Intel Iris Pro 1536 Mb OS: OS X Yoseminte v10.10.2 I'm having a problem with my ram. I think its eating too much ...
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2answers
28k views

What is causing slow Wi-Fi speeds on my Airport Extreme?

I have a recent model (bought 1-2 years ago) Airport Extreme that, until yesterday, has worked flawlessly. Starting yesterday, my wireless speeds have tanked. I first suspected my ISP, but that doesn'...
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1answer
973 views

Is there a problem with GeForce 750M performance on gaming?

I play games on my Mid-2014 retina MBP, which has both Iris Pro and GeForce 750M 2GB. One of the games that I play (League of Legends, which has a 'beta' OS X client, but I highly doubt that this is ...
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3answers
1k views

Why is my late 2013 iMac so slow?

For the last three months I have been more or less enjoying my new late 2013 21" iMac. I already have an early 2011 MBP, which is pretty maxed out with a 512GB SSD and 8 GB of RAM, and still feels ...
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3answers
264 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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3answers
2k views

Is my hard drive starting to fail?

My MacBook Pro (mid-2012, 16GB, i7 2.3) has started to misbehave: very slow to start up and shut down application launches are slow system becomes nearly unusable when "free" memory approaches zero. ...
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1answer
2k views

Disable loopback interface lo0 on 10.8.4?

For testing purposes (testing raw network speed over a number of cables) i have equippped my Mac Book pro with a Thunderbolt to Gigabit Ethernet Adapter besides the built-in gigabit ethernet ...
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1answer
277 views

/usr/bin/nice and Handbrake

This is really two questions... If a process is run with nice (/usr/bin/nice in the default OS X Mountain Lion installation) will it run processes in equivalent time compared to that process being run ...
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2answers
230 views

How accurate is System Report on RAM speed?

I have successfully replaced 2 * 4GB DDR3 1333 MHz RAM (Samsung) with 2 * 8GB DDR3 1600 MHz RAM (CnMemory). Everything runs fine and System Report is displaying the RAM is running at 1600 MHz. Now I ...
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1answer
917 views

Can CPU Speed Stepping be prevented?

A while ago, I asked a question regarding the reason behind my computer slowing when it had ~5% battery or less. I was told that it was either CPU speed stepping or the Macbook Pro automatically ...
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2answers
17k views

How to run a performance benchmark on my MacBook Pro?

I need to run some sort of performance benchmark to measure how slow my MacBook Pro is (and why)—a 15" MacBook Pro (late 2008) with a 2.4 GHz Intel Core 2 Duo processor, 4 GB of DDR3 memory, and ...
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1answer
500 views

What is the performance bottleneck when launching large applications on OS X?

I have an Early 2011 13" Macbook Pro (i5 2.3Ghz). I've upgraded it to have 8GB 1333 ram and an OCZ Vertex II (120GB) SSD. There are a couple of heavy lifting apps on my mac that take roughly around ...
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3answers
287 views

Worthwhile to reformat and re-install?

I had a 2 1/2 year old Macbook Pro. It was a 2.33 Intel Core 2 Duo with 4 GB of ram, 320 GB hard drive, running Lion. An employee of my company left and his Macbook Pro was a 2.66 Intel Core i7 ...
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1answer
118 views

How to have clipboard holding many entries available simultaneously…?

I am looking for: There are many hot words which I often need to type while using my Apple MacBook Pro/Snow Leopard like say my desktop machine name, some other host names etc. Now, right now, I copy ...
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1answer
18 views

Is there a meaningful performance index to compare various MBP generations?

Is there a simple but meaningful performance index for comparing various generations of MacBooks, and their different configurations, with a focus on everyday graphics and web development work? I ...
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1answer
38 views

Why is my Mac Mini not Turbo Boosting?

I have a late 2014 Mac Mini, with the i7 option, 3 Ghz turbo boosting to 3.5 Ghz according to Apple. To give the system some work to do I am running a ray trace: $ time povray --benchmark +WT1 This ...
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2answers
782 views

Suggestions to make a old Macbook Pro faster?

I got a Macbook Pro I think the year 2010. How can I make it faster because,it starting to get slow. Are there Free or Inexpensive Apps or tricks to make it fast? Thanks!
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1answer
111 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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1answer
101 views

How do the MacBook and the MacBook Pro compare performance-wise to an old model iMac?

I'm thinking of purchasing either a MacBook (2015, 1,1 GHz) or a MacBook Pro (2015, 13-inch Retina, 2,7 GHz). I'd like to know how they would compare performance-wise (say, speed on recalculating a ...
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1answer
466 views

How to debug Safari CPU utilization and spinning beach ball?

I have been plagued by performance problems in my late 2010 MacBook Air for several months now. Most of it seems centred around Safari. I regularly get very high fan speeds (loud to the point of very ...
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1answer
395 views

troubleshooting Finder (and disk access?) speeds — Dropbox extension problems?

I am on Yosemite 10.10.3, though in the public beta program (which now is in sync with releases). I am also in the Dropbox beta, now on 3.5.58, for what it's worth. File access is curiously slow now. ...
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2answers
1k views

How to fix fontd process taking up 100% of the CPU?

I experience reoccurring incidents of fontd eating up all the process power. What could be the cause of this and how do I make it behave again?
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2answers
211 views

Booting from an external SSD

I have a late 2009 i7 iMac that spends most of its time reading and swapping files from the 2TB hard drive, even though it’s only 40% full. I want to buy an affordable (240GB/£160) Firewire external ...
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1answer
3k views

using external hdd slows down my mac

When I use an external drive via usb, my computer really slows down giving me no choice except reboot. I watched memory usage with activity monitor. Free memory decreases by time and inactive memory ...
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1answer
3k views

How to limit cpu frequency in OS X?

The OS X kernel does control this directly since below 5% my CPU gets locked to 1.2GHz instead of the normal 3.7GHz so there has to be a way to control the CPU speed. I am aware of this question (...
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2answers
4k views

iPhone slows down entire home network

Ever since the automatic upgrade to iOS 7, an iPhone that connects to my Linksys WRT54GL router running DD-WRT, slows down all other connections, from any other device. Download speed is reduced by a ...
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1answer
2k views

Very slow screen refresh on server screen share

I have a brand new Mac Mini, configured with Intel i7, 16GB, dual SSDs... basically the top of the line Mac Mini you can buy as of 2/1/2014. I also purchased the latest Airport Extreme, with 802.11ac ...