This is a simple test I made with my Imac 27' to compare the speed of 8GB ram vs 16GB ram. I work a lot with editing films, doing effects in After effects and designing in Photoshop and this kind of work requires a lot of ram, especially if you are working with high resolution videos and pictures. Since it has become quite cheap to upgrade the ram, and it's easy to do it, I thought I would upgrade it to the max of what my Imac 27' can use of ram. My Imac has a 2.8 GHz intel core i7 processor with a 1 TB harddrive and a 512 MB ATI Radeon HD 4850 graphic card. I hope you enjoy this video, and don't forget to subscribe to check out all my new videos! You can also check my facebook page at: Or you can check my homepage at: I'll see you soon!:). It happens to every Mac (and every other kind of PC): The system slows down when it’s doing lot of things at once. If this happens to your Mac more than you’d like, though, your system might need more RAM. Adding more RAM to your Mac—if you can add more RAM—is one of the eaiest ways to improve your Mac’s performance. The crucial question is, How much more RAM do you actually need? Macworld Lab ran benchmarks on a couple of Macs at different RAM configurations and analyzed the results. Our conclusion: The impact of more RAM depends on the types of tasks your Mac performs. In some situations your Mac may benefit from having as much RAM as you can afford; in others, you’ll be fine with the stock configuration. But before we dive into the results, let’s take a brief look at what RAM is and why it’s important to your Mac. (This article focuses exclusively on the impact of RAM on system performance, but of course RAM isn’t the only component that affects performance. Macworld Lab is currently working on tests that will allow us to take a similar look at how other components—storage, graphics, and CPU—affect performance.) What is RAM? Random Access Memory is a temporary storage medium that your Mac’s CPU uses for fast access to data it’s processing. The CPU can access data contained in RAM much faster than it can data held on long-term storage devices like traditional hard drives and even solid-state drives. Albert Filice RAM designs vary for different computers and different needs. Suppose that you want to work on a text file. Your computer will copy the text file—and the necessary information for the text editor you’re using—into RAM. Next, let’s imagine that you open Photoshop, while leaving the text editor open. Photoshop also loads data into RAM; so at this point, your Mac will have two apps loaded into RAM. The more apps you open without closing down other ones, the less available RAM will remain available to accommodate other apps and perform other functions. When your RAM is full and another app needs to use some of the space, something’s got to give. In this case, paging will occur: Your Mac’s CPU will move data that isn’t in active use from RAM to a swap file on your storage device (hard drive or SSD), and the new data will go into RAM. Paging can make a computer that seemed fast a second ago slow to a crawl. The more RAM your system has available, the less your CPU will rely on paging Albert Filice A Retina MacBook Pro with 8GB of RAM—a system that doesn't have user-upgradable RAM. Commercial Mac OS X Antivirus Software is compatible with Mac OS X 10.5 Leopard and newer. It supports Intel Macs only. Is compatible with Mac OS X 10.6 Snow Leopard through 10.7 Lion. It supports Intel Macs only. Antivirus software for mac os 10.6.8. Can I upgrade my RAM? Apple adopts a locked-down approach toward many of its Macs, including the MacBook Air and the Retina MacBook Pro. On these Macs, RAM is factory-installed directly on the motherboard as onboard memory. On the Mac side, we made the decision to end support for Macintosh systems that are not 64-bit capable. See related Apple documentation: How to tell if your Intel-based Mac has a 32-bit or 64-bit processor? Apple is no longer supporting 32-bit hardware with their latest operating system, Mac OS X 10.7 (Lion), so it makes sense for us to follow suit. As a result, you can’t upgrade the system’s RAM later; on the other hand, this approach allows Apple to make laptops slimmer and more portable. In Apple’s current computer lineup, the Mac Pro, the 27-inch iMac, the Mac mini, and the non-Retina MacBook Pro have user-upgradable RAM.,, and offer online tools designed to tell you whether your RAM is user-upgradable, and to help you find the correct RAM for an upgrade. NewEgg has a. OWC offers an.
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