There might be multiple possible reasons for low performance, for example:
![]() Symptoms
Cause
The Basics
Parallels 9 vs 11 vs 12! In this episode we find out if Parallels 12 can run on a 12' Macbook, and in a series of tests to see how it benchmarks against previous versions.
Virtual machine performance is to computer's hardware resources. It is also very important to allocate even shares of hardware resources between host operating system (macOS) and guest (VM) according to the recommended system requirements of both systems.
Note: Parallels Desktop 14 for Mac brings a new feature: CPU Usage Monitor. Look at VM window tray and CPU Usage Monitor will light up in red when CPU usage in Windows is above 70%. Click on CPU Usage monitor to see what processes in Windows use computer's CPU. Clicking on a process name will open Windows Task Manager showing selected process:
Computer's performance mostly depends on several hardware components: CPU, RAM and hard disk. While CPU cannot be replaced at hand, most of Mac computers enabled for RAM and hard disk upgrade.
Upgrading Your Mac with a Solid State Drive
If your Mac uses a hard disk drive (HDD), it is to replace the drive with a solid state one (SSD). This is the #1 recommendation for all Mac users which gives significant performance boost to Mac at 2-3 times. Contact your local Apple Authorised Service Provider to get assistance with the disk replacement.
TIP: you can check your Mac's drive type at 'System Information' report (click > About this Mac > System Report... > Hardware > SATA/SATA Express)
Parallels desktop 14 for Mac is the fastest, easiest, and most powerful application for running Windows on Mac-without rebooting. Get up and running in minutes. Easily switch between Mac and Windows applications. Keep the look and feel of Mac OS or use the familiar Windows desktop. Powerful performance lets you run the most demanding graphical applications without compromise. The folks at Parallels have said they will release an update n the near future that will correct the problem that keeps the Mac Pro and Parallels from running. So for the time being, no one can do the test you have asked for.
Upgrading Your Mac with Better Memory Modules (RAM)
If you notice in Activity Monitor that your memory pressure is up to the maximum, it's time to check if your Mac allows you to do RAM replacement with higher modules capacity.
Visit these articles for more details:
Checking Software SettingsMac Performance RocketrymacOS
Parallels Desktop Preferences
Parallel Mac WindowsVirtual Machine ConfigurationParallels For Mac Performance Windows 10 32 Or 64 Bit
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