How to allocate more RAM and CPU cores to BlueStacks 4

How will this help?

This article will guide you on how to allocate more RAM and CPU cores on BlueStacks, which results in higher performance.


How can I allocate more CPU cores and RAM?

1. Open the "Settings" menu. It can be accessed using:
(a) Hamburger menu
(b) Gear Icon

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2. In "Settings", click on the Engine tab and locate the Performance section. Here, you can specify the number of CPU cores and the amount of RAM you would like to allocate to BlueStacks 4.

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3. If you select the "Custom" option, you can specify the number of CPU cores and RAM to be allocated from the drop-down box or slider respectively.

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NOTE: If you have 12 GB RAM or more on your PC, you can use the “Custom” option to allocate upto 8 GB RAM to BlueStacks for 64-bit Android.

However, if you have 8 GB RAM or less on your PC, the “Custom” option will only permit you to allocate less than 8 GB RAM to BlueStacks for 64-bit Android.

4. Remember to click the Save button to preserve all changes made.

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How to allocate more RAM and CPU cores in BlueStacks 4.205 and below

1. Open the "Settings" menu. It can be accessed using:
(a) Hamburger menu
(b) Gear Icon

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2. In "Settings", click on Engine option. Under the Performance tab, you can select the predefined combination of CPU cores and RAM as shown in the screenshot below.

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Also, if you select Custom in performance, the option of selecting CPU cores will get activated and you will be able to set the number of available cores manually by clicking the drop-down as shown in the screenshot below. Click the Restart Now button to save the changes.

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Troubleshooting: I am unable to add more CPU cores

If the hardware-assisted virtualization is disabled on the system, the CPU core cannot be allocated from the "Engine" tab in the settings drop-down menu.

You can also check for this exclamation mark on the top of the BlueStacks window. This appears when the machine does not meet the recommended settings required to run BlueStacks.

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Please make sure virtualization is enabled in the BIOS settings of your machine. Check this help article for steps to enable virtualization on your machine.


Thank you for choosing BlueStacks. We hope you enjoy using it. If you have any further questions, please contact us at support@bluestacks.com. Happy Gaming!

Last updated on March 17, 2021

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