Raspberry Pi Configuration Tool (GUI)

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Performance

GPU Memory

Memory on the Raspberry Pi is shared between the Central Processing Unit (CPU) and the Graphics Processing Unit (GPU). This options allows you to set how much memory the GPU receives, with the CPU receiving the remainder.

Model Camera Memory Minimum Maximum
Raspberry Pi Model A/+   256 MB 16 MB 192 MB
Raspberry Pi Model A/+ Yes 256 MB 128 MB 192 MB
Raspberry Pi Model B/+   512 MB 16 MB 448 MB
Raspberry Pi Model B/+ Yes 512 MB 128 MB 448 MB
Raspberry Pi 2 Model B   1024 MB 16 MB 944 MB
Raspberry Pi 2 Model B Yes 1024 MB 128 MB 944 MB
Setting GPU Memory to low values may automatically disable certain firmware features (as there are some things the GPU simply can’t do with too little memory). So if a certain feature you’re trying to use isn’t working, try setting a larger GPU Memory value.

The default GPU Memory option is 64 MB.

  1. Start on the Raspberry Pi Configuration Performance tab.
    Raspberry Pi Configuration: Interfaces: Performance

    Raspberry Pi Configuration: Performance

  2. At the GPU Memory option, type or adjust the amount of memory in Megabytes (MB) that you wish to allocate to the GPU.

Changes won’t be saved until you click OK to exit the Raspberry Pi Configuration tool, and also requires a reboot to take effect.


This option makes the following change to /boot/config.txt

gpu_mem=64

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