How to check your GPU VRAM size?

VRAM or video RAM is a memory that is used by GPU for performing different tasks. Since some algorithms (especially Ethash, which is the algorithm of the most popular mining coin Ethereum) require a larger memory size to save and process the DAG file, some cards with lower VRAM can't mine these algorithms.

Note Keep in mind that computer's RAM (which is usually 8 GB or 16 GB) is not the same as GPU VRAM.

For example, ETH DAG size is way over 4 GB, so only the GPUs with VRAM 6 GB or more can mine ETH. On the other hand, ETC has much lower DAG size, so you can mine it with 4 GB GPUs as well.

You can check your GPU VRAM size through the Windows settings.

  1. Open Settings
  2. Select Display
  3. Navigate to the very bottom and find title Multiple displays
  4. Click on Advanced display settings
  5. Choose the "display" for which you want to check settings.
  6. Click on Display adapter properties for Display 1
  7. Under Dedicated Video Memory you will see the VRAM your GPU has.

For faster conversion:

  • 1024 MB = 1 GB
  • 2048 MB = 2 GB
  • 3072 MB = 3 GB
  • 4096 MB = 4 GB
  • 6144 MB = 6 GB
  • 8192 MB = 8 GB
  • 16384 MB = 16 GB
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