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Glossary term

Unified Memory

A Mac/Apple Silicon buying concept that affects how much memory is available to both CPU and GPU-style workloads.

Unified memory is shared system memory used by Apple Silicon CPU, GPU, and neural-engine workflows instead of separate system RAM and GPU VRAM. Category: Hardware Related topics: 0 Related resources: 1

Why this term matters

Local AI users often compare Apple unified memory with GPU VRAM. The comparison is useful, but not one-to-one, so fit needs clear caveats.

Examples

  • A 32GB Mac mini does not equal a 32GB NVIDIA GPU.
  • Unified memory can feel convenient for local models, but tool support and bandwidth still matter.
  • The calmer Mac path can be better even when a GPU desktop wins raw throughput.

Pages where this term matters