Verified80% confidenceFactExact time
The unified memory bandwidth of the M3 Max chip is as high as 400GB/s, far exceeding the approximately 64GB/s of a traditional PCIe bus
7
Sources
80%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Why Did Ollama Rise So Fast? Decoding the Success of a Local LLM Tool
redditr/ollama7/9/2026
Related Claims
UnverifiedThe M3 Max is equipped with up to 128 GB of unified memory, capable of running unquantized 70B and even larger models, far exceeding the maximum 24 GB limit of consumer-grade NVIDIA graphics cards.84% similarVerifiedThe 3080 Ti has a memory bandwidth of 912 GB/s, far exceeding the 16–32 GB/s PCIe bus bandwidth between CPU and GPU.79% similarUnverifiedThe M4 Max chip has a memory bandwidth of up to 546 GB/s, more than 4 times the memory bandwidth of mainstream DDR5 system memory.79% similar
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