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
UnverifiedM3 Max 配备最高 128GB 统一内存，可运行未量化的 70B 甚至更大规模模型，远超消费级 NVIDIA 显卡最高 24GB 的上限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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