Unverified60% confidenceFactExact time
The memory bandwidth of Spark and M4 Pro is 273 GB/s, while Halo's is slightly lower at 256 GB/s.
2
Sources
60%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
AMD Ryzen AI Halo Hands-On: Can x86 Architecture Challenge NVIDIA's DGX Spark?
bilibili量子菠萝_7/7/2026
Related Claims
UnverifiedThe LPDDR5x unified memory bandwidth of the DGX Spark is approximately 273 GB/s, which is orders of magnitude lower than the HBM3e used in data center products (up to 8 TB/s per GPU).77% similarVerifiedThe combined unified memory of two DGX Sparks totals approximately 256 GB.74% similarVerifiedM4 Max的内存带宽可达400GB/s以上71% similarVerifiedThe M4 Max already supports 128 GB of unified memory71% similarUnverifiedNVIDIA's GB300 is the flagship of the Blackwell Ultra architecture, with a single chip featuring 288 GB of HBM3e memory capacity and total memory bandwidth exceeding 16 TB/s, an improvement of nearly 5× over the H100's 3.35 TB/s.70% similar
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