Dell Pro Precision GB10

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   M5 Ultra Mac Studio beats a single GB10 in agentic test but trails a Spark pair

   Tom's Hardware benchmarked an M5 Ultra Mac Studio with a 36-core CPU, 80-core GPU and up to 512GB of unified memory against a single Dell Pro Precision GB10 system, which it described as nearly identical to an Nvidia DGX Spark. Using llama.cpp with Qwen 3.8 27B and its native multi-token prediction, the Mac completed the Artificial Analysis AgentPerf-Local test in just under half the time of the GB10 system. The report also cited 1.2 TB/s of memory bandwidth for the Mac versus 273 GB/s for the GB10. For DeepSeek V4.1 Flash 1017, however, the Mac's llama.cpp setup took 10–25 minutes for the longest tested contexts, while a two-Spark cluster using DSpark speculative decoding and TensorFold took under five minutes. The report said Mac Studio lead times stretched into February 2027.

   Tom’s Hardware · 🔥 7

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