llamaperf

NVIDIA DGX Spark vs M5 Pro 24GB for local LLMs

57 reports on the NVIDIA DGX Spark and 3 on the M5 Pro 24GB

Which is faster for local LLMs?

Nobody has reported the same model at the same quant on both cards yet, so there's no measured head-to-head. Memory bandwidth, which caps how fast a card can write, is 13% higher on the M5 Pro 24GB (273 GB/s on the NVIDIA DGX Spark, 307 on the M5 Pro 24GB). The estimates below compare them on the models people run most.

NVIDIA DGX Spark
Memory
128GB unified
Memory bandwidth
273 GB/s
FP16 compute
125 TFLOPS
Reports
57
M5 Pro 24GB
Memory
24GB unified
Memory bandwidth
307 GB/s
FP16 compute
not on record
Reports
3

Estimated by the calculator

The quant the calculator recommends for each card and its estimated speed at a 32,768-token context with 32 GB of system RAM, from memory bandwidth and the model's shape.

ModelNVIDIA DGX SparkM5 Pro 24GB
Qwen3.8 27B4.0 t/sFP1631.1 t/sQ2_K
Qwen3.8 125B · 6B active14.4 t/sQ6_Kdoesn't fit at these settings
DeepSeek V4 Flash 284B · 13B active38.3 t/sQ2_Kdoesn't fit at these settings
Qwen3.6 35B · 3B active14.5 t/sFP16102.9 t/sQ2_K
Qwen3.6 27B4.0 t/sFP1631.1 t/sQ2_K
Gemma 4 26B · 4B active10.8 t/sFP1669.3 t/sQ3_K_S

Change the context, RAM or model in the calculator: NVIDIA DGX Spark · M5 Pro 24GB

Every report on each card, with its source: NVIDIA DGX Spark · M5 Pro 24GB

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