llamaperf

M5 Max 48GB vs NVIDIA V100 32GB for local LLMs

67 reports on the M5 Max 48GB and 28 on the NVIDIA V100 32GB

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 46% higher on the NVIDIA V100 32GB (614 GB/s on the M5 Max 48GB, 900 on the NVIDIA V100 32GB). The estimates below compare them on the models people run most.

M5 Max 48GB
Memory
48GB unified
Memory bandwidth
614 GB/s
FP16 compute
not on record
Reports
67
NVIDIA V100 32GB
Memory
32GB
Memory bandwidth
900 GB/s
FP16 compute
125 TFLOPS
Reports
28

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.

ModelM5 Max 48GBNVIDIA V100 32GB
Qwen3.8 27B22.3 t/sQ6_K22.6 t/sQ6_K
Qwen3.8 125B · 6B activedoesn't fit at these settings19.4 t/sQ2_K, experts in RAM
Qwen3.6 35B · 3B active88.4 t/sQ5_K_M81.9 t/sQ5_K_M
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 27B22.3 t/sQ6_K22.6 t/sQ6_K
Gemma 4 26B · 4B active43.2 t/sQ8_057.5 t/sQ6_K

Change the context, RAM or model in the calculator: M5 Max 48GB · NVIDIA V100 32GB

Every report on each card, with its source: M5 Max 48GB · NVIDIA V100 32GB

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