llamaperf

M6 32GB vs NVIDIA RTX Pro 6000 Blackwell for local LLMs

22 reports on the M6 32GB and 71 on the NVIDIA RTX Pro 6000 Blackwell

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 10.5x higher on the NVIDIA RTX Pro 6000 Blackwell (171 GB/s on the M6 32GB, 1,792 on the NVIDIA RTX Pro 6000 Blackwell). The estimates below compare them on the models people run most.

M6 32GB
Memory
32GB unified
Memory bandwidth
171 GB/s
FP16 compute
not on record
Reports
22
NVIDIA RTX Pro 6000 Blackwell
Memory
96GB
Memory bandwidth
1,792 GB/s
FP16 compute
503 TFLOPS
Reports
71

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.

ModelM6 32GBNVIDIA RTX Pro 6000 Blackwell
Qwen3.8 27B10.5 t/sQ4_K_S18.3 t/sFP16
Qwen3.8 125B · 6B activedoesn't fit at these settings83.1 t/sQ5_K_S
Qwen3.6 35B · 3B active38.2 t/sQ3_K_M57.5 t/sFP16
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settings130.8 t/sQ2_K
Qwen3.6 27B10.5 t/sQ4_K_S18.3 t/sFP16
Gemma 4 26B · 4B active23.2 t/sQ4_K_M49.3 t/sFP16

Change the context, RAM or model in the calculator: M6 32GB · NVIDIA RTX Pro 6000 Blackwell

Every report on each card, with its source: M6 32GB · NVIDIA RTX Pro 6000 Blackwell

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