llamaperf

M5 Max 36GB vs M6 32GB for local LLMs

13 reports on the M5 Max 36GB and 22 on the M6 32GB

Which is faster for local LLMs?

On Qwen3.5 4B at 4-bit, the M5 Max 36GB has 133.0 generation tokens/s (one run); the M6 32GB has 16.2 generation tokens/s (one run); prompt processing 439.0 tokens/s (one run). Those are community reports whose engines and settings differ, so the gap is a rough sign, not a controlled measure of the two cards. Memory bandwidth, which caps how fast a card can write, is 2.7x higher on the M5 Max 36GB (461 GB/s on the M5 Max 36GB, 171 on the M6 32GB).

M5 Max 36GB
Memory
36GB unified
Memory bandwidth
461 GB/s
FP16 compute
not on record
Reports
13
M6 32GB
Memory
32GB unified
Memory bandwidth
171 GB/s
FP16 compute
not on record
Reports
22

Measured on both

Generation and prompt processing speeds from plain runs (one device, one request, no speculative decoding, the whole model in the device's memory) of the same model size at the same bit class. Each side shows the engines and reported context behind its median. Context can mean a configured window or prompt depth, so these are community comparisons with differing settings. How to read these

ModelM5 Max 36GBM6 32GB
Qwen3.5 4B4-bit133.0one runengine not statedcontext not stated16.2one runPP 439.0 (one run)MLXcontext not stated

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. Where a model was also measured above, the measurement wins.

ModelM5 Max 36GBM6 32GB
Qwen3.5 4B45.8 t/sFP1617.7 t/sFP16
Qwen3.8 27B19.7 t/sQ5_K_M10.5 t/sQ4_K_S
Qwen3.8 125B · 6B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 35B · 3B active75.9 t/sQ4_K_M38.2 t/sQ3_K_M
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 27B19.7 t/sQ5_K_M10.5 t/sQ4_K_S
Gemma 4 26B · 4B active50.2 t/sQ5_K_M23.2 t/sQ4_K_M

Change the context, RAM or model in the calculator: M5 Max 36GB · M6 32GB

Every report on each card, with its source: M5 Max 36GB · M6 32GB

More comparisons