llamaperf

M5 24GB vs M5 Max 36GB for local LLMs

2 reports on the M5 24GB and 12 on the M5 Max 36GB

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 3.0x higher on the M5 Max 36GB (154 GB/s on the M5 24GB, 461 on the M5 Max 36GB). The estimates below compare them on the models people run most.

M5 24GB
Memory
24GB unified
Memory bandwidth
154 GB/s
FP16 compute
not on record
Reports
2
M5 Max 36GB
Memory
36GB unified
Memory bandwidth
461 GB/s
FP16 compute
not on record
Reports
12

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 24GBM5 Max 36GB
Qwen3.8 27B14.7 t/sQ2_K19.7 t/sQ5_K_M
Qwen3.8 125B · 6B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 35B · 3B active48.7 t/sQ2_K75.9 t/sQ4_K_M
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 27B14.7 t/sQ2_K19.7 t/sQ5_K_M
Gemma 4 26B · 4B active32.8 t/sQ3_K_S50.2 t/sQ5_K_M

Change the context, RAM or model in the calculator: M5 24GB · M5 Max 36GB

Every report on each card, with its source: M5 24GB · M5 Max 36GB

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