llamaperf

M5 Max 128GB vs AMD Radeon AI PRO R9700 32GB for local LLMs

49 reports on the M5 Max 128GB and 63 on the AMD Radeon AI PRO R9700 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 about the same on both (614 GB/s on the M5 Max 128GB, 640 on the AMD Radeon AI PRO R9700 32GB). The estimates below compare them on the models people run most.

M5 Max 128GB
Memory
128GB unified
Memory bandwidth
614 GB/s
FP16 compute
not on record
Reports
49
AMD Radeon AI PRO R9700 32GB
Memory
32GB
Memory bandwidth
640 GB/s
FP16 compute
191 TFLOPS
Reports
63

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 128GBAMD Radeon AI PRO R9700 32GB
Qwen3.8 27B9.0 t/sFP1616.0 t/sQ6_K
Qwen3.8 125B · 6B active41.2 t/sQ5_K_S18.7 t/sQ2_K, experts in RAM
Qwen3.6 35B · 3B active28.5 t/sFP1658.2 t/sQ5_K_M
DeepSeek V4 Flash 284B · 13B active64.8 t/sQ2_Kdoesn't fit at these settings
Qwen3.6 27B9.0 t/sFP1616.0 t/sQ6_K
Gemma 4 26B · 4B active24.4 t/sFP1640.9 t/sQ6_K

Change the context, RAM or model in the calculator: M5 Max 128GB · AMD Radeon AI PRO R9700 32GB

Every report on each card, with its source: M5 Max 128GB · AMD Radeon AI PRO R9700 32GB

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