llamaperf

M5 Max 128GB vs M5 Max 64GB

For running local LLMs · 22 reports across 9 models

Side A
M5 Max 128GB
Vendor
apple
VRAM
128GB
Memory
Unified
Side B
M5 Max 64GB
Vendor
apple
VRAM
64GB
Memory
Unified

Highest reported generation speed by model family

These maxima come from different community setups. Model size, quantization, GPU count, offloading and concurrency may differ. They do not establish which GPU is faster for the same workload. Check the comparison conditions →

ModelM5 Max 128GBM5 Max 64GB
Qwen3.6up to 35B79.4n=463.0n=2
Qwen3.8up to 2400B55.0n=5
Gemma 4up to 31B7.5n=397.0n=1
DeepSeek V4 Flashup to 285Bn=130.0n=1
GLM-5.3up to 321B24.0n=1
Nex-N2.5-mini133.6n=1
Qwen3.5up to 122Bn=1
StepFun 3.733.9n=1
Tencent-HY3up to 295B32.4n=1

More comparisons