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MacBook Pro M4 Max 128GB vs RTX 5070 12GB for Local LLMs

The RTX 5070 12GB has about 23% more memory bandwidth (672 vs 546 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 23% faster on the RTX 5070 12GB. The MacBook Pro M4 Max 128GB fits more of the catalog at Q4/8K — 47 vs 18 of 61 models (128 vs 12 GB VRAM). Largest model that fits the MacBook Pro M4 Max 128GB but not the RTX 5070 12GB: DeepSeek-V4-Flash (158.1B). MSRP is $4,399 for the MacBook Pro M4 Max 128GB vs $549 for the RTX 5070 12GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (40 shared models), the RTX 5070 12GB posts the higher tok/s in 33 rows vs 7. Methodology.

Spec comparison

MacBook Pro M4 Max 128GBRTX 5070 12GB
VendorAppleNVIDIA
VRAM128 GB12 GB
Memory typeLPDDR5XGDDR7
Memory bandwidth546 GB/s672 GB/s
TDP160 W250 W
MSRP (list)$4,399$549
BuySearch Amazon (affiliate)Search Amazon (affiliate)

MSRP is the launch list price, not live retail. Buy links are Amazon affiliate links — the price after you click is the live price.

Q4 / 8K head-to-head — top 15 of 40 shared models

ModelParams (B)MacBook Pro M4 Max 128GB tok/sMacBook Pro M4 Max 128GB fitsRTX 5070 12GB tok/sRTX 5070 12GB fitsWinner
Qwen3-0.6B0.8434.3 est.Yes534.5 est.YesRTX 5070 12GB
gemma-3-1b-it1.0347.5 est.Yes427.6 est.YesRTX 5070 12GB
Llama-3.2-1B-Instruct1.2289.5 est.Yes356.4 est.YesRTX 5070 12GB
gpt-oss-20b21.596.5 est.Yes266.2 est.NoRTX 5070 12GB
Qwen3-1.7B2.0173.7 est.Yes213.8 est.YesRTX 5070 12GB
Qwen3-30B-A3B30.5115.8 est.Yes173.6 est.NoRTX 5070 12GB
Qwen3-Coder-30B-A3B-Instruct30.5115.8 est.Yes173.6 est.NoRTX 5070 12GB
Qwen3-30B-A3B-Instruct-250730.5115.8 est.Yes173.6 est.NoRTX 5070 12GB
GLM-4.7-Flash31.2115.8 est.Yes166.6 est.NoRTX 5070 12GB
Llama-3.2-3B-Instruct3.2108.6 est.Yes133.6 est.YesRTX 5070 12GB
Mistral-7B-Instruct-v0.37.248.3 est.Yes120.5 measuredYesRTX 5070 12GB
Qwen3-Next-80B-A3B-Instruct81.3115.8 est.Yes27.3 est.NoMacBook Pro M4 Max 128GB
Qwen3-Coder-Next79.7115.8 est.Yes28.4 est.NoMacBook Pro M4 Max 128GB
Phi-4-mini-instruct3.891.4 est.Yes112.5 est.YesRTX 5070 12GB
Phi-4-mini-reasoning3.891.4 est.Yes112.5 est.YesRTX 5070 12GB

est. = bandwidth-based estimate; measured = curated real benchmark that overrides the estimate. Fits = weights + KV(8K) + 1 GB overhead ≤ 95% of VRAM.

Fit coverage at Q4 / 8K

MacBook Pro M4 Max 128GBRTX 5070 12GB
Catalog models that fit47 of 6118 of 61
Largest exclusive fitDeepSeek-V4-Flash (158.1B)—

MacBook Pro M4 Max 128GB details → · RTX 5070 12GB details →