Mac mini M4 Pro 64GB vs T4 16GB for Local LLMs

The T4 16GB has about 17% more memory bandwidth (320 vs 273 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 17% faster on the T4 16GB. The Mac mini M4 Pro 64GB fits more of the catalog at Q4/8K — 44 vs 25 of 61 models (64 vs 16 GB VRAM). Largest model that fits the Mac mini M4 Pro 64GB but not the T4 16GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $2,199 for the Mac mini M4 Pro 64GB vs $2,000 for the T4 16GB. 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 (44 shared models), the T4 16GB posts the higher tok/s in 37 rows vs 6. Methodology.

Spec comparison

	Mac mini M4 Pro 64GB	T4 16GB
Vendor	Apple	NVIDIA
VRAM	64 GB	16 GB
Memory type	LPDDR5X	GDDR6
Memory bandwidth	273 GB/s	320 GB/s
TDP	155 W	70 W
MSRP (list)	$2,199	$2,000
Buy	Search 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 44 shared models

Model	Params (B)	Mac mini M4 Pro 64GB tok/s	Mac mini M4 Pro 64GB fits	T4 16GB tok/s	T4 16GB fits	Winner
Qwen3-0.6B	0.8	217.2 est.	Yes	254.5 est.	Yes	T4 16GB
gemma-3-1b-it	1.0	173.7 est.	Yes	203.6 est.	Yes	T4 16GB
Llama-3.2-1B-Instruct	1.2	144.8 est.	Yes	169.7 est.	Yes	T4 16GB
Qwen3-30B-A3B	30.5	57.9 est.	Yes	147.0 est.	No	T4 16GB
Qwen3-Coder-30B-A3B-Instruct	30.5	57.9 est.	Yes	147.0 est.	No	T4 16GB
Qwen3-30B-A3B-Instruct-2507	30.5	57.9 est.	Yes	147.0 est.	No	T4 16GB
GLM-4.7-Flash	31.2	57.9 est.	Yes	141.1 est.	No	T4 16GB
Qwen3-1.7B	2.0	86.9 est.	Yes	101.8 est.	Yes	T4 16GB
Llama-3.2-3B-Instruct	3.2	54.3 est.	Yes	63.6 est.	Yes	T4 16GB
Qwen3-Next-80B-A3B-Instruct	81.3	57.9 est.	Yes	23.1 est.	No	Mac mini M4 Pro 64GB
Qwen3-Coder-Next	79.7	57.9 est.	Yes	24.0 est.	No	Mac mini M4 Pro 64GB
gpt-oss-20b	21.5	48.3 est.	Yes	56.6 est.	Yes	T4 16GB
Phi-4-mini-instruct	3.8	45.7 est.	Yes	53.6 est.	Yes	T4 16GB
Phi-4-mini-reasoning	3.8	45.7 est.	Yes	53.6 est.	Yes	T4 16GB
gemma-3-4b-it	4.3	44.5 est.	Yes	52.2 est.	Yes	T4 16GB

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

	Mac mini M4 Pro 64GB	T4 16GB
Catalog models that fit	44 of 61	25 of 61
Largest exclusive fit	Qwen3-Next-80B-A3B-Instruct (81.3B)	—

Mac mini M4 Pro 64GB details → · T4 16GB details →