Mac mini M4 Pro 64GB vs RX 7700 XT 12GB for Local LLMs

The RX 7700 XT 12GB has about 58% more memory bandwidth (432 vs 273 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 58% faster on the RX 7700 XT 12GB. The Mac mini M4 Pro 64GB fits more of the catalog at Q4/8K — 44 vs 18 of 61 models (64 vs 12 GB VRAM). Largest model that fits the Mac mini M4 Pro 64GB but not the RX 7700 XT 12GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $2,199 for the Mac mini M4 Pro 64GB vs $449 for the RX 7700 XT 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 RX 7700 XT 12GB posts the higher tok/s in 33 rows vs 3. Methodology.

Spec comparison

	Mac mini M4 Pro 64GB	RX 7700 XT 12GB
Vendor	Apple	AMD
VRAM	64 GB	12 GB
Memory type	LPDDR5X	GDDR6
Memory bandwidth	273 GB/s	432 GB/s
TDP	155 W	245 W
MSRP (list)	$2,199	$449
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 40 shared models

Model	Params (B)	Mac mini M4 Pro 64GB tok/s	Mac mini M4 Pro 64GB fits	RX 7700 XT 12GB tok/s	RX 7700 XT 12GB fits	Winner
Qwen3-0.6B	0.8	217.2 est.	Yes	343.6 est.	Yes	RX 7700 XT 12GB
gemma-3-1b-it	1.0	173.7 est.	Yes	274.9 est.	Yes	RX 7700 XT 12GB
Llama-3.2-1B-Instruct	1.2	144.8 est.	Yes	229.1 est.	Yes	RX 7700 XT 12GB
gpt-oss-20b	21.5	48.3 est.	Yes	171.1 est.	No	RX 7700 XT 12GB
Qwen3-1.7B	2.0	86.9 est.	Yes	137.5 est.	Yes	RX 7700 XT 12GB
Qwen3-30B-A3B	30.5	57.9 est.	Yes	111.6 est.	No	RX 7700 XT 12GB
Qwen3-Coder-30B-A3B-Instruct	30.5	57.9 est.	Yes	111.6 est.	No	RX 7700 XT 12GB
Qwen3-30B-A3B-Instruct-2507	30.5	57.9 est.	Yes	111.6 est.	No	RX 7700 XT 12GB
GLM-4.7-Flash	31.2	57.9 est.	Yes	107.1 est.	No	RX 7700 XT 12GB
Llama-3.2-3B-Instruct	3.2	54.3 est.	Yes	85.9 est.	Yes	RX 7700 XT 12GB
Phi-4-mini-instruct	3.8	45.7 est.	Yes	72.3 est.	Yes	RX 7700 XT 12GB
Phi-4-mini-reasoning	3.8	45.7 est.	Yes	72.3 est.	Yes	RX 7700 XT 12GB
gemma-3-4b-it	4.3	44.5 est.	Yes	70.5 est.	Yes	RX 7700 XT 12GB
Qwen3-4B-Instruct-2507	4.0	43.4 est.	Yes	68.7 est.	Yes	RX 7700 XT 12GB
Qwen3-4B-Thinking-2507	4.0	43.4 est.	Yes	68.7 est.	Yes	RX 7700 XT 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

	Mac mini M4 Pro 64GB	RX 7700 XT 12GB
Catalog models that fit	44 of 61	18 of 61
Largest exclusive fit	Qwen3-Next-80B-A3B-Instruct (81.3B)	—

Mac mini M4 Pro 64GB details → · RX 7700 XT 12GB details →