Mac Studio M2 Ultra 192GB vs RTX 4070 Ti Super 16GB for Local LLMs

The Mac Studio M2 Ultra 192GB has about 19% more memory bandwidth (800 vs 672 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 19% faster on the Mac Studio M2 Ultra 192GB. The Mac Studio M2 Ultra 192GB fits more of the catalog at Q4/8K — 50 vs 25 of 61 models (192 vs 16 GB VRAM). Largest model that fits the Mac Studio M2 Ultra 192GB but not the RTX 4070 Ti Super 16GB: Qwen3-235B-A22B (235.1B). MSRP is $6,999 for the Mac Studio M2 Ultra 192GB vs $799 for the RTX 4070 Ti Super 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 Mac Studio M2 Ultra 192GB posts the higher tok/s in 31 rows vs 13. Methodology.

Spec comparison

	Mac Studio M2 Ultra 192GB	RTX 4070 Ti Super 16GB
Vendor	Apple	NVIDIA
VRAM	192 GB	16 GB
Memory type	LPDDR5	GDDR6X
Memory bandwidth	800 GB/s	672 GB/s
TDP	370 W	285 W
MSRP (list)	$6,999	$799
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 Studio M2 Ultra 192GB tok/s	Mac Studio M2 Ultra 192GB fits	RTX 4070 Ti Super 16GB tok/s	RTX 4070 Ti Super 16GB fits	Winner
Qwen3-0.6B	0.8	636.4 est.	Yes	534.5 est.	Yes	Mac Studio M2 Ultra 192GB
gemma-3-1b-it	1.0	509.1 est.	Yes	427.6 est.	Yes	Mac Studio M2 Ultra 192GB
Llama-3.2-1B-Instruct	1.2	424.2 est.	Yes	356.4 est.	Yes	Mac Studio M2 Ultra 192GB
Qwen3-30B-A3B	30.5	169.7 est.	Yes	308.6 est.	No	RTX 4070 Ti Super 16GB
Qwen3-Coder-30B-A3B-Instruct	30.5	169.7 est.	Yes	308.6 est.	No	RTX 4070 Ti Super 16GB
Qwen3-30B-A3B-Instruct-2507	30.5	169.7 est.	Yes	308.6 est.	No	RTX 4070 Ti Super 16GB
GLM-4.7-Flash	31.2	169.7 est.	Yes	296.3 est.	No	RTX 4070 Ti Super 16GB
Qwen3-1.7B	2.0	254.5 est.	Yes	213.8 est.	Yes	Mac Studio M2 Ultra 192GB
Llama-3.2-3B-Instruct	3.2	159.1 est.	Yes	199.0 measured	Yes	RTX 4070 Ti Super 16GB
Qwen3-Next-80B-A3B-Instruct	81.3	169.7 est.	Yes	48.6 est.	No	Mac Studio M2 Ultra 192GB
Qwen3-Coder-Next	79.7	169.7 est.	Yes	50.5 est.	No	Mac Studio M2 Ultra 192GB
Phi-4-mini-instruct	3.8	134.0 est.	Yes	112.5 est.	Yes	Mac Studio M2 Ultra 192GB
Phi-4-mini-reasoning	3.8	134.0 est.	Yes	112.5 est.	Yes	Mac Studio M2 Ultra 192GB
gemma-3-4b-it	4.3	130.5 est.	Yes	109.7 est.	Yes	Mac Studio M2 Ultra 192GB
Qwen3-4B-Instruct-2507	4.0	127.3 est.	Yes	106.9 est.	Yes	Mac Studio M2 Ultra 192GB

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 Studio M2 Ultra 192GB	RTX 4070 Ti Super 16GB
Catalog models that fit	50 of 61	25 of 61
Largest exclusive fit	Qwen3-235B-A22B (235.1B)	—

Mac Studio M2 Ultra 192GB details → · RTX 4070 Ti Super 16GB details →