RTX 4070 Ti Super 16GB vs RTX 6000 Ada 48GB for Local LLMs

The RTX 6000 Ada 48GB has about 43% more memory bandwidth (960 vs 672 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 43% faster on the RTX 6000 Ada 48GB. The RTX 6000 Ada 48GB fits more of the catalog at Q4/8K — 39 vs 25 of 61 models (48 vs 16 GB VRAM). Largest model that fits the RTX 6000 Ada 48GB but not the RTX 4070 Ti Super 16GB: Qwen3-Coder-Next (79.7B). MSRP is $799 for the RTX 4070 Ti Super 16GB vs $6,800 for the RTX 6000 Ada 48GB. 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 RTX 6000 Ada 48GB posts the higher tok/s in 34 rows vs 10. Methodology.

Spec comparison

	RTX 4070 Ti Super 16GB	RTX 6000 Ada 48GB
Vendor	NVIDIA	NVIDIA
VRAM	16 GB	48 GB
Memory type	GDDR6X	GDDR6
Memory bandwidth	672 GB/s	960 GB/s
TDP	285 W	300 W
MSRP (list)	$799	$6,800
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)	RTX 4070 Ti Super 16GB tok/s	RTX 4070 Ti Super 16GB fits	RTX 6000 Ada 48GB tok/s	RTX 6000 Ada 48GB fits	Winner
Qwen3-0.6B	0.8	534.5 est.	Yes	763.6 est.	Yes	RTX 6000 Ada 48GB
Qwen3-Next-80B-A3B-Instruct	81.3	48.6 est.	No	624.8 est.	No	RTX 6000 Ada 48GB
gemma-3-1b-it	1.0	427.6 est.	Yes	610.9 est.	Yes	RTX 6000 Ada 48GB
Llama-3.2-1B-Instruct	1.2	356.4 est.	Yes	509.1 est.	Yes	RTX 6000 Ada 48GB
Qwen3-30B-A3B	30.5	308.6 est.	No	203.6 est.	Yes	RTX 4070 Ti Super 16GB
Qwen3-Coder-30B-A3B-Instruct	30.5	308.6 est.	No	203.6 est.	Yes	RTX 4070 Ti Super 16GB
Qwen3-30B-A3B-Instruct-2507	30.5	308.6 est.	No	203.6 est.	Yes	RTX 4070 Ti Super 16GB
Qwen3-1.7B	2.0	213.8 est.	Yes	305.5 est.	Yes	RTX 6000 Ada 48GB
GLM-4.7-Flash	31.2	296.3 est.	No	203.6 est.	Yes	RTX 4070 Ti Super 16GB
Qwen3-Coder-Next	79.7	50.5 est.	No	203.6 est.	Yes	RTX 6000 Ada 48GB
Llama-3.2-3B-Instruct	3.2	199.0 measured	Yes	190.9 est.	Yes	RTX 4070 Ti Super 16GB
gpt-oss-20b	21.5	118.8 est.	Yes	169.7 est.	Yes	RTX 6000 Ada 48GB
Mistral-7B-Instruct-v0.3	7.2	59.4 est.	Yes	166.6 measured	Yes	RTX 6000 Ada 48GB
Phi-4-mini-instruct	3.8	112.5 est.	Yes	160.8 est.	Yes	RTX 6000 Ada 48GB
Phi-4-mini-reasoning	3.8	112.5 est.	Yes	160.8 est.	Yes	RTX 6000 Ada 48GB

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

	RTX 4070 Ti Super 16GB	RTX 6000 Ada 48GB
Catalog models that fit	25 of 61	39 of 61
Largest exclusive fit	—	Qwen3-Coder-Next (79.7B)

RTX 4070 Ti Super 16GB details → · RTX 6000 Ada 48GB details →