RTX 4070 Ti Super 16GB vs RTX 5070 Ti 16GB for Local LLMs

The RTX 5070 Ti 16GB has about 33% more memory bandwidth (896 vs 672 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 33% faster on the RTX 5070 Ti 16GB. Both fit the same number of catalog models at Q4/8K (25 of 61; 16 vs 16 GB VRAM). MSRP is $799 for the RTX 4070 Ti Super 16GB vs $749 for the RTX 5070 Ti 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 RTX 5070 Ti 16GB posts the higher tok/s in 42 rows vs 2. Methodology.

Spec comparison

	RTX 4070 Ti Super 16GB	RTX 5070 Ti 16GB
Vendor	NVIDIA	NVIDIA
VRAM	16 GB	16 GB
Memory type	GDDR6X	GDDR7
Memory bandwidth	672 GB/s	896 GB/s
TDP	285 W	300 W
MSRP (list)	$799	$749
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 5070 Ti 16GB tok/s	RTX 5070 Ti 16GB fits	Winner
Qwen3-0.6B	0.8	534.5 est.	Yes	712.7 est.	Yes	RTX 5070 Ti 16GB
gemma-3-1b-it	1.0	427.6 est.	Yes	570.2 est.	Yes	RTX 5070 Ti 16GB
Llama-3.2-1B-Instruct	1.2	356.4 est.	Yes	475.2 est.	Yes	RTX 5070 Ti 16GB
Qwen3-30B-A3B	30.5	308.6 est.	No	411.5 est.	No	RTX 5070 Ti 16GB
Qwen3-Coder-30B-A3B-Instruct	30.5	308.6 est.	No	411.5 est.	No	RTX 5070 Ti 16GB
Qwen3-30B-A3B-Instruct-2507	30.5	308.6 est.	No	411.5 est.	No	RTX 5070 Ti 16GB
GLM-4.7-Flash	31.2	296.3 est.	No	395.0 est.	No	RTX 5070 Ti 16GB
Qwen3-1.7B	2.0	213.8 est.	Yes	285.1 est.	Yes	RTX 5070 Ti 16GB
Llama-3.2-3B-Instruct	3.2	199.0 measured	Yes	178.2 est.	Yes	RTX 4070 Ti Super 16GB
gpt-oss-20b	21.5	118.8 est.	Yes	189.5 measured	Yes	RTX 5070 Ti 16GB
Mistral-7B-Instruct-v0.3	7.2	59.4 est.	Yes	160.2 measured	Yes	RTX 5070 Ti 16GB
Phi-4-mini-instruct	3.8	112.5 est.	Yes	150.0 est.	Yes	RTX 5070 Ti 16GB
Phi-4-mini-reasoning	3.8	112.5 est.	Yes	150.0 est.	Yes	RTX 5070 Ti 16GB
gemma-3-4b-it	4.3	109.7 est.	Yes	146.2 est.	Yes	RTX 5070 Ti 16GB
Qwen3-4B-Instruct-2507	4.0	106.9 est.	Yes	142.5 est.	Yes	RTX 5070 Ti 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

	RTX 4070 Ti Super 16GB	RTX 5070 Ti 16GB
Catalog models that fit	25 of 61	25 of 61
Largest exclusive fit	—	—

RTX 4070 Ti Super 16GB details → · RTX 5070 Ti 16GB details →