RTX 4070 12GB vs RTX 4070 Super 12GB for Local LLMs

Both list the same memory bandwidth (504 GB/s), so per-token decode speed should be similar whenever a model fits both. Both fit the same number of catalog models at Q4/8K (18 of 61; 12 vs 12 GB VRAM). MSRP is $599 for the RTX 4070 12GB vs $599 for the RTX 4070 Super 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 RTX 4070 12GB posts the higher tok/s in 2 rows vs 0. Methodology.

Spec comparison

	RTX 4070 12GB	RTX 4070 Super 12GB
Vendor	NVIDIA	NVIDIA
VRAM	12 GB	12 GB
Memory type	GDDR6X	GDDR6X
Memory bandwidth	504 GB/s	504 GB/s
TDP	200 W	220 W
MSRP (list)	$599	$599
Buy	ASUS Dual GeForce RTX 4070 OC 12GB (affiliate) · More listings	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)	RTX 4070 12GB tok/s	RTX 4070 12GB fits	RTX 4070 Super 12GB tok/s	RTX 4070 Super 12GB fits	Winner
Qwen3-0.6B	0.8	400.9 est.	Yes	400.9 est.	Yes	Tie
gemma-3-1b-it	1.0	320.7 est.	Yes	320.7 est.	Yes	Tie
Llama-3.2-1B-Instruct	1.2	267.3 est.	Yes	267.3 est.	Yes	Tie
gpt-oss-20b	21.5	199.6 est.	No	199.6 est.	No	Tie
Llama-3.2-3B-Instruct	3.2	160.7 measured	Yes	100.2 est.	Yes	RTX 4070 12GB
Qwen3-1.7B	2.0	160.4 est.	Yes	160.4 est.	Yes	Tie
Qwen3-30B-A3B	30.5	130.2 est.	No	130.2 est.	No	Tie
Qwen3-Coder-30B-A3B-Instruct	30.5	130.2 est.	No	130.2 est.	No	Tie
Qwen3-30B-A3B-Instruct-2507	30.5	130.2 est.	No	130.2 est.	No	Tie
GLM-4.7-Flash	31.2	125.0 est.	No	125.0 est.	No	Tie
Phi-4-mini-instruct	3.8	84.4 est.	Yes	84.4 est.	Yes	Tie
Phi-4-mini-reasoning	3.8	84.4 est.	Yes	84.4 est.	Yes	Tie
gemma-3-4b-it	4.3	82.2 est.	Yes	82.2 est.	Yes	Tie
Qwen3-4B-Instruct-2507	4.0	80.2 est.	Yes	80.2 est.	Yes	Tie
Qwen3-4B-Thinking-2507	4.0	80.2 est.	Yes	80.2 est.	Yes	Tie

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 12GB	RTX 4070 Super 12GB
Catalog models that fit	18 of 61	18 of 61
Largest exclusive fit	—	—

RTX 4070 12GB details → · RTX 4070 Super 12GB details →