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RTX 4060 Ti 8GB vs RTX 5070 Ti 16GB for Local LLMs

The RTX 5070 Ti 16GB has about 211% more memory bandwidth (896 vs 288 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 211% faster on the RTX 5070 Ti 16GB. The RTX 5070 Ti 16GB fits more of the catalog at Q4/8K — 25 vs 17 of 61 models (16 vs 8 GB VRAM). Largest model that fits the RTX 5070 Ti 16GB but not the RTX 4060 Ti 8GB: gpt-oss-20b (21.5B). MSRP is $399 for the RTX 4060 Ti 8GB 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 (38 shared models), the RTX 5070 Ti 16GB posts the higher tok/s in 38 rows vs 0. Methodology.

Spec comparison

RTX 4060 Ti 8GBRTX 5070 Ti 16GB
VendorNVIDIANVIDIA
VRAM8 GB16 GB
Memory typeGDDR6GDDR7
Memory bandwidth288 GB/s896 GB/s
TDP160 W300 W
MSRP (list)$399$749
BuySearch 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 38 shared models

ModelParams (B)RTX 4060 Ti 8GB tok/sRTX 4060 Ti 8GB fitsRTX 5070 Ti 16GB tok/sRTX 5070 Ti 16GB fitsWinner
Qwen3-0.6B0.8229.1 est.Yes712.7 est.YesRTX 5070 Ti 16GB
gemma-3-1b-it1.0183.3 est.Yes570.2 est.YesRTX 5070 Ti 16GB
Llama-3.2-1B-Instruct1.2152.7 est.Yes475.2 est.YesRTX 5070 Ti 16GB
Qwen3-30B-A3B30.533.1 est.No411.5 est.NoRTX 5070 Ti 16GB
Qwen3-Coder-30B-A3B-Instruct30.533.1 est.No411.5 est.NoRTX 5070 Ti 16GB
Qwen3-30B-A3B-Instruct-250730.533.1 est.No411.5 est.NoRTX 5070 Ti 16GB
GLM-4.7-Flash31.231.7 est.No395.0 est.NoRTX 5070 Ti 16GB
Qwen3-1.7B2.091.6 est.Yes285.1 est.YesRTX 5070 Ti 16GB
gpt-oss-20b21.550.7 est.No189.5 measuredYesRTX 5070 Ti 16GB
Llama-3.2-3B-Instruct3.257.3 est.Yes178.2 est.YesRTX 5070 Ti 16GB
Mistral-7B-Instruct-v0.37.225.5 est.Yes160.2 measuredYesRTX 5070 Ti 16GB
Phi-4-mini-instruct3.848.2 est.Yes150.0 est.YesRTX 5070 Ti 16GB
Phi-4-mini-reasoning3.848.2 est.Yes150.0 est.YesRTX 5070 Ti 16GB
gemma-3-4b-it4.347.0 est.Yes146.2 est.YesRTX 5070 Ti 16GB
Qwen3-4B-Instruct-25074.045.8 est.Yes142.5 est.YesRTX 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 4060 Ti 8GBRTX 5070 Ti 16GB
Catalog models that fit17 of 6125 of 61
Largest exclusive fit—gpt-oss-20b (21.5B)

RTX 4060 Ti 8GB details → · RTX 5070 Ti 16GB details →