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RTX A6000 48GB vs RTX 4060 8GB for Local LLMs

The RTX A6000 48GB has about 182% more memory bandwidth (768 vs 272 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 182% faster on the RTX A6000 48GB. The RTX A6000 48GB fits more of the catalog at Q4/8K — 39 vs 17 of 61 models (48 vs 8 GB VRAM). Largest model that fits the RTX A6000 48GB but not the RTX 4060 8GB: Qwen3-Coder-Next (79.7B). MSRP is $4,500 for the RTX A6000 48GB vs $299 for the RTX 4060 8GB. 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 A6000 48GB posts the higher tok/s in 38 rows vs 0. Methodology.

Spec comparison

RTX A6000 48GBRTX 4060 8GB
VendorNVIDIANVIDIA
VRAM48 GB8 GB
Memory typeGDDR6GDDR6
Memory bandwidth768 GB/s272 GB/s
TDP300 W115 W
MSRP (list)$4,500$299
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 A6000 48GB tok/sRTX A6000 48GB fitsRTX 4060 8GB tok/sRTX 4060 8GB fitsWinner
Qwen3-0.6B0.8610.9 est.Yes216.4 est.YesRTX A6000 48GB
gemma-3-1b-it1.0488.7 est.Yes173.1 est.YesRTX A6000 48GB
Llama-3.2-1B-Instruct1.2407.3 est.Yes144.2 est.YesRTX A6000 48GB
Qwen3-1.7B2.0244.4 est.Yes86.5 est.YesRTX A6000 48GB
Qwen3-30B-A3B30.5162.9 est.Yes31.2 est.NoRTX A6000 48GB
Qwen3-Coder-30B-A3B-Instruct30.5162.9 est.Yes31.2 est.NoRTX A6000 48GB
GLM-4.7-Flash31.2162.9 est.Yes30.0 est.NoRTX A6000 48GB
Qwen3-30B-A3B-Instruct-250730.5162.9 est.Yes31.2 est.NoRTX A6000 48GB
Llama-3.2-3B-Instruct3.2152.7 est.Yes54.1 est.YesRTX A6000 48GB
gpt-oss-20b21.5135.8 est.Yes47.9 est.NoRTX A6000 48GB
Phi-4-mini-instruct3.8128.6 est.Yes45.6 est.YesRTX A6000 48GB
Phi-4-mini-reasoning3.8128.6 est.Yes45.6 est.YesRTX A6000 48GB
gemma-3-4b-it4.3125.3 est.Yes44.4 est.YesRTX A6000 48GB
Qwen3-4B-Instruct-25074.0122.2 est.Yes43.3 est.YesRTX A6000 48GB
Qwen3-4B-Thinking-25074.0122.2 est.Yes43.3 est.YesRTX A6000 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 A6000 48GBRTX 4060 8GB
Catalog models that fit39 of 6117 of 61
Largest exclusive fitQwen3-Coder-Next (79.7B)—

RTX A6000 48GB details → · RTX 4060 8GB details →