Can the RTX Pro 4000 Blackwell run Llama 3.3 70B?
No. Llama 3.3 70B needs about 45 GB and the RTX Pro 4000 Blackwell has at most 24 GB of VRAM. Ollama can still start it by putting part of the model in system RAM, but it runs several times slower. The most capable model it runs well is Qwen3 30B-A3B, at about 120 tok/s.
Llama 3.3 70B needsAbout 45 GB
RTX Pro 4000 Blackwell has24 GB VRAM
Bandwidth672 GB/s
Estimated speedDoesn't fit
What runs Llama 3.3 70B
These cards have the memory for it, nearest to the RTX Pro 4000 Blackwell first. The cheapest build on our list that runs it well is the Workstation + 2× RTX 3090, from $3,500 used, at about 12 tok/s.
How we estimate
Speed is roughly memory bandwidth divided by the weights read per token, calibrated on our own rack. Sizes are Ollama's default 4-bit downloads plus about 1.2 GB for context. Real results are usually within about a third. Measured it yourself? Send us the number.
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