Llama 3.3 70B needs ~68.0 GB VRAM. B100 192GB has 192.0 GB. With Q4_K_M quantization, expect ~171 tok/s.
Operating mode
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
171.1 tok/s
TTFT
1131 ms
Safe context
128K
Memory
68.0 GB / 192.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 171.1 tok/s | 617 ms | 128K |
| Coding | A | Runs well | 171.1 tok/s | 1131 ms | 128K |
| Agentic Coding | A | Runs well | 171.1 tok/s | 1645 ms | 128K |
| Reasoning | A | Runs well | 171.1 tok/s | 1337 ms | 128K |
| RAG | A | Runs well | 171.1 tok/s | 2057 ms | 128K |
How Llama 3.3 70B (70B params) fits at each quantization level on B100 192GB (192.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 27.3 GB | Low | A73 |
Q3_K_S | 3 | 34.3 GB | Low | A74 |
NVFP4 | 4 | 39.2 GB | Medium | A74 |
Q4_K_M | 4 | 42.7 GB | Medium | A75 |
Q5_K_M | 5 | 50.4 GB | High | A75 |
Q6_K | 6 | 57.4 GB | High | A76 |
Q8_0 | 8 | 74.9 GB | Very High | A78 |
F16Best for your GPU | 16 | 143.5 GB | Maximum | A82 |
Copy-paste commands to run Llama 3.3 70B on your machine.
Run
ollama run llama3.3Your hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 123B | S | 97.4 tok/s | ||
| 122B | S | 270.2 tok/s | ||
| 284B | S | 144.8 tok/s | ||
| 119B | S | 292.9 tok/s | ||
| 117B | S | 102.4 tok/s |
Yes, B100 192GB can run Llama 3.3 70B with a A grade (Runs well). Expected decode speed: 171.1 tok/s.
Llama 3.3 70B (70B parameters) requires approximately 68.0 GB of memory with Q4_K_M quantization.
The recommended quantization for Llama 3.3 70B is Q4_K_M, which balances quality and memory efficiency.
On B100 192GB, Llama 3.3 70B achieves approximately 171.1 tokens per second decode speed with a time-to-first-token of 1131ms using Q4_K_M quantization.
For coding workloads, Llama 3.3 70B on B100 192GB receives a A grade with 171.1 tok/s and 128K context.
On B100 192GB, Llama 3.3 70B can safely use up to 128K tokens of context. The model's official context limit is 128K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/llama-3.3-70b-on-b100-192gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: