estimate
Can I run Llama 3.2 3B on an RTX 5090?
Yes, fully in VRAM (estimate)
Can I run Llama 3.2 3B on an RTX 5090? Yes, fully in VRAM (estimate). About 3.7 GB at Q4_K_M (estimate).
Updated . The later of the hardware price date and the formula date.
| Quant | Context | Weights | KV | Overhead | Total | Usable | Fit | Est. tok/s |
|---|---|---|---|---|---|---|---|---|
| Q4 Q4_K_M | 8,192 tokens | 1.9 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 3.7 GB estimate | 31.4 GB estimate | full | 444 tok/s estimate |
| Q5 Q5 (~0.71 bytes/param) | 8,192 tokens | 2.3 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 4.0 GB estimate | 31.4 GB estimate | full | 400 tok/s estimate |
| Q8 Q8 | 8,192 tokens | 3.4 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 5.2 GB estimate | 31.4 GB estimate | full | 300 tok/s estimate |
| FP16 FP16 | 8,192 tokens | 6.4 GB estimate | 0.9 GB estimate | 0.8 GB estimate | 8.2 GB estimate | 31.4 GB estimate | full | 183 tok/s estimate |
| Q4, longer context | 32,768 tokens | 1.9 GB estimate | 3.8 GB estimate | 0.8 GB estimate | 6.5 GB estimate | 31.4 GB estimate | full | 234 tok/s estimate |
Formula estimate, not a benchmark. Method →
Cheapest catalog option that fits at Q4
GeForce RTX 3060 12GB, used (median of sold listings), €257, dated 2026-10-16. No buy link.
This hardware
$7,052€6,299
new (lowest in-stock EU)
price as of 16 Oct 2026
PriceSquirrelCheapest in-stock listing on 16 Oct 2026: €6,299, ASUS ROG Astral GeForce RTX 5090 32GB OC White at Proshop (FI). MSI Gaming Trio OC at Compumsa (BE) was €6,571 and out of stock. A 16 Oct 2026 fact-check notes BE/NL/DE about €7,900–€8,800. No used median was recorded. NVIDIA (Jeff Fisher, 16 Oct 2026) denies a production halt; supply is tight and some retailers have delisted the card.
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Llama 3.2 3B on RTX 5090
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Questions
- Can I run Llama 3.2 3B on an RTX 5090?
- Yes, fully in VRAM (estimate).
- How much memory does Llama 3.2 3B need at Q4?
- About 3.7 GB at 8,192 tokens (estimate): 1.9 GB weights, 0.9 GB KV cache, 0.8 GB overhead.
- How fast is Llama 3.2 3B on RTX 5090 (estimate)?
- About 444 tok/s at Q4 (estimate, not a benchmark).