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estimate

Can I run Gemma 2 9B on an RTX 5090?

Yes, fully in VRAM (estimate)

Can I run Gemma 2 9B on an RTX 5090? Yes, fully in VRAM (estimate). About 8.5 GB at Q4_K_M (estimate).

Updated . The later of the hardware price date and the formula date.

Gemma 2 9B on RTX 5090, formula estimate
QuantContextWeightsKVOverheadTotalUsableFitEst. tok/s
Q4 Q4_K_M8,192 tokens5.5 GB estimate2.1 GB estimate0.8 GB estimate8.5 GB estimate31.4 GB estimatefull176 tok/s estimate
Q5 Q5 (~0.71 bytes/param)8,192 tokens6.6 GB estimate2.1 GB estimate0.8 GB estimate9.5 GB estimate31.4 GB estimatefull156 tok/s estimate
Q8 Q88,192 tokens9.9 GB estimate2.1 GB estimate0.8 GB estimate12.8 GB estimate31.4 GB estimatefull114 tok/s estimate
FP16 FP168,192 tokens18.5 GB estimate2.1 GB estimate0.8 GB estimate21.4 GB estimate31.4 GB estimatefull67 tok/s estimate
Q4, longer context8,192 tokens5.5 GB estimate2.1 GB estimate0.8 GB estimate8.5 GB estimate31.4 GB estimatefull176 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

PriceSquirrel

Cheapest 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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Gemma 2 9B on RTX 5090

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Questions

Can I run Gemma 2 9B on an RTX 5090?
Yes, fully in VRAM (estimate).
How much memory does Gemma 2 9B need at Q4?
About 8.5 GB at 8,192 tokens (estimate): 5.5 GB weights, 2.1 GB KV cache, 0.8 GB overhead.
How fast is Gemma 2 9B on RTX 5090 (estimate)?
About 176 tok/s at Q4 (estimate, not a benchmark).
Can I run Gemma 2 9B on an RTX 5090? VRAM & speed (estimate) · localLLMrig