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estimate

Can I run Gemma 2 27B on an RTX 4090?

Yes, fully in VRAM (estimate)

Can I run Gemma 2 27B on an RTX 4090? Yes, fully in VRAM (estimate). About 19.4 GB at Q4_K_M (estimate).

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

Gemma 2 27B on RTX 4090, formula estimate
QuantContextWeightsKVOverheadTotalUsableFitEst. tok/s
Q4 Q4_K_M8,192 tokens16.3 GB estimate2.3 GB estimate0.8 GB estimate19.4 GB estimate23.4 GB estimatefull42 tok/s estimate
Q5 Q5 (~0.71 bytes/param)8,192 tokens19.3 GB estimate2.3 GB estimate0.8 GB estimate22.4 GB estimate23.4 GB estimatefull36 tok/s estimate
Q8 Q88,192 tokens29.1 GB estimate2.3 GB estimate0.8 GB estimate32.2 GB estimate23.4 GB estimateno—
FP16 FP168,192 tokens54.4 GB estimate2.3 GB estimate0.8 GB estimate57.5 GB estimate23.4 GB estimateno—
Q4, longer context8,192 tokens16.3 GB estimate2.3 GB estimate0.8 GB estimate19.4 GB estimate23.4 GB estimatefull42 tok/s estimate

Formula estimate, not a benchmark. Method →

Cheapest catalog option that fits at Q4

Radeon RX 7900 XTX 24GB, new (out of stock), €1,050, dated 2026-10-16. No buy link.

This hardware

$2,446€2,185

used (median of sold listings)

price as of 16 Oct 2026

new (lowest in-stock EU): $4,243€3,790. GPU PRIX. Current low €3,790, MSI Gaming X Slim, Belgium. Page last updated 15 Oct 2026, checked 16 Oct 2026. In-stock boards in that table start at €3,990.

pcprice.watch

Used median €2,185, typical €2,074–€2,290, 111 sales, updated 16 Oct 2026. Not an EU retail listing.

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Gemma 2 27B on RTX 4090

[![Gemma 2 27B Q4 on RTX 4090: fits ✓ · est. 42 tok/s (estimate)](https://localllmrig.com/badge/gemma-2-27b/rtx-4090.svg)](https://localllmrig.com/can-i-run/gemma-2-27b/rtx-4090?utm_source=badge)

Questions

Can I run Gemma 2 27B on an RTX 4090?
Yes, fully in VRAM (estimate).
How much memory does Gemma 2 27B need at Q4?
About 19.4 GB at 8,192 tokens (estimate): 16.3 GB weights, 2.3 GB KV cache, 0.8 GB overhead.
How fast is Gemma 2 27B on RTX 4090 (estimate)?
About 42 tok/s at Q4 (estimate, not a benchmark).
Gemma 2 27B on RTX 4090 (estimate) · localLLMrig