Can I Run Gemma 3 27B Instruct on NVIDIA GeForce RTX 5080?

Name: LLM Configurator — GPU VRAM Checker
Author: LLM Configurator

作者： Jakub Rusinowski · 最后更新： 2026年8月15日

No. Gemma 3 27B Instruct needs 16.3 GB at Q4_K_M and the NVIDIA GeForce RTX 5080 has only 16 GB. No quantization we publish closes a gap that size.

The numbers

Either step down to a smaller size in this family, or move to a AMD Radeon RX 7900 XT (20 GB), the cheapest card we track with enough VRAM.

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Cheapest card we track with enough VRAM for Gemma 3 27B Instruct:

AMD Radeon RX 7900 XT 20GB

20 GB VRAM · 315 W board power

2026年价格波动较大——请以当前商品页价格为准。

Won't fit — rent Gemma 3 27B Instruct instead

Gemma 3 27B Instruct needs ~16 GB but this GPU has 16 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:

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RunPod $0.34/hr

Vast.ai $0.35/hr · typical low · varies

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.