Can I Run Gemma 3 on NVIDIA GeForce RTX 3090?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 12 lipca 2026

Yes, comfortably — you'll have ~7.7 GB of headroom running Gemma 3 27B Instruct at Q4_K_M (16.30125 GB, ~27 tok/s (est.)) with room for up to 4K context.

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NVIDIA GeForce RTX 3090 24GB
24 GB VRAM · 350 W board power
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NVIDIA GeForce RTX 3090 Specs

VRAM24 GB
Memory Bandwidth936 GB/s

Gemma 3 27B Instruct on the NVIDIA GeForce RTX 3090: VRAM by quantization

QuantVRAM neededFits 24 GB?Max context
F1659 GB✗ No
Q8_033.6 GB✗ No
Q6_K27.1 GB✗ No
Q5_K_M24.1 GB✗ No
Q4_K_M21.3 GB✓ Yes4K
Q3_K_M16.5 GB✓ Yes8K
Q2_K13.8 GB✓ Yes8K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 24 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

Gemma 3 Sizes That Fit the NVIDIA GeForce RTX 3090

Gemma 3 27B InstructQ4_K_M · 16.30125 GB · ~27 tok/s (est.)
Gemma 3 12B InstructQ4_K_M · 7.245 GB · ~58 tok/s (est.)
Gemma 3 4B InstructQ4_K_M · 2.415 GB · ~136 tok/s (est.)
Gemma 3 1B InstructQ4_K_M · 0.60375 GB · ~263 tok/s (est.)
Buy vs. rent Gemma 3
Buy the GPU
~$1,499
NVIDIA GeForce RTX 3090 · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$1,499) beats renting at $0.34/hr after about 6.1 years.

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

FAQ

Gemma 3 on the NVIDIA GeForce RTX 3090 — does it fit?

Yes, comfortably — you'll have ~7.7 GB of headroom running Gemma 3 27B Instruct at Q4_K_M (16.30125 GB, ~27 tok/s (est.)) with room for up to 4K context.

Which Gemma 3 variant fits best on the NVIDIA GeForce RTX 3090?

Gemma 3 27B Instruct at Q4_K_M quantization (16.30125 GB), estimated ~27 tokens/sec, up to 4K context.

Every Gemma 3 size on the NVIDIA GeForce RTX 3090

SizeVRAMVerdictSpeed
Gemma 3 27B Instruct16.3 GBRuns~27 tok/s
Gemma 3 12B Instruct7.2 GBRuns~58 tok/s
Gemma 3 4B Instruct2.4 GBRuns~136 tok/s
Gemma 3 1B Instruct0.6 GBRuns~263 tok/s

Gemma 3 on Other GPUs

Popular Models on the NVIDIA GeForce RTX 3090

VRAM Tier

Troubleshooting

Buying Guide

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