32 GB VRAM · Q4 native Amazon
RTX 5090
Pros
- Runs Gemma 3 27B at Q4 natively
- 32 GB VRAM — adequate headroom
Local Engine Ready
Gemma 3 27B
11 consumer GPUs can run Gemma 3 27B at Q4 natively. Precise VRAM thresholds and benchmarks below.
11 Compatible GPUs
18 with offloading
27B params
128K context
Top pick
RTX 5090 · 32 GB VRAM runs Q4 natively
Prices and availability may change · affiliate link
Javier Morales AI hardware specialist — 8 years of experience
GitHub: github.com/javier-morales-ia
llama.cpp 0.2.x · CUDA 12 · ROCm 6 · updated monthly · methodology →
Execution Context
ARCHITECTURE TRANSFORMER
CONTEXT 128K TOKENS
QUANTIZATION 4-BIT GGUF
PROVIDER Google
LICENSE Gemma
VRAM REQUIREMENT
16.2 GB
4GB 8GB 12GB 16GB 24GB+
Hardware Decision
This model requires aHigh-end GPU (24 GB VRAM)
Compatible GPUs for Gemma 3 27B
Best picks by compatibility, VRAM headroom, and value — prices and availability may change.
24 GB VRAM · Q4 native Amazon
RTX 4090
Pros
- Runs Gemma 3 27B at Q4 natively
- 24 GB VRAM — adequate headroom
128 GB VRAM · Q4 native Amazon
M4 Ultra
Pros
- Runs Gemma 3 27B at Q4 natively
- 128 GB VRAM — adequate headroom
Some links are Amazon affiliate links. We may earn a commission at no extra cost to you. Amazon cookies may last up to 24 hours after your click.
How to run this model
Check if your GPU can run Gemma 3 27B →
VRAM Calculator — instant compatibility check
RTX 5090
32 GB · Runs Q4 natively · Check availability
*Prices and availability may change. Some links are affiliate links.
System Requirements
GPU VRAM 16.2 GB High-end GPU
System RAM 25 GB
32 GB recommended
Storage 13.5 GB Q4 · SSD recommended
CPU Any modern CPU GPU required
VRAM by Quantization
| Quantization | VRAM needed | Disk space | Quality |
|---|---|---|---|
| FP16 (max quality) | 64.8 GB | 54 GB | Maximum |
| Q8 (high quality) | 32.4 GB | 27 GB | Near-lossless |
| Q4 (recommended) Best balance | 16.2 GB | 13.5 GB | Recommended |
| Q2 (minimum) | 8.1 GB | 6.75 GB | Quality loss |
Model Details
| Developer | |
| Parameters | 27B |
| Context window | 128,000 tokens |
| License | Gemma |
| Use cases | chat, coding, reasoning, analysis |
| Released | 2025-03 |
Install with Ollama
ollama run gemma3:27b Hugging Face
google/gemma-3-27b-it Technical Requirements
Can your GPU run Gemma 3 27B?
Gemma 3 27B requires <strong class="text-primary-container">16.2 GB VRAM</strong> at Q4. 11 consumer GPUs meet this threshold. Below 8 GB or 14.2 GB you'll hit significant offload latency.
8.1GB Critical min
16.2GB Optimal Q4
32.4GB High Quality Q8
64.8GB Max FP16
Hardware Performance Matrix
11 Q4 native · 18 offload
| GPU Unit | VRAM | Compatibility | Est. Speed | Action |
|---|---|---|---|---|
| RTX 5090 | 32GB | Optimal | 42 tok/s | Calculate → |
| RTX 4090 | 24GB | Optimal | 24 tok/s | Calculate → |
| M4 Ultra | 128GB | Optimal | 25 tok/s | Calculate → |
| M3 Ultra | 192GB | Optimal | 19 tok/s | Calculate → |
| RTX 3090 | 24GB | Optimal | 22 tok/s | Calculate → |
| M4 Max 48GB | 48GB | Optimal | 13 tok/s | Calculate → |
| RX 7900 XTX | 24GB | Optimal | 22 tok/s | Calculate → |
| M4 Max 36GB | 36GB | Optimal | 13 tok/s | Calculate → |
| RX 7900 XT | 20GB | Optimal | 19 tok/s | Calculate → |
| M4 Pro | 24GB | Optimal | 6 tok/s | Calculate → |
| M3 Pro | 18GB | Optimal | — | Calculate → |
| RTX 5080 | 16GB | Offload | — | Calculate → |
| RTX 4080 Super | 16GB | Offload | — | Calculate → |
| RTX 5070 Ti | 16GB | Offload | — | Calculate → |
| RTX 4070 Ti Super | 16GB | Offload | — | Calculate → |
| RTX 3080 Ti | 12GB | Offload | — | Calculate → |
| RTX 5070 | 12GB | Offload | — | Calculate → |
| RTX 3080 | 10GB | Offload | — | Calculate → |
| RX 7800 XT | 16GB | Offload | — | Calculate → |
| RX 6800 XT | 16GB | Offload | — | Calculate → |
| RTX 4070 | 12GB | Offload | — | Calculate → |
| RTX 4060 Ti 16GB | 16GB | Offload | — | Calculate → |
| RX 7700 XT | 12GB | Offload | — | Calculate → |
| RX 6700 XT | 12GB | Offload | — | Calculate → |
| RTX 2080 Ti | 11GB | Offload | — | Calculate → |
| RTX 3060 | 12GB | Offload | — | Calculate → |
| M2 Pro | 16GB | Offload | — | Calculate → |
| Arc A770 16GB | 16GB | Offload | — | Calculate → |
| M1 Pro | 16GB | Offload | — | Calculate → |
Recommended GPUs for Gemma 3 27B
Real Benchmarks
No Paid Reviews
Editorial Pick
Data-driven
Best picks by compatibility, VRAM headroom, and value — prices and availability may change.
RTX 5090
32 GB VRAM
Q4 native
Check availability →
RTX 4090
24 GB VRAM
Q4 native
Check availability →
M4 Ultra
128 GB VRAM
Q4 native
Check availability →
Some links are Amazon affiliate links. We may earn a commission at no extra cost to you. Amazon cookies may last up to 24 hours after your click.
Gemma 3 27B — Compatibility guide
Gemma 3 27B needs intermediate hardware or Q4 quantization to run on consumer GPUs. With 18 GB VRAM you get the best quality. Use the VRAM calculator to see which quantization your GPU supports.
Compare GPUs for Gemma 3 27B
Which GPU is worth it? Real specs and benchmarks side by side.
Compatible Hardware
GPUs that run Gemma 3 27B at Q4 — sorted by AI performance score.
Real Benchmarks
No Paid Reviews
Data-driven
Some links are Amazon affiliate links. We may earn a commission at no extra cost to you. Amazon cookies may last up to 24 hours after your click.
More Practical Alternatives
Similar models in the chat category with comparable VRAM footprints.
Not sure which GPU you need for Gemma 3 27B?
The VRAM Calculator tells you exactly which quantization your hardware can handle.
RTX 5090
Check availability
Prices change daily