Can gemma 3 27b it run on RTX 5090 32GB?
YES — Runs Great
gemma 3 27b it needs ~24.0 GB VRAM. RTX 5090 32GB has 32.0 GB. With Q4_K_M quantization, expect ~73 tok/s.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Fit status
Runs well
Decode
72.9 tok/s
TTFT
2656 ms
Safe context
56K
Memory
24.0 GB / 32.0 GB
Memory breakdown
See how fast it feels
What limits this setup
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
Best improvement path
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | B | Runs well | 72.9 tok/s | 1449 ms | 56K |
| Coding | B | Runs well | 72.9 tok/s | 2656 ms | 56K |
| Agentic Coding | C | Tight fit | 72.9 tok/s | 3863 ms | 56K |
| Reasoning | B | Runs well | 72.9 tok/s | 3139 ms | 56K |
| RAG | C | Tight fit | 72.9 tok/s | 4829 ms | 56K |
Quantization options
How gemma 3 27b it (27B params) fits at each quantization level on RTX 5090 32GB (32.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 10.5 GB | Low | C47 |
Q3_K_S | 3 | 13.2 GB | Low | C48 |
NVFP4 | 4 | 15.1 GB | Medium | C49 |
Q4_K_M | 4 | 16.5 GB | Medium | C50 |
Q5_K_M | 5 | 19.4 GB | High | C49 |
Q6_KBest for your GPU | 6 | 22.1 GB | High | C49 |
Q8_0 | 8 | 28.9 GB | Very High | F0 |
F16 | 16 | 55.4 GB | Maximum | F0 |
Get started
Copy-paste commands to run gemma 3 27b it on your machine.
Run
lms load hf-unsloth--gemma-3-27b-it-gguf && lms server start