Can Granite 3.1 8B run on RX 7800 XT 16GB?
YES — Runs Great
Granite 3.1 8B needs ~9.3 GB VRAM. RX 7800 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~98 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
98.0 tok/s
TTFT
1975 ms
Safe context
71K
Memory
9.3 GB / 16.0 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 | 98.0 tok/s | 1077 ms | 71K |
| Coding | B | Runs well | 98.0 tok/s | 1975 ms | 71K |
| Agentic Coding | B | Runs well | 98.0 tok/s | 2873 ms | 71K |
| Reasoning | B | Runs well | 98.0 tok/s | 2334 ms | 71K |
| RAG | B | Runs well | 98.0 tok/s | 3592 ms | 71K |
Quantization options
How Granite 3.1 8B (8B params) fits at each quantization level on RX 7800 XT 16GB (16.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.1 GB | Low | C52 |
Q3_K_S | 3 | 3.9 GB | Low | C52 |
NVFP4 | 4 |
Get started
Copy-paste commands to run Granite 3.1 8B on your machine.
Run
ollama run granite3.1-dense