Llama 3.1 8B needs ~9.3 GB VRAM. RX 7600 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~37 tok/s.
Operating mode
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
36.8 tok/s
TTFT
5261 ms
Safe context
71K
Memory
9.3 GB / 16.0 GB
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.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 36.8 tok/s | 2870 ms | 71K |
| Coding | A | Runs well | 36.8 tok/s | 5261 ms | 71K |
| Agentic Coding | A | Runs well | 36.8 tok/s | 7653 ms | 71K |
| Reasoning | A | Runs well | 36.8 tok/s | 6218 ms | 71K |
| RAG | A | Runs well | 36.8 tok/s | 9566 ms | 71K |
How Llama 3.1 8B (8B params) fits at each quantization level on RX 7600 XT 16GB (16.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.1 GB | Low | B68 |
Q3_K_S | 3 | 3.9 GB | Low | B69 |
NVFP4 | 4 | 4.5 GB | Medium | B69 |
Q4_K_M | 4 | 4.9 GB | Medium | B70 |
Q5_K_M | 5 | 5.8 GB | High | A71 |
Q6_K | 6 | 6.6 GB | High | A71 |
Q8_0Best for your GPU | 8 | 8.6 GB | Very High | A72 |
F16 | 16 | 16.4 GB | Maximum | F0 |
Copy-paste commands to run Llama 3.1 8B on your machine.
Run
ollama run llama3.1Your hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 9B | S | 32.7 tok/s | ||
| 14B | S | 21.1 tok/s | ||
| 14.7B | S | 20 tok/s | ||
| 21B | A | 19.3 tok/s | ||
| 14B | A | 21 tok/s |
Yes, RX 7600 XT 16GB can run Llama 3.1 8B with a A grade (Runs well). Expected decode speed: 36.8 tok/s.
Llama 3.1 8B (8B parameters) requires approximately 9.3 GB of memory with Q4_K_M quantization.
The recommended quantization for Llama 3.1 8B is Q4_K_M, which balances quality and memory efficiency.
On RX 7600 XT 16GB, Llama 3.1 8B achieves approximately 36.8 tokens per second decode speed with a time-to-first-token of 5261ms using Q4_K_M quantization.
For coding workloads, Llama 3.1 8B on RX 7600 XT 16GB receives a A grade with 36.8 tok/s and 71K context.
On RX 7600 XT 16GB, Llama 3.1 8B can safely use up to 71K tokens of context. The model's official context limit is 128K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/llama-3.1-8b-on-rx-7600-xt-16gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview: