Qwen 2.5 VL 7B needs ~6.8 GB VRAM. RX 580 8GB has 8.0 GB. With Q4_K_M quantization, expect ~28 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
Tight fit
Decode
28.0 tok/s
TTFT
6917 ms
Safe context
33K
Memory
6.8 GB / 8.0 GB
This setup is broadly balanced for this model.
Older PCIe generation
PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 28.0 tok/s | 3773 ms | 33K |
| Coding | A | Tight fit | 28.0 tok/s | 6917 ms | 33K |
| Agentic Coding | A | Runs with offload | 28.0 tok/s | 10061 ms | 33K |
| Reasoning | A | Tight fit | 28.0 tok/s | 8174 ms | 33K |
| RAG | A | Runs with offload | 28.0 tok/s | 12576 ms | 33K |
How Qwen 2.5 VL 7B (7B params) fits at each quantization level on RX 580 8GB (8.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.7 GB | Low | A83 |
Q3_K_S | 3 | 3.4 GB | Low | A83 |
NVFP4 | 4 |
Copy-paste commands to run Qwen 2.5 VL 7B on your machine.
Run
lms load Qwen2.5-VL-7B-Instruct && lms server startYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 9B | A | 11.1 tok/s | ||
| 8B | A | 14.4 tok/s |
Yes, RX 580 8GB can run Qwen 2.5 VL 7B with a A grade (Tight fit). Expected decode speed: 28.0 tok/s.
Qwen 2.5 VL 7B (7B parameters) requires approximately 6.8 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 2.5 VL 7B is Q4_K_M, which balances quality and memory efficiency.
On RX 580 8GB, Qwen 2.5 VL 7B achieves approximately 28.0 tokens per second decode speed with a time-to-first-token of 6917ms using Q4_K_M quantization.
For coding workloads, Qwen 2.5 VL 7B on RX 580 8GB receives a A grade with 28.0 tok/s and 33K context.
On RX 580 8GB, Qwen 2.5 VL 7B can safely use up to 33K tokens of context. The model's official context limit is 33K, 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/qwen-2.5-vl-7b-on-rx-580-8gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
| Medium |
| A83 |
Q4_K_M | 4 | 4.3 GB | Medium | A83 |
Q5_K_MBest for your GPU | 5 | 5.0 GB | High | A82 |
Q6_K | 6 | 5.7 GB | High | F0 |
Q8_0 | 8 | 7.5 GB | Very High | F0 |
F16 | 16 | 14.3 GB | Maximum | F0 |
| 8B | A | 15.4 tok/s |
| 8B | A | 15.4 tok/s |
| 8B | B | 14.4 tok/s |