Intel Arc B580 12GBBudget pickC39.9 tok/s decode
~$249 MSRP
Can it run?
Tight fit
Using Q4_K_M in Ollama
Fit status
Tight fit
Decode
99.7 tok/s
TTFT
1942 ms
Safe context
18K
Memory
9.1 GB / 10.0 GB
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Agentic Coding | C | Runs with offload (needs ~0.3 GB host RAM) | 100.9 tok/s | 2790 ms | 30K |
| Chat | C | Tight fit | 105.2 tok/s | 1004 ms | 9K |
| Coding | C | Tight fit | 99.7 tok/s | 1942 ms | 18K |
| RAG | C | Runs with offload (needs ~0.3 GB host RAM) | 100.9 tok/s | 3488 ms | 30K |
| Reasoning | C | Tight fit | 105.2 tok/s | 2175 ms |
How Qwen3.5 9B Uncensored HauhauCS Aggressive (9B params) fits at each quantization level on RTX 3080 10GB (10.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.5 GB | Low | D37 |
Q3_K_S | 3 | 4.4 GB | Low | D39 |
NVFP4 | 4 |
Upgrade options
Intel Arc B580 12GBBudget pick~$249 MSRP
RTX 3060 12GBBest value~$329 MSRP
RTX 3080 12GBBiggest leap~$799 MSRP
RTX 3080 Ti 12GBNVIDIA upgrade~$1,199 MSRP
| 18K |
5.0 GB |
| Medium |
| C40 |
Q4_K_M | 4 | 5.5 GB | Medium | C41 |
Q5_K_MBest for your GPU | 5 | 6.5 GB | High | C43 |
Q6_K | 6 | 7.4 GB | High | C45 |
Q8_0 | 8 | 9.6 GB | Very High | C45 |
F16 | 16 | 18.5 GB | Maximum | F0 |