Intel Arc B580 12GBBudget pickC44.9 tok/s decode
~$249 MSRP
Can it run?
Tight fit
Using Q4_K_M in Ollama
Fit status
Tight fit
Decode
118.4 tok/s
TTFT
1636 ms
Safe context
19K
Memory
8.3 GB / 10.0 GB
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Agentic Coding | C | Runs with offload | 118.4 tok/s | 2379 ms | 33K |
| Chat | B | Runs well | 118.4 tok/s | 892 ms | 10K |
| Coding | C | Tight fit | 118.4 tok/s | 1636 ms | 19K |
| RAG | C | Runs with offload | 118.4 tok/s | 2974 ms | 33K |
| Reasoning | C | Tight fit | 118.4 tok/s | 1933 ms | 19K |
How granite 8b code instruct 4k (8B params) fits at each quantization level on RTX 3080 10GB (10.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 3.1 GB | Low | D36 |
Q3_K_S | 3 | 3.9 GB | Low | D37 |
NVFP4 | 4 | 4.5 GB | Medium | D39 |
Q4_K_M | 4 | 4.9 GB | Medium | D40 |
Q5_K_M | 5 | 5.8 GB | High | C42 |
Q6_KBest for your GPU | 6 | 6.6 GB | High | C43 |
Q8_0 | 8 | 8.6 GB | Very High | C44 |
F16 | 16 | 16.4 GB | Maximum | F0 |
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