zephyr 7B alpha needs ~7.2 GB VRAM. Intel Arc B580 12GB has 12.0 GB. With Q4_K_M quantization, expect ~51 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
51.3 tok/s
TTFT
3777 ms
Safe context
110K
Memory
7.2 GB / 12.0 GB
The raw memory story may look fine, but the software ecosystem is still a constraint here.
Runtime ecosystem is narrower than CUDA
Intel GPUs can look attractive on memory per dollar, but local AI tooling, kernels, and model coverage are still broader and easier on CUDA today.
Prefer CUDA if you want the path of least resistance
If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | C | Runs well | 51.3 tok/s | 2060 ms | 110K |
| Coding | C | Runs well | 51.3 tok/s | 3777 ms | 110K |
| Agentic Coding | C | Runs well | 51.3 tok/s | 5494 ms | 110K |
| Reasoning | C | Runs well | 51.3 tok/s | 4464 ms | 110K |
| RAG | C | Runs well | 51.3 tok/s | 6867 ms | 110K |
How zephyr 7B alpha (7B params) fits at each quantization level on Intel Arc B580 12GB (12.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.7 GB | Low | C49 |
Q3_K_S | 3 | 3.4 GB | Low | C50 |
NVFP4 | 4 |
Copy-paste commands to run zephyr 7B alpha on your machine.
Run
lms load hf-thebloke--zephyr-7b-alpha-gguf && lms server startYes, Intel Arc B580 12GB can run zephyr 7B alpha with a C grade (Runs well). Expected decode speed: 51.3 tok/s.
zephyr 7B alpha (7B parameters) requires approximately 7.2 GB of memory with Q4_K_M quantization.
The recommended quantization for zephyr 7B alpha is Q4_K_M, which balances quality and memory efficiency.
On Intel Arc B580 12GB, zephyr 7B alpha achieves approximately 51.3 tokens per second decode speed with a time-to-first-token of 3777ms using Q4_K_M quantization.
For coding workloads, zephyr 7B alpha on Intel Arc B580 12GB receives a C grade with 51.3 tok/s and 110K context.
On Intel Arc B580 12GB, zephyr 7B alpha can safely use up to 110K tokens of context. The model's official context limit is —, 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/hf-thebloke--zephyr-7b-alpha-gguf-on-arc-b580-12gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
3.9 GB |
| Medium |
| C50 |
Q4_K_M | 4 | 4.3 GB | Medium | C51 |
Q5_K_M | 5 | 5.0 GB | High | C52 |
Q6_K | 6 | 5.7 GB | High | C52 |
Q8_0Best for your GPU | 8 | 7.5 GB | Very High | C52 |
F16 | 16 | 14.3 GB | Maximum | F0 |
Prefer CUDA if you want the path of least resistance. If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.
Often yes, if your goal is the easiest setup and the widest runtime support. Intel can offer attractive memory capacity, but CUDA still tends to win on tooling maturity, guides, kernels, and model coverage for local AI.