Can Codestral 2 25.08 run on Intel Arc B580 12GB?

YES — With Q2_K

A72Great

Estimated from fit model

Codestral 2 25.08 needs ~13.1 GB VRAM. Intel Arc B580 12GB has 12.0 GB. With Q2_K quantization, expect ~14 tok/s.

Runtime: llama.cppCapacity: OffloadBandwidth: MediumStack: StandardBottleneck: Host offload

Operating mode

Choose the run profile you care about

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.

Codestral 2 25.08 at Q4_K_M needs 18.0 GB — too much for Intel Arc B580 12GB (12.0 GB). Runs at Q2_K (13.1 GB) with low quality.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 18.0 GB, exceeds 12.0 GB available

18.0 GB required12.0 GB available

150% VRAM needed

6.0 GB over capacity — needs offload or smaller quantization

Fit status

Too heavy

Decode

5.5 tok/s

TTFT

34974 ms

Safe context

Memory

18.0 GB / 12.0 GB

Offload

30%

Memory breakdown

Weights13.4 GB

KV Cache2.4 GB

Runtime0.9 GB

Headroom1.2 GB

See how fast it feels

With memory offload — actual speed may be lower

See how fast it feelsCodestral 2 25.08 on Intel Arc B580 12GB
1st promptCold start — includes initialization
>Write a Python function to sort a list
Here's a Python function that sorts a list using quicksort:

def quicksort(arr):
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

# Example usage
numbers = [3, 6, 8, 10, 1, 2, 1]
print(quicksort(numbers))  # [1, 1, 2, 3, 6, 8, 10]

The algorithm picks a pivot, partitions the list into smaller, equal, and larger elements, then recursively sorts each partition and concatenates the results.
2nd promptWarm — model ready, no init overhead
>Now add type hints and a docstring
def quicksort(arr: list[int]) -> list[int]:
    """Sort a list using the quicksort algorithm.

    Args:
        arr: List of integers to sort.

    Returns:
        A new sorted list.
    """
    if len(arr) <= 1:
        return arr
    pivot = arr[len(arr) // 2]
    left   = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right  = [x for x in arr if x > pivot]
    return quicksort(left) + middle + quicksort(right)

Added type hints for the input and return type, plus a Google-style docstring.
Estimated: 5.5 tok/s decode · 35.0s TTFT (warm) · 14 tok/s prefill

What limits this setup

It fits through host-memory offload, and offload is the main reason performance drops.

CPU or host-memory offload is active

About 10% of the working set spills out of accelerator memory, which usually hurts latency and sustained decode throughput.

Very little memory headroom

You can run the model, but there is not much room left for longer context, bigger batches, extra apps, or future model updates.

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.

Best improvement path

Remove offload with more accelerator memory

Prioritize a GPU or unified-memory tier that fits the whole model natively. Removing offload usually helps more than small compute gains.

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.

Buy headroom, not only minimum fit

A slightly larger memory tier gives you safer context growth and makes the recommendation more future-proof.

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	F	Too heavy	6.4 tok/s	16525 ms	4K
Coding	F	Too heavy	5.5 tok/s	34974 ms	4K
Agentic Coding	F	Too heavy	4.3 tok/s	65976 ms	4K
Reasoning	F	Too heavy	5.5 tok/s	41333 ms	4K
RAG	F	Too heavy	4.3 tok/s	82470 ms	4K

Quantization options

How Codestral 2 25.08 (22B params) fits at each quantization level on Intel Arc B580 12GB (12.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	8.6 GB	Low	F0
Q3_K_S	3	10.8 GB	Low	F0
NVFP4	4	12.3 GB	Medium	F0
Q4_K_M	4	13.4 GB	Medium	F0
Q5_K_M	5	15.8 GB	High	F0
Q6_K	6	18.0 GB	High	F0
Q8_0	8	23.5 GB	Very High	F0
F16	16	45.1 GB	Maximum	F0

Get started

Copy-paste commands to run Codestral 2 25.08 on your machine.

Run

lms load codestral-2508 && lms server start

Opções de upgrade

Hardware que roda bem Codestral 2 25.08

Intel Arc A770 16GBMelhor custo-benefício

16 GB VRAM (+4)560 GB/s (+104)

Makes the model fit on the accelerator instead of staying completely out of reach.10.7 tok/s decodificação

Makes the model fit on the accelerator instead of staying completely out of reach.

Raises estimated decode speed by about 95%.

~$349 MSRP

Intel Arc Pro B50 16GBUpgrade Intel

16 GB VRAM (+4)

Makes the model fit on the accelerator instead of staying completely out of reach.5.3 tok/s decodificação

Makes the model fit on the accelerator instead of staying completely out of reach.

Adds memory headroom for longer context windows and future model growth.

~$399 MSRP

Intel Arc Pro B60 24GBOpção econômica

24 GB VRAM (+12)

Makes the model fit on the accelerator instead of staying completely out of reach.18.5 tok/s decodificação

Makes the model fit on the accelerator instead of staying completely out of reach.

Removes host-memory offload, which is usually the single biggest latency and throughput win.

~$599 MSRP

Frequently asked questions

Can Intel Arc B580 12GB run Codestral 2 25.08?

Yes, Intel Arc B580 12GB can run Codestral 2 25.08 at Q2_K quantization (Very compromised (needs ~0.7 GB host RAM)). The recommended Q4_K_M requires 18.0 GB which exceeds available memory, but at Q2_K it needs only 13.1 GB. Expected decode speed: 14.0 tok/s.

How much VRAM does Codestral 2 25.08 need?

Codestral 2 25.08 (22B parameters) requires approximately 18.0 GB at Q4_K_M quantization. On Intel Arc B580 12GB, it fits at Q2_K using 13.1 GB.

What is the best quantization for Codestral 2 25.08?

The recommended quantization is Q4_K_M, but on Intel Arc B580 12GB the best fitting quantization is Q2_K, which uses 13.1 GB.

What speed will Codestral 2 25.08 run at on Intel Arc B580 12GB?

On Intel Arc B580 12GB, Codestral 2 25.08 achieves approximately 14.0 tokens per second decode speed with a time-to-first-token of 13864ms using Q2_K quantization.

Can Intel Arc B580 12GB run Codestral 2 25.08 for coding?

For coding workloads, Codestral 2 25.08 on Intel Arc B580 12GB receives a F grade with 5.5 tok/s and 4K context.

What context window can Codestral 2 25.08 use on Intel Arc B580 12GB?

On Intel Arc B580 12GB, Codestral 2 25.08 can safely use up to 9K tokens of context at Q2_K quantization. The model's official context limit is 256K, but available memory constrains the safe maximum.

What should I upgrade first if Codestral 2 25.08 feels slow on Intel Arc B580 12GB?

Remove offload with more accelerator memory. Prioritize a GPU or unified-memory tier that fits the whole model natively. Removing offload usually helps more than small compute gains.

Would CUDA be a better path than Intel Arc B580 12GB for Codestral 2 25.08?

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.

See all results for Intel Arc B580 12GB See all hardware for Codestral 2 25.08

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