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URL: https://willitrunai.com/can-run/granite-3.1-8b-on-rtx-5070-12gb


Can Granite 3.1 8B run on RTX 5070 12GB?

YES — Runs Great

B61Good
Estimated from fit model

Granite 3.1 8B needs ~9.2 GB VRAM. RTX 5070 12GB has 12.0 GB. With Q4_K_M quantization, expect ~93 tok/s.

Runtime: OllamaCapacity: RoomyBandwidth: MediumStack: BasicBottleneck: Balanced
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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.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 9.2 GB, 93.3 tok/s, Runs well
9.2 GB required12.0 GB available
77% VRAM used

Fit status

Runs well

Decode

93.3 tok/s

TTFT

2076 ms

Safe context

39K

Memory

9.2 GB / 12.0 GB

Memory breakdown

Weights4.9 GB
KV Cache2.0 GB
Runtime1.2 GB
Headroom1.2 GB

See how fast it feels

See how fast it feelsGranite 3.1 8B on RTX 5070 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: 93.3 tok/s decode · 2.1s TTFT (warm) · 233 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

No major red flags

This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.

Best improvement path

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatBRuns well93.3 tok/s1132 ms39K
CodingBRuns well93.3 tok/s2076 ms39K
Agentic CodingBTight fit93.3 tok/s3019 ms39K
ReasoningBRuns well93.3 tok/s2453 ms39K
RAGBTight fit93.3 tok/s3774 ms39K

Quantization options

How Granite 3.1 8B (8B params) fits at each quantization level on RTX 5070 12GB (12.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
3.1 GB
LowC54
Q3_K_S
3
3.9 GB
LowB55
NVFP4
4

Get started

Copy-paste commands to run Granite 3.1 8B on your machine.

Run

ollama run granite3.1-dense

Frequently asked questions

See all results for RTX 5070 12GBSee all hardware for Granite 3.1 8B
4.5 GB
Medium
B56
Q4_K_M
4
4.9 GB
MediumB56
Q5_K_M
5
5.8 GB
HighB57
Q6_K
6
6.6 GB
HighB57
Q8_0Best for your GPU
8
8.6 GB
Very HighB56
F16
16
16.4 GB
MaximumF0