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URL: https://willitrunai.com/can-run/starcoder2-7b-on-rx-6950-xt-16gb


Can StarCoder2 7B run on RX 6950 XT 16GB?

YES — Runs Great

C51Usable
Estimated from fit model

StarCoder2 7B needs ~7.3 GB VRAM. RX 6950 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~85 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: MediumStack: StandardBottleneck: 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) — 7.3 GB, 85.4 tok/s, Runs well
7.3 GB required16.0 GB available
46% VRAM used

Fit status

Runs well

Decode

85.4 tok/s

TTFT

2267 ms

Safe context

16K

Memory

7.3 GB / 16.0 GB

Memory breakdown

Weights4.3 GB
KV Cache0.5 GB
Runtime0.9 GB
Headroom1.6 GB

See how fast it feels

See how fast it feelsStarCoder2 7B on RX 6950 XT 16GB
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: 85.4 tok/s decode · 2.3s TTFT (warm) · 214 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
ChatCRuns well85.4 tok/s1236 ms16K
CodingCRuns well85.4 tok/s2267 ms16K
Agentic CodingCRuns well85.4 tok/s3297 ms16K
ReasoningCRuns well85.4 tok/s2679 ms16K
RAGCRuns well85.4 tok/s4121 ms16K

Quantization options

How StarCoder2 7B (7B params) fits at each quantization level on RX 6950 XT 16GB (16.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
2.7 GB
LowC46
Q3_K_S
3
3.4 GB
LowC47
NVFP4
4

Get started

Copy-paste commands to run StarCoder2 7B on your machine.

Run

lms load starcoder2-7b && lms server start

Frequently asked questions

See all results for RX 6950 XT 16GBSee all hardware for StarCoder2 7B
3.9 GB
Medium
C47
Q4_K_M
4
4.3 GB
MediumC47
Q5_K_M
5
5.0 GB
HighC48
Q6_K
6
5.7 GB
HighC49
Q8_0Best for your GPU
8
7.5 GB
Very HighC51
F16
16
14.3 GB
MaximumF0