Can StarCoder 7B run on RX 6800 16GB?

YES — Tight Fit

A76Great

Estimated from fit model

StarCoder 7B needs ~14.1 GB VRAM. RX 6800 16GB has 16.0 GB. With Q4_K_M quantization, expect ~66 tok/s.

Runtime: llama.cppCapacity: TightBandwidth: MediumStack: StandardBottleneck: Balanced

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) — 14.1 GB, 65.9 tok/s, Tight fit

14.1 GB required16.0 GB available

88% VRAM used

Fit status

Tight fit

Decode

65.9 tok/s

TTFT

2936 ms

Safe context

Memory

14.1 GB / 16.0 GB

Memory breakdown

Weights4.3 GB

KV Cache7.3 GB

Runtime0.9 GB

Headroom1.6 GB

See how fast it feels

See how fast it feelsStarCoder 7B on RX 6800 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: 65.9 tok/s decode · 2.9s TTFT (warm) · 165 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

Workload	Grade	Fit	Decode	TTFT	Context
Chat	A	Runs well	65.9 tok/s	1601 ms	8K
Coding	A	Tight fit	65.9 tok/s	2936 ms	8K
Agentic Coding	F	Too heavy	26.8 tok/s	10520 ms	8K
Reasoning	A	Tight fit	65.9 tok/s	3469 ms	8K
RAG	F	Too heavy	26.8 tok/s	13150 ms	8K

Quantization options

How StarCoder 7B (7B params) fits at each quantization level on RX 6800 16GB (16.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	2.7 GB	Low	A70
Q3_K_S	3	3.4 GB	Low	A71
NVFP4	4	3.9 GB	Medium	A71
Q4_K_M	4	4.3 GB	Medium	A71
Q5_K_M	5	5.0 GB	High	A72
Q6_K	6	5.7 GB	High	A73
Q8_0Best for your GPU	8	7.5 GB	Very High	A75
F16	16	14.3 GB	Maximum	F0

Get started

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

Run

lms load starcoder-7b && lms server start

Your hardware

More models your RX 6800 16GB can run

Model	Params	Grade	Decode
Qwen 3.5 9B	9B	S	55.1 tok/s
Qwen 3 14B	14B	S	35.6 tok/s
Qwen 3 8B	8B	S	62 tok/s
Phi-4-reasoning-plus 14B	14.7B	S	33.8 tok/s
GPT-OSS 20B	21B	A	32.6 tok/s

Frequently asked questions

Can RX 6800 16GB run StarCoder 7B?

Yes, RX 6800 16GB can run StarCoder 7B with a A grade (Tight fit). Expected decode speed: 65.9 tok/s.

How much VRAM does StarCoder 7B need?

StarCoder 7B (7B parameters) requires approximately 14.1 GB of memory with Q4_K_M quantization.

What is the best quantization for StarCoder 7B?

The recommended quantization for StarCoder 7B is Q4_K_M, which balances quality and memory efficiency.

What speed will StarCoder 7B run at on RX 6800 16GB?

On RX 6800 16GB, StarCoder 7B achieves approximately 65.9 tokens per second decode speed with a time-to-first-token of 2936ms using Q4_K_M quantization.

Can RX 6800 16GB run StarCoder 7B for coding?

For coding workloads, StarCoder 7B on RX 6800 16GB receives a A grade with 65.9 tok/s and 8K context.

What context window can StarCoder 7B use on RX 6800 16GB?

On RX 6800 16GB, StarCoder 7B can safely use up to 8K tokens of context. The model's official context limit is 8K, but available memory constrains the safe maximum.

See all results for RX 6800 16GB See all hardware for StarCoder 7B

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