Can Yi Coder 9B run on RX 6800 16GB?

YES — Runs Great

B65Good

Estimated from fit model

Yi Coder 9B needs ~9.5 GB VRAM. RX 6800 16GB has 16.0 GB. With Q4_K_M quantization, expect ~56 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: 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) — 9.5 GB, 55.8 tok/s, Runs well

9.5 GB required16.0 GB available

59% VRAM used

Fit status

Runs well

Decode

55.8 tok/s

TTFT

3471 ms

Safe context

87K

Memory

9.5 GB / 16.0 GB

Memory breakdown

Weights5.5 GB

KV Cache1.5 GB

Runtime0.9 GB

Headroom1.6 GB

See how fast it feels

See how fast it feelsYi Coder 9B 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: 55.8 tok/s decode · 3.5s TTFT (warm) · 140 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	B	Runs well	55.8 tok/s	1893 ms	87K
Coding	B	Runs well	55.8 tok/s	3471 ms	87K
Agentic Coding	B	Runs well	55.8 tok/s	5048 ms	87K
Reasoning	B	Runs well	55.8 tok/s	4102 ms	87K
RAG	B	Runs well	55.8 tok/s	6310 ms	87K

Quantization options

How Yi Coder 9B (9B params) fits at each quantization level on RX 6800 16GB (16.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.5 GB	Low	B60
Q3_K_S	3	4.4 GB	Low	B60
NVFP4	4	5.0 GB	Medium	B61
Q4_K_M	4	5.5 GB	Medium	B61
Q5_K_M	5	6.5 GB	High	B62
Q6_K	6	7.4 GB	High	B63
Q8_0Best for your GPU	8	9.6 GB	Very High	B63
F16	16	18.5 GB	Maximum	F0

Get started

Copy-paste commands to run Yi Coder 9B on your machine.

Run

lms load Yi-Coder-9B-Chat && lms server start

Frequently asked questions

Can RX 6800 16GB run Yi Coder 9B?

Yes, RX 6800 16GB can run Yi Coder 9B with a B grade (Runs well). Expected decode speed: 55.8 tok/s.

How much VRAM does Yi Coder 9B need?

Yi Coder 9B (9B parameters) requires approximately 9.5 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi Coder 9B?

The recommended quantization for Yi Coder 9B is Q4_K_M, which balances quality and memory efficiency.

What speed will Yi Coder 9B run at on RX 6800 16GB?

On RX 6800 16GB, Yi Coder 9B achieves approximately 55.8 tokens per second decode speed with a time-to-first-token of 3471ms using Q4_K_M quantization.

Can RX 6800 16GB run Yi Coder 9B for coding?

For coding workloads, Yi Coder 9B on RX 6800 16GB receives a B grade with 55.8 tok/s and 87K context.

What context window can Yi Coder 9B use on RX 6800 16GB?

On RX 6800 16GB, Yi Coder 9B can safely use up to 87K tokens of context. The model's official context limit is 131K, but available memory constrains the safe maximum.

See all results for RX 6800 16GB See all hardware for Yi Coder 9B

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