Can Llama 4 Scout 17B 16E run on AMD Instinct MI325X 256GB?

YES — Runs Great

A78Great

Estimated from fit model

Llama 4 Scout 17B 16E needs ~95.9 GB VRAM. AMD Instinct MI325X 256GB has 256.0 GB. With Q4_K_M quantization, expect ~168 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: HighStack: 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) — 95.9 GB, 167.5 tok/s, Runs well

95.9 GB required256.0 GB available

37% VRAM used

Fit status

Runs well

Decode

167.5 tok/s

TTFT

1156 ms

Safe context

890K

Memory

95.9 GB / 256.0 GB

Memory breakdown

Weights66.5 GB

KV Cache2.9 GB

Runtime0.9 GB

Headroom25.6 GB

See how fast it feels

See how fast it feelsLlama 4 Scout 17B 16E on AMD Instinct MI325X 256GB
1st promptCold start — includes initialization
>Solve: If a train travels at 60 mph for 2.5 hours, how far does it go?
Let me work through this step by step.

Given information:
  - Speed = 60 mph (miles per hour)
  - Time  = 2.5 hours

Formula: Distance = Speed x Time

Calculation:
  Distance = 60 mph x 2.5 h
           = 150 miles

The train travels 150 miles.

Double-check: at 60 mph the train covers 60 miles each hour. In half an hour it covers 30 miles. So in 2.5 hours: 60 + 60 + 30 = 150 miles. Confirmed.
2nd promptWarm — model ready, no init overhead
>What if the train stops for 20 minutes halfway?
The stop doesn't change the total distance covered while moving, but it affects total trip time.

Breakdown:
  - First half: 1.25 hours at 60 mph = 75 miles
  - Stop: 20 minutes (no distance)
  - Second half: 1.25 hours at 60 mph = 75 miles

Total distance: 150 miles (same)
Total time: 2.5 h + 0.33 h = 2.83 hours
Average speed: 150 / 2.83 = 53 mph

The distance stays the same but average speed drops to 53 mph because of the stop.
Estimated: 167.5 tok/s decode · 1.2s TTFT (warm) · 419 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	167.5 tok/s	630 ms	890K
Coding	A	Runs well	167.5 tok/s	1156 ms	890K
Agentic Coding	A	Runs well	167.5 tok/s	1681 ms	890K
Reasoning	A	Runs well	167.5 tok/s	1366 ms	890K
RAG	A	Runs well	167.5 tok/s	2102 ms	890K

Quantization options

How Llama 4 Scout 17B 16E (109B params) fits at each quantization level on AMD Instinct MI325X 256GB (256.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	42.5 GB	Low	B67
Q3_K_S	3	53.4 GB	Low	B68
NVFP4	4	61.0 GB	Medium	B69
Q4_K_M	4	66.5 GB	Medium	B69
Q5_K_M	5	78.5 GB	High	B70
Q6_K	6	89.4 GB	High	A71
Q8_0Best for your GPU	8	116.6 GB	Very High	A73
F16	16	223.5 GB	Maximum	F0

Get started

Copy-paste commands to run Llama 4 Scout 17B 16E on your machine.

Run

lms load Llama-4-Scout-17B-16E-Instruct && lms server start

Your hardware

More models your AMD Instinct MI325X 256GB can run

Model	Params	Grade	Decode
Qwen 3.5 397B A17B	397B	A	39.2 tok/s
Devstral 2 123B Instruct	123B	S	63.5 tok/s
Qwen 3.5 122B A10B	122B	S	176.1 tok/s
DeepSeek V4 Flash	284B	S	94.4 tok/s
Mistral Small 4 119B	119B	S	190.9 tok/s

Frequently asked questions

Can AMD Instinct MI325X 256GB run Llama 4 Scout 17B 16E?

Yes, AMD Instinct MI325X 256GB can run Llama 4 Scout 17B 16E with a A grade (Runs well). Expected decode speed: 167.5 tok/s.

How much VRAM does Llama 4 Scout 17B 16E need?

Llama 4 Scout 17B 16E (109B parameters) requires approximately 95.9 GB of memory with Q4_K_M quantization.

What is the best quantization for Llama 4 Scout 17B 16E?

The recommended quantization for Llama 4 Scout 17B 16E is Q4_K_M, which balances quality and memory efficiency.

What speed will Llama 4 Scout 17B 16E run at on AMD Instinct MI325X 256GB?

On AMD Instinct MI325X 256GB, Llama 4 Scout 17B 16E achieves approximately 167.5 tokens per second decode speed with a time-to-first-token of 1156ms using Q4_K_M quantization.

Can AMD Instinct MI325X 256GB run Llama 4 Scout 17B 16E for coding?

For coding workloads, Llama 4 Scout 17B 16E on AMD Instinct MI325X 256GB receives a A grade with 167.5 tok/s and 890K context.

What context window can Llama 4 Scout 17B 16E use on AMD Instinct MI325X 256GB?

On AMD Instinct MI325X 256GB, Llama 4 Scout 17B 16E can safely use up to 890K tokens of context. The model's official context limit is 10.5M, but available memory constrains the safe maximum.

See all results for AMD Instinct MI325X 256GB See all hardware for Llama 4 Scout 17B 16E

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