Can Yi 1.5 9B run on AMD Instinct MI300X 192GB?

YES — Runs Great

C49Usable

Estimated from fit model

Yi 1.5 9B needs ~27.1 GB VRAM. AMD Instinct MI300X 192GB has 192.0 GB. With Q4_K_M quantization, expect ~126 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) — 27.1 GB, 126.0 tok/s, Runs well

27.1 GB required192.0 GB available

14% VRAM used

Fit status

Runs well

Decode

126.0 tok/s

TTFT

1537 ms

Safe context

Memory

27.1 GB / 192.0 GB

Memory breakdown

Weights5.5 GB

KV Cache1.5 GB

Runtime0.9 GB

Headroom19.2 GB

See how fast it feels

See how fast it feelsYi 1.5 9B on AMD Instinct MI300X 192GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API.

When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed.

Key benefits of running locally:
  - Full privacy: your prompts never leave your machine
  - No per-token cost or rate limits
  - Works offline once the model is downloaded
  - Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb:

  Model size     Q4 (4-bit)    Q8 (8-bit)    FP16
  7B params      ~4.3 GB       ~7.5 GB       ~14 GB
  13B params     ~7.9 GB       ~13.9 GB      ~26 GB
  70B params     ~42.7 GB      ~74.9 GB      ~140 GB

Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 126.0 tok/s decode · 1.5s TTFT (warm) · 315 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	C	Runs well	126.0 tok/s	838 ms	4K
Coding	C	Runs well	126.0 tok/s	1537 ms	4K
Agentic Coding	C	Runs well	126.0 tok/s	2235 ms	4K
Reasoning	C	Runs well	126.0 tok/s	1816 ms	4K
RAG	C	Runs well	126.0 tok/s	2794 ms	4K

Quantization options

How Yi 1.5 9B (9B params) fits at each quantization level on AMD Instinct MI300X 192GB (192.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.5 GB	Low	C41
Q3_K_S	3	4.4 GB	Low	C41
NVFP4	4

Get started

Copy-paste commands to run Yi 1.5 9B on your machine.

Run

lms load Yi-1.5-9B-Chat && lms server start

Frequently asked questions

Can AMD Instinct MI300X 192GB run Yi 1.5 9B?

Yes, AMD Instinct MI300X 192GB can run Yi 1.5 9B with a C grade (Runs well). Expected decode speed: 126.0 tok/s.

How much VRAM does Yi 1.5 9B need?

Yi 1.5 9B (9B parameters) requires approximately 27.1 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi 1.5 9B?

The recommended quantization for Yi 1.5 9B is Q4_K_M, which balances quality and memory efficiency.

What speed will Yi 1.5 9B run at on AMD Instinct MI300X 192GB?

On AMD Instinct MI300X 192GB, Yi 1.5 9B achieves approximately 126.0 tokens per second decode speed with a time-to-first-token of 1537ms using Q4_K_M quantization.

Can AMD Instinct MI300X 192GB run Yi 1.5 9B for coding?

For coding workloads, Yi 1.5 9B on AMD Instinct MI300X 192GB receives a C grade with 126.0 tok/s and 4K context.

What context window can Yi 1.5 9B use on AMD Instinct MI300X 192GB?

On AMD Instinct MI300X 192GB, Yi 1.5 9B can safely use up to 4K tokens of context. The model's official context limit is 4K, but available memory constrains the safe maximum.

See all results for AMD Instinct MI300X 192GB See all hardware for Yi 1.5 9B

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