Would CUDA be a better path than Gaudi 3 128GB for Yi 1.5 9B Chat?

Often yes, if your goal is the easiest setup and the widest runtime support. Intel can offer attractive memory capacity, but CUDA still tends to win on tooling maturity, guides, kernels, and model coverage for local AI.

Can Yi 1.5 9B Chat run on Gaudi 3 128GB?

Q: What should I upgrade first if Yi 1.5 9B Chat feels slow on Gaudi 3 128GB?

Prefer CUDA if you want the path of least resistance. If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.

YES — Runs Great

C45Usable

Estimated from fit model

Yi 1.5 9B Chat needs ~20.2 GB VRAM. Gaudi 3 128GB has 128.0 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) — 20.2 GB, 126.0 tok/s, Runs well

20.2 GB required128.0 GB available

16% VRAM used

Fit status

Runs well

Decode

126.0 tok/s

TTFT

1537 ms

Safe context

1.7M

Memory

20.2 GB / 128.0 GB

Memory breakdown

Weights5.5 GB

KV Cache1.1 GB

Runtime0.9 GB

Headroom12.8 GB

See how fast it feels

See how fast it feelsYi 1.5 9B Chat on Gaudi 3 128GB
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

The raw memory story may look fine, but the software ecosystem is still a constraint here.

Runtime ecosystem is narrower than CUDA

Intel GPUs can look attractive on memory per dollar, but local AI tooling, kernels, and model coverage are still broader and easier on CUDA today.

Best improvement path

Prefer CUDA if you want the path of least resistance

If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	C	Runs well	126.0 tok/s	838 ms	1.7M
Coding	C	Runs well	126.0 tok/s	1537 ms	1.7M
Agentic Coding	C	Runs well	126.0 tok/s	2235 ms	1.7M
Reasoning	C	Runs well	126.0 tok/s	1816 ms	1.7M
RAG	C	Runs well	126.0 tok/s	2794 ms	1.7M

Quantization options

How Yi 1.5 9B Chat (9B params) fits at each quantization level on Gaudi 3 128GB (128.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	3.5 GB	Low	D38
Q3_K_S	3	4.4 GB	Low	D38
NVFP4	4

Get started

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

Run

lms load hf-bartowski--yi-1-5-9b-chat-gguf && lms server start

Upgrade options

Hardware that runs Yi 1.5 9B Chat well

Mac Studio M3 Ultra 256GBBudget pick

256 GB Unified (+128)

Adds memory headroom for longer context windows and future model growth.101.4 tok/s decode

Adds memory headroom for longer context windows and future model growth.

~$6,999 MSRP

Frequently asked questions

Can Gaudi 3 128GB run Yi 1.5 9B Chat?

Yes, Gaudi 3 128GB can run Yi 1.5 9B Chat with a C grade (Runs well). Expected decode speed: 126.0 tok/s.

How much VRAM does Yi 1.5 9B Chat need?

Yi 1.5 9B Chat (9B parameters) requires approximately 20.2 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi 1.5 9B Chat?

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

What speed will Yi 1.5 9B Chat run at on Gaudi 3 128GB?

On Gaudi 3 128GB, Yi 1.5 9B Chat achieves approximately 126.0 tokens per second decode speed with a time-to-first-token of 1537ms using Q4_K_M quantization.

Can Gaudi 3 128GB run Yi 1.5 9B Chat for coding?

For coding workloads, Yi 1.5 9B Chat on Gaudi 3 128GB receives a C grade with 126.0 tok/s and 1.7M context.

What context window can Yi 1.5 9B Chat use on Gaudi 3 128GB?

On Gaudi 3 128GB, Yi 1.5 9B Chat can safely use up to 1.7M tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

What should I upgrade first if Yi 1.5 9B Chat feels slow on Gaudi 3 128GB?

See all results for Gaudi 3 128GB See all hardware for Yi 1.5 9B Chat

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