Can Yi 1.5 6B Chat run on Radeon Pro W6800 32GB?

YES — Runs Great

C47Usable

Estimated from fit model

Yi 1.5 6B Chat needs ~8.5 GB VRAM. Radeon Pro W6800 32GB has 32.0 GB. With Q4_K_M quantization, expect ~78 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) — 8.5 GB, 78.3 tok/s, Runs well

8.5 GB required32.0 GB available

27% VRAM used

Fit status

Runs well

Decode

78.3 tok/s

TTFT

2471 ms

Safe context

552K

Memory

8.5 GB / 32.0 GB

Memory breakdown

Weights3.7 GB

KV Cache0.7 GB

Runtime0.9 GB

Headroom3.2 GB

See how fast it feels

See how fast it feelsYi 1.5 6B Chat on Radeon Pro W6800 32GB
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: 78.3 tok/s decode · 2.5s TTFT (warm) · 196 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	78.3 tok/s	1348 ms	552K
Coding	C	Runs well	78.3 tok/s	2471 ms	552K
Agentic Coding	C	Runs well	78.3 tok/s	3595 ms	552K
Reasoning	C	Runs well	78.3 tok/s	2921 ms	552K
RAG	C	Runs well	78.3 tok/s	4493 ms	552K

Quantization options

How Yi 1.5 6B Chat (6B params) fits at each quantization level on Radeon Pro W6800 32GB (32.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	2.3 GB	Low	C43
Q3_K_S	3	2.9 GB	Low	C43
NVFP4	4

Get started

Copy-paste commands to run Yi 1.5 6B Chat on your machine.

Run

lms load hf-maziyarpanahi--yi-1-5-6b-chat-gguf && lms server start

Upgrade options

Hardware that runs Yi 1.5 6B Chat well

MacBook Pro M4 Max 48GBBudget pick

48 GB Unified (+16)546 GB/s (+34)

This setup is broadly balanced for this model.84 tok/s decode

~$2,499 MSRP

MacBook Pro M3 Max 48GBBest value

48 GB Unified (+16)

This setup is broadly balanced for this model.65.6 tok/s decode

~$2,499 MSRP

Frequently asked questions

Can Radeon Pro W6800 32GB run Yi 1.5 6B Chat?

Yes, Radeon Pro W6800 32GB can run Yi 1.5 6B Chat with a C grade (Runs well). Expected decode speed: 78.3 tok/s.

How much VRAM does Yi 1.5 6B Chat need?

Yi 1.5 6B Chat (6B parameters) requires approximately 8.5 GB of memory with Q4_K_M quantization.

What is the best quantization for Yi 1.5 6B Chat?

The recommended quantization for Yi 1.5 6B Chat is Q4_K_M, which balances quality and memory efficiency.

What speed will Yi 1.5 6B Chat run at on Radeon Pro W6800 32GB?

On Radeon Pro W6800 32GB, Yi 1.5 6B Chat achieves approximately 78.3 tokens per second decode speed with a time-to-first-token of 2471ms using Q4_K_M quantization.

Can Radeon Pro W6800 32GB run Yi 1.5 6B Chat for coding?

For coding workloads, Yi 1.5 6B Chat on Radeon Pro W6800 32GB receives a C grade with 78.3 tok/s and 552K context.

What context window can Yi 1.5 6B Chat use on Radeon Pro W6800 32GB?

On Radeon Pro W6800 32GB, Yi 1.5 6B Chat can safely use up to 552K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for Radeon Pro W6800 32GB See all hardware for Yi 1.5 6B Chat

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