Can Falcon H1 7B Instruct run on RX 6900 XT 16GB?

YES — Runs Great

C51Usable

Estimated from fit model

Falcon H1 7B Instruct needs ~7.6 GB VRAM. RX 6900 XT 16GB has 16.0 GB. With Q4_K_M quantization, expect ~68 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) — 7.6 GB, 68.3 tok/s, Runs well

7.6 GB required16.0 GB available

48% VRAM used

Fit status

Runs well

Decode

68.3 tok/s

TTFT

2833 ms

Safe context

180K

Memory

7.6 GB / 16.0 GB

Memory breakdown

Weights4.3 GB

KV Cache0.8 GB

Runtime0.9 GB

Headroom1.6 GB

See how fast it feels

See how fast it feelsFalcon H1 7B Instruct on RX 6900 XT 16GB
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: 68.3 tok/s decode · 2.8s TTFT (warm) · 171 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	68.3 tok/s	1545 ms	180K
Coding	C	Runs well	68.3 tok/s	2833 ms	180K
Agentic Coding	C	Runs well	68.3 tok/s	4120 ms	180K
Reasoning	C	Runs well	68.3 tok/s	3348 ms	180K
RAG	C	Runs well	68.3 tok/s	5150 ms	180K

Quantization options

How Falcon H1 7B Instruct (7B params) fits at each quantization level on RX 6900 XT 16GB (16.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	2.7 GB	Low	C46
Q3_K_S	3	3.4 GB	Low	C47
NVFP4	4

Get started

Copy-paste commands to run Falcon H1 7B Instruct on your machine.

Run

lms load hf-tiiuae--falcon-h1-7b-instruct-gguf && lms server start

Frequently asked questions

Can RX 6900 XT 16GB run Falcon H1 7B Instruct?

Yes, RX 6900 XT 16GB can run Falcon H1 7B Instruct with a C grade (Runs well). Expected decode speed: 68.3 tok/s.

How much VRAM does Falcon H1 7B Instruct need?

Falcon H1 7B Instruct (7B parameters) requires approximately 7.6 GB of memory with Q4_K_M quantization.

What is the best quantization for Falcon H1 7B Instruct?

The recommended quantization for Falcon H1 7B Instruct is Q4_K_M, which balances quality and memory efficiency.

What speed will Falcon H1 7B Instruct run at on RX 6900 XT 16GB?

On RX 6900 XT 16GB, Falcon H1 7B Instruct achieves approximately 68.3 tokens per second decode speed with a time-to-first-token of 2833ms using Q4_K_M quantization.

Can RX 6900 XT 16GB run Falcon H1 7B Instruct for coding?

For coding workloads, Falcon H1 7B Instruct on RX 6900 XT 16GB receives a C grade with 68.3 tok/s and 180K context.

What context window can Falcon H1 7B Instruct use on RX 6900 XT 16GB?

On RX 6900 XT 16GB, Falcon H1 7B Instruct can safely use up to 180K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for RX 6900 XT 16GB See all hardware for Falcon H1 7B Instruct

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