Can Qwen2.5 1.5B Instruct run on Quadro RTX 8000 48GB?

YES — Runs Great

C41Usable
Estimated from fit model

Qwen2.5 1.5B Instruct needs ~7.1 GB VRAM. Quadro RTX 8000 48GB has 48.0 GB. With Q4_K_M quantization, expect ~21 tok/s.

Runtime: OllamaCapacity: RoomyBandwidth: MediumStack: BasicBottleneck: Balanced
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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) 7.1 GB, 21.0 tok/s, Runs well
7.1 GB required48.0 GB available
15% VRAM used

Fit status

Runs well

Decode

21.0 tok/s

TTFT

9219 ms

Safe context

3.7M

Memory

7.1 GB / 48.0 GB

Memory breakdown

Weights0.9 GB
KV Cache0.2 GB
Runtime1.2 GB
Headroom4.8 GB

See how fast it feels

See how fast it feelsQwen2.5 1.5B Instruct on Quadro RTX 8000 48GB
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: 21.0 tok/s decode · 9.2s TTFT (warm) · 53 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

Older PCIe generation

PCIe 3.0 is workable, but it compounds the penalty when you offload heavily or try to scale across multiple cards.

Best improvement path

Performance by workload

WorkloadGradeFitDecodeTTFTContext
ChatCRuns well21.0 tok/s5029 ms3.3M
CodingCRuns well21.0 tok/s9219 ms3.7M
Agentic CodingCRuns well21.0 tok/s13410 ms3.7M
ReasoningCRuns well21.0 tok/s10895 ms3.7M
RAGCRuns well21.0 tok/s16762 ms3.7M

Quantization options

How Qwen2.5 1.5B Instruct (1.5B params) fits at each quantization level on Quadro RTX 8000 48GB (48.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
0.6 GB
LowC42
Q3_K_S
3
0.7 GB
LowC42
NVFP4
4
0.8 GB
MediumC42
Q4_K_M
4
0.9 GB
MediumC42
Q5_K_M
5
1.1 GB
HighC42
Q6_K
6
1.2 GB
HighC42
Q8_0
8
1.6 GB
Very HighC42
F16Best for your GPU
16
3.1 GB
MaximumC42

Get started

Copy-paste commands to run Qwen2.5 1.5B Instruct on your machine.

Run

lms load hf-qwen--qwen2-5-1-5b-instruct-gguf && lms server start

Upgrade-Optionen

Hardware, die Qwen2.5 1.5B Instruct gut ausführt

Frequently asked questions

Can Quadro RTX 8000 48GB run Qwen2.5 1.5B Instruct?

Yes, Quadro RTX 8000 48GB can run Qwen2.5 1.5B Instruct with a C grade (Runs well). Expected decode speed: 21.0 tok/s.

How much VRAM does Qwen2.5 1.5B Instruct need?

Qwen2.5 1.5B Instruct (1.5B parameters) requires approximately 7.1 GB of memory with Q4_K_M quantization.

What is the best quantization for Qwen2.5 1.5B Instruct?

The recommended quantization for Qwen2.5 1.5B Instruct is Q4_K_M, which balances quality and memory efficiency.

What speed will Qwen2.5 1.5B Instruct run at on Quadro RTX 8000 48GB?

On Quadro RTX 8000 48GB, Qwen2.5 1.5B Instruct achieves approximately 21.0 tokens per second decode speed with a time-to-first-token of 9219ms using Q4_K_M quantization.

Can Quadro RTX 8000 48GB run Qwen2.5 1.5B Instruct for coding?

For coding workloads, Qwen2.5 1.5B Instruct on Quadro RTX 8000 48GB receives a C grade with 21.0 tok/s and 3.7M context.

What context window can Qwen2.5 1.5B Instruct use on Quadro RTX 8000 48GB?

On Quadro RTX 8000 48GB, Qwen2.5 1.5B Instruct can safely use up to 3.7M tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

See all results for Quadro RTX 8000 48GBSee all hardware for Qwen2.5 1.5B Instruct
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