MacBook Pro M4 16GBコスパ重視
16 GB Unified (+6)
C
This setup is broadly balanced for this model.21 tok/sデコード
〜$599 MSRP
Can Qwen2.5 1.5B Instruct run on RTX 3080 10GB?
YES — Runs Great
C44Usable
Estimated from fit model
Qwen2.5 1.5B Instruct needs ~3.3 GB VRAM. RTX 3080 10GB has 10.0 GB. With Q4_K_M quantization, expect ~21 tok/s.
Runtime: OllamaCapacity: RoomyBandwidth: MediumStack: BasicBottleneck: 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.
Select quantization to explore
Q4_K_M (Medium quality) — 3.3 GB, 21.0 tok/s, Runs well
3.3 GB required10.0 GB available
33% VRAM used
Fit status
Runs well
Decode
21.0 tok/s
TTFT
9219 ms
Safe context
627K
Memory
3.3 GB / 10.0 GB
Memory breakdown
Weights0.9 GB
KV Cache0.2 GB
Runtime1.2 GB
Headroom1.0 GB
See how fast it feels
See how fast it feelsQwen2.5 1.5B Instruct on RTX 3080 10GB
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.
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 | 21.0 tok/s | 5029 ms | 551K |
| Coding | C | Runs well | 21.0 tok/s | 9219 ms | 627K |
| Agentic Coding | C | Runs well | 21.0 tok/s | 13410 ms | 627K |
| Reasoning | C | Runs well | 21.0 tok/s | 10895 ms | 627K |
| RAG | C | Runs well | 21.0 tok/s | 16762 ms | 627K |
Quantization options
How Qwen2.5 1.5B Instruct (1.5B params) fits at each quantization level on RTX 3080 10GB (10.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 0.6 GB | Low | C48 |
Q3_K_S | 3 | 0.7 GB | Low | C48 |
NVFP4 | 4 | 0.8 GB | Medium | C48 |
Q4_K_M | 4 | 0.9 GB | Medium | C48 |
Q5_K_M | 5 | 1.1 GB | High | C49 |
Q6_K | 6 | 1.2 GB | High | C49 |
Q8_0 | 8 | 1.6 GB | Very High | C49 |
F16Best for your GPU | 16 | 3.1 GB | Maximum | C52 |
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アップグレードオプション
Qwen2.5 1.5B Instructを快適に動かすハードウェア
Frequently asked questions
Can RTX 3080 10GB run Qwen2.5 1.5B Instruct?
Yes, RTX 3080 10GB 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 3.3 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 RTX 3080 10GB?
On RTX 3080 10GB, 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 RTX 3080 10GB run Qwen2.5 1.5B Instruct for coding?
For coding workloads, Qwen2.5 1.5B Instruct on RTX 3080 10GB receives a C grade with 21.0 tok/s and 627K context.
What context window can Qwen2.5 1.5B Instruct use on RTX 3080 10GB?
On RTX 3080 10GB, Qwen2.5 1.5B Instruct can safely use up to 627K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.
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