32 GB VRAM · Q4 native Amazon
RTX 5090
Prós
- Runs Qwen3 4B at Q4 natively
- 32 GB VRAM — adequate headroom
CPU-capable model ready
Qwen3 4B
40 consumer GPUs can run Qwen3 4B at Q4 natively. Precise VRAM thresholds and benchmarks below.
40 Compatible GPUs
4B params
131K context
Top pick
RTX 5090 · 32 GB VRAM runs Q4 natively
Prices and availability may change · affiliate link
Javier Morales AI hardware specialist — 8 years of experience
GitHub: github.com/javier-morales-ia
llama.cpp 0.2.x · CUDA 12 · ROCm 6 · updated monthly · methodology →
Execution Context
ARCHITECTURE TRANSFORMER
CONTEXT 131K TOKENS
QUANTIZATION 4-BIT GGUF
PROVIDER Alibaba
LICENSE Apache 2.0
Hardware Decision
This model requires aEntry GPU (8 GB VRAM)
Compatible GPUs for Qwen3 4B
Best picks by compatibility, VRAM headroom, and value — prices and availability may change.
24 GB VRAM · Q4 native Amazon
RTX 4090
Prós
- Runs Qwen3 4B at Q4 natively
- 24 GB VRAM — adequate headroom
128 GB VRAM · Q4 native Amazon
M4 Ultra
Prós
- Runs Qwen3 4B at Q4 natively
- 128 GB VRAM — adequate headroom
Alguns links são links de afiliado da Amazon. Podemos receber uma comissão sem custo adicional para si. O cookie da Amazon pode durar até 24 horas após o clique.
How to run this model
CPU vs GPU for Qwen3 4B →
VRAM Calculator — instant compatibility check
RTX 5090
32 GB · Runs Q4 natively · Check availability
*Prices and availability may change. Some links are affiliate links.
System Requirements
GPU VRAM 2.2 GB Entry GPU
System RAM 16 GB
DDR4/DDR5
Storage 2 GB Q4 · SSD recommended
CPU i7 → 15 tok/s Runs without GPU
VRAM by Quantization
| Quantization | VRAM needed | Disk space | Quality |
|---|---|---|---|
| FP16 (max quality) | 8.8 GB | 8 GB | Maximum |
| Q8 (high quality) | 4.4 GB | 4 GB | Near-lossless |
| Q4 (recommended) Best balance | 2.2 GB | 2 GB | Recommended |
| Q2 (minimum) | 1.1 GB | 1 GB | Quality loss |
Model Details
| Developer | Alibaba |
| Parameters | 4B |
| Context window | 131,072 tokens |
| License | Apache 2.0 |
| Use cases | chat, reasoning |
| Released | 2025-04 |
Install with Ollama
ollama run qwen3:4b Hugging Face
Qwen/Qwen3-4B Technical Requirements
Can your GPU run Qwen3 4B?
Qwen3 4B requires <strong class="text-primary-container">2.2 GB VRAM</strong> at Q4. 40 consumer GPUs meet this threshold. Below 8 GB or 0.20000000000000018 GB you'll hit significant offload latency.
1.1GB Critical min
2.2GB Optimal Q4
4.4GB High Quality Q8
8.8GB Max FP16
Hardware Performance Matrix
40 Q4 native · 0 offload
| GPU Unit | VRAM | Compatibility | Est. Speed | Action |
|---|---|---|---|---|
| RTX 5090 | 32GB | Optimal | 189 tok/s | Calculate → |
| RTX 4090 | 24GB | Optimal | 174 tok/s | Calculate → |
| M4 Ultra | 128GB | Optimal | 178 tok/s | Calculate → |
| RTX 5080 | 16GB | Optimal | 172 tok/s | Calculate → |
| M3 Ultra | 192GB | Optimal | 150 tok/s | Calculate → |
| RTX 4080 Super | 16GB | Optimal | 134 tok/s | Calculate → |
| RTX 5070 Ti | 16GB | Optimal | 160 tok/s | Calculate → |
| RTX 3090 | 24GB | Optimal | 164 tok/s | Calculate → |
| M4 Max 48GB | 48GB | Optimal | 102 tok/s | Calculate → |
| RX 7900 XTX | 24GB | Optimal | 170 tok/s | Calculate → |
| M4 Max 36GB | 36GB | Optimal | 102 tok/s | Calculate → |
| RTX 4070 Ti Super | 16GB | Optimal | 121 tok/s | Calculate → |
| RTX 3080 Ti | 12GB | Optimal | 151 tok/s | Calculate → |
| RX 7900 XT | 20GB | Optimal | 142 tok/s | Calculate → |
| RTX 5070 | 12GB | Optimal | 120 tok/s | Calculate → |
| RTX 3080 | 10GB | Optimal | 131 tok/s | Calculate → |
| M4 Pro | 24GB | Optimal | 54 tok/s | Calculate → |
| RX 7800 XT | 16GB | Optimal | 110 tok/s | Calculate → |
| RX 6800 XT | 16GB | Optimal | 89 tok/s | Calculate → |
| RTX 4070 | 12GB | Optimal | 90 tok/s | Calculate → |
| RTX 4060 Ti 16GB | 16GB | Optimal | 54 tok/s | Calculate → |
| RX 7700 XT | 12GB | Optimal | 76 tok/s | Calculate → |
| RTX 3070 Ti | 8GB | Optimal | 107 tok/s | Calculate → |
| RTX 4060 Ti | 8GB | Optimal | 54 tok/s | Calculate → |
| RTX 3070 | 8GB | Optimal | 79 tok/s | Calculate → |
| RX 6700 XT | 12GB | Optimal | 66 tok/s | Calculate → |
| M3 Pro | 18GB | Optimal | 32 tok/s | Calculate → |
| RTX 3060 Ti | 8GB | Optimal | 79 tok/s | Calculate → |
| RTX 2080 Ti | 11GB | Optimal | 79 tok/s | Calculate → |
| RTX 3060 | 12GB | Optimal | 65 tok/s | Calculate → |
| M2 Pro | 16GB | Optimal | 39 tok/s | Calculate → |
| RTX 4060 | 8GB | Optimal | 49 tok/s | Calculate → |
| Arc A770 16GB | 16GB | Optimal | 40 tok/s | Calculate → |
| M1 Pro | 16GB | Optimal | 37 tok/s | Calculate → |
| RX 7600 | 8GB | Optimal | 51 tok/s | Calculate → |
| RX 6600 XT | 8GB | Optimal | 48 tok/s | Calculate → |
| Arc A750 8GB | 8GB | Optimal | 36 tok/s | Calculate → |
| RX 6600 | 8GB | Optimal | 44 tok/s | Calculate → |
| RTX 3050 8GB | 8GB | Optimal | 39 tok/s | Calculate → |
| GTX 1660 Super | 6GB | Optimal | 58 tok/s | Calculate → |
Recommended GPUs for Qwen3 4B
Benchmarks reais
Sem reviews pagas
Escolha editorial
Baseado em dados
Best picks by compatibility, VRAM headroom, and value — prices and availability may change.
RTX 5090
32 GB VRAM
Q4 native
Check availability →
RTX 4090
24 GB VRAM
Q4 native
Check availability →
M4 Ultra
128 GB VRAM
Q4 native
Check availability →
Alguns links são links de afiliado da Amazon. Podemos receber uma comissão sem custo adicional para si. O cookie da Amazon pode durar até 24 horas após o clique.
Qwen3 4B — Compatibility guide
Qwen3 4B can run on CPU without a dedicated GPU — unusual for a 4B model. On an i7-13700K with llama.cpp Q4 it reaches 15 tok/s (comfortable for daily use). With a GPU you get 4–6× more speed — check the VRAM calculator for specifics.
Compare GPUs for Qwen3 4B
Which GPU is worth it? Real specs and benchmarks side by side.
Compatible Hardware
GPUs that run Qwen3 4B at Q4 — sorted by AI performance score.
Benchmarks reais
Sem reviews pagas
Baseado em dados
Alguns links são links de afiliado da Amazon. Podemos receber uma comissão sem custo adicional para si. O cookie da Amazon pode durar até 24 horas após o clique.
More Practical Alternatives
Similar models in the chat category with comparable VRAM footprints.
Not sure which GPU you need for Qwen3 4B?
The VRAM Calculator tells you exactly which quantization your hardware can handle.
RTX 5090
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