32 GB VRAM · Q4 native Amazon
RTX 5090
Prós
- Runs Phi-3 Medium at Q4 natively
- 32 GB VRAM — adequate headroom
Local Engine Ready
Phi-3 Medium
39 consumer GPUs can run Phi-3 Medium at Q4 natively. Precise VRAM thresholds and benchmarks below.
39 Compatible GPUs
1 with offloading
14B params
128K 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 128K TOKENS
QUANTIZATION 4-BIT GGUF
PROVIDER Microsoft
LICENSE MIT
VRAM REQUIREMENT
8 GB
4GB 8GB 12GB 16GB 24GB+
Hardware Decision
This model requires aEntry GPU (8 GB VRAM)
Compatible GPUs for Phi-3 Medium
Best picks by compatibility, VRAM headroom, and value — prices and availability may change.
24 GB VRAM · Q4 native Amazon
RTX 4090
Prós
- Runs Phi-3 Medium at Q4 natively
- 24 GB VRAM — adequate headroom
128 GB VRAM · Q4 native Amazon
M4 Ultra
Prós
- Runs Phi-3 Medium at Q4 natively
- 128 GB VRAM — adequate headroom
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How to run this model
Check if your GPU can run Phi-3 Medium →
VRAM Calculator — instant compatibility check
RTX 5090
32 GB · Runs Q4 natively · Check availability
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System Requirements
GPU VRAM 8 GB Entry GPU
System RAM 16 GB
DDR4/DDR5
Storage 8 GB Q4 · SSD recommended
CPU Any modern CPU GPU required
VRAM by Quantization
| Quantization | VRAM needed | Disk space | Quality |
|---|---|---|---|
| FP16 (max quality) | 28 GB | 28 GB | Maximum |
| Q8 (high quality) | 14 GB | 14 GB | Near-lossless |
| Q4 (recommended) Best balance | 8 GB | 8 GB | Recommended |
| Q2 (minimum) | 4.5 GB | 4.3 GB | Quality loss |
Model Details
| Developer | Microsoft |
| Parameters | 14B |
| Context window | 128,000 tokens |
| License | MIT |
| Use cases | chat, coding, reasoning, analysis |
| Released | 2024-04 |
Install with Ollama
ollama run phi3:medium Hugging Face
microsoft/Phi-3-medium-128k-instruct Technical Requirements
Can your GPU run Phi-3 Medium?
Phi-3 Medium requires <strong class="text-primary-container">8 GB VRAM</strong> at Q4. 39 consumer GPUs meet this threshold. Below 8 GB or 6 GB you'll hit significant offload latency.
4.5GB Critical min
8GB Optimal Q4
14GB High Quality Q8
28GB Max FP16
Hardware Performance Matrix
39 Q4 native · 1 offload
Recommended GPUs for Phi-3 Medium
Benchmarks reais
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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.
Phi-3 Medium — Compatibility guide
Phi-3 Medium needs intermediate hardware or Q4 quantization to run on consumer GPUs. With 8 GB VRAM you get the best quality. Use the VRAM calculator to see which quantization your GPU supports.
Compare GPUs for Phi-3 Medium
Which GPU is worth it? Real specs and benchmarks side by side.
Compatible Hardware
GPUs that run Phi-3 Medium 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 Phi-3 Medium?
The VRAM Calculator tells you exactly which quantization your hardware can handle.
RTX 5090
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