Phi-3 Medium 14B Instruct on NVIDIA GeForce RTX 3080 10GB
NVIDIA GeForce RTX 3080 10GB can run Phi-3 Medium 14B Instruct at 32 tok/s at Q3_K_M, though performance is acceptable. Consider a higher-end GPU for better results.
Model Size
14B
Device VRAM
10 GB
Bandwidth
760 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Phi-3 Medium 14B Instruct performance at a different quality level on NVIDIA GeForce RTX 3080 10GB.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q3_K_M | 32 tok/s | 200ms | ✓ Yes | Acceptable | estimated |
Notes
Q3_K_M
14B at Q3_K_M fits in 10GB. Tight but usable. Bandwidth helps.
About Phi-3 Medium 14B Instruct
Phi-3 Medium 14B Instruct (14B) is a chat, coding, reasoning, multi-purpose model. 14B model with strong reasoning and coding performance. Fits comfortably on 16GB GPUs at Q4 and excels at structured output tasks. MIT license makes it attractive for commercial use.
View all Phi-3 Medium 14B Instruct hardware options →About NVIDIA GeForce RTX 3080 10GB
NVIDIA GeForce RTX 3080 10GB has 10 GB at 760 GB/s. Street price: $399.
See all models NVIDIA GeForce RTX 3080 10GB can run →Source: Performance estimates based on model size and device bandwidth (2026-03-15)
Data last updated: 2026-03-01