Phi-4 14B on NVIDIA GeForce RTX 4070 Ti 12GB
NVIDIA GeForce RTX 4070 Ti 12GB can run Phi-4 14B at 34 tok/s at Q3_K_M, though performance is acceptable. Consider a higher-end GPU for better results.
Model Size
14.7B
Device VRAM
12 GB
Bandwidth
504 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Phi-4 14B performance at a different quality level on NVIDIA GeForce RTX 4070 Ti 12GB.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q3_K_M | 34 tok/s | 175ms | ✓ Yes | Acceptable | estimated |
Notes
Q3_K_M
Q3_K_M fits. Q4 would need ~9.5GB — marginal. Compressed but usable.
About Phi-4 14B
Phi-4 14B (14.7B) is a reasoning, coding, chat model. Microsoft's efficient reasoning and coding model with strong performance per parameter.
View all Phi-4 14B hardware options →About NVIDIA GeForce RTX 4070 Ti 12GB
NVIDIA GeForce RTX 4070 Ti 12GB has 12 GB at 504 GB/s. Street price: $749.
See all models NVIDIA GeForce RTX 4070 Ti 12GB can run →Source: 14.66B model. Q3_K_M fits with headroom (2026-03-15)
Data last updated: 2026-03-15