Phi-4 14B on NVIDIA GeForce RTX 5080
NVIDIA GeForce RTX 5080 runs Phi-4 14B excellently at 52 tok/s at Q4_K_M. This is a strong pairing.
Model Size
14.7B
Device VRAM
16 GB
Bandwidth
960 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Phi-4 14B performance at a different quality level on NVIDIA GeForce RTX 5080.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q4_K_M | 52 tok/s | 140ms | ✓ Yes | Excellent | estimated |
Notes
Q4_K_M
16GB VRAM fits 14B Q4. Good reasoning speed.
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 5080
NVIDIA GeForce RTX 5080 has 16 GB at 960 GB/s. Street price: $1,099.
See all models NVIDIA GeForce RTX 5080 can run →Source: Community benchmarks and estimated performance (2026-03-01)
Data last updated: 2026-03-15