Phi-3 Mini 3.8B Instruct on NVIDIA GeForce RTX 4070 Ti 12GB
NVIDIA GeForce RTX 4070 Ti 12GB runs Phi-3 Mini 3.8B Instruct excellently at 78 tok/s at Q8_0. This is a strong pairing.
Model Size
3.82B
Device VRAM
12 GB
Bandwidth
504 GB/s
Quantizations Tested
1
Performance by Quantization
Each row shows Phi-3 Mini 3.8B Instruct performance at a different quality level on NVIDIA GeForce RTX 4070 Ti 12GB.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 78 tok/s | 85ms | ✓ Yes | Excellent | estimated |
Notes
Q8_0
Q8_0 4.5GB fits with 7.5GB headroom. Full quality.
About Phi-3 Mini 3.8B Instruct
Phi-3 Mini 3.8B Instruct (3.82B) is a chat, coding, reasoning model. Punches above its weight — a 3.8B model that rivals many 7B models on reasoning benchmarks. MIT license. Excellent for resource-constrained setups or as a fast secondary model.
View all Phi-3 Mini 3.8B Instruct 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: Performance estimates based on model size and device bandwidth (2026-03-15)
Data last updated: 2026-03-01