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Phi-4 Mini on NVIDIA GeForce RTX 5090

NVIDIA GeForce RTX 5090 runs Phi-4 Mini excellently at 185 tok/s at Q8_0. This is a strong pairing.

Model Size

3.82B

Device VRAM

32 GB

Bandwidth

1792 GB/s

Quantizations Tested

1

Performance by Quantization

Each row shows Phi-4 Mini performance at a different quality level on NVIDIA GeForce RTX 5090.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q8_0185 tok/s22ms✓ YesExcellentestimated

Notes

Q8_0

1792 GB/s. Maximum Phi-4 mini speed.

About Phi-4 Mini

Phi-4 Mini (3.82B) is a chat, coding, ai coding, reasoning model. Microsoft's tiny powerhouse. Punches well above its weight at 3.8B parameters — competitive with many 7B models on reasoning and coding benchmarks. Extremely fast inference. Ideal as a draft model or for resource-constrained setups.

View all Phi-4 Mini hardware options →

About NVIDIA GeForce RTX 5090

NVIDIA GeForce RTX 5090 has 32 GB at 1792 GB/s. Street price: $2,199.

See all models NVIDIA GeForce RTX 5090 can run →

Builds with NVIDIA GeForce RTX 5090

Source: Performance estimates based on model size and device bandwidth (2026-03-15)

Data last updated: 2026-03-15