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Phi-3 Mini 3.8B Instruct on NVIDIA GeForce RTX 3080 10GB

NVIDIA GeForce RTX 3080 10GB runs Phi-3 Mini 3.8B Instruct excellently at 130 tok/s at Q8_0. This is a strong pairing.

Model Size

3.82B

Device VRAM

10 GB

Bandwidth

760 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 3080 10GB.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q8_0130 tok/s60ms✓ YesExcellentestimated

Notes

Q8_0

Very fast at 760 GB/s. Full quality with headroom.

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 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