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Llama 3.2 1B Instruct on NVIDIA GeForce RTX 5090

NVIDIA GeForce RTX 5090 runs Llama 3.2 1B Instruct excellently at 300 tok/s at Q8_0. This is a strong pairing.

Model Size

1.24B

Device VRAM

32 GB

Bandwidth

1792 GB/s

Quantizations Tested

1

Performance by Quantization

Each row shows Llama 3.2 1B Instruct performance at a different quality level on NVIDIA GeForce RTX 5090.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
Q8_0300 tok/s12ms✓ YesExcellentestimated

Notes

Q8_0

1792 GB/s. Maximum possible 1B inference speed.

About Llama 3.2 1B Instruct

Llama 3.2 1B Instruct (1.24B) is a chat, coding model. The smallest Llama model. Runs on integrated GPUs and even CPUs. Useful for basic classification, simple Q&A, and as a draft model for speculative decoding. Limited reasoning capability.

View all Llama 3.2 1B Instruct 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