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Whisper Large V3 Turbo on NVIDIA GeForce RTX 4090

NVIDIA GeForce RTX 4090 runs Whisper Large V3 Turbo excellently at FP16. This is a strong pairing.

Model Size

810M

Device VRAM

24 GB

Bandwidth

1008 GB/s

Quantizations Tested

1

Performance by Quantization

Each row shows Whisper Large V3 Turbo performance at a different quality level on NVIDIA GeForce RTX 4090.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
FP1670ms✓ YesExcellentestimated

Notes

FP16

~30x faster than real-time. Practically instant transcription.

About Whisper Large V3 Turbo

Whisper Large V3 Turbo (810M) is a transcription model. Distilled version of Whisper Large V3. 8x faster than the full model with minimal quality loss. The go-to for real-time transcription on local hardware. Runs comfortably on any GPU with 2GB+ VRAM.

View all Whisper Large V3 Turbo hardware options →

About NVIDIA GeForce RTX 4090

NVIDIA GeForce RTX 4090 has 24 GB at 1008 GB/s. Street price: $1,799.

See all models NVIDIA GeForce RTX 4090 can run →

Builds with NVIDIA GeForce RTX 4090

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

Data last updated: 2026-03-15