OpenAIOpenAI
Compatibility Report

Whisper Large V3 on NVIDIA RTX 4080 Laptop (120-150W)

Yes β€” RTX 4080 Laptop (120-150W) runs Whisper Large V3 excellently at FP16. 12 GB VRAM with plenty of headroom.

Model Size

1.55B

Device VRAM

12 GB

Bandwidth

384 GB/s

Quantization

FP16

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Whisper Large V3 on NVIDIA RTX 4080 Laptop (120-150W) at FP16. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
FP16β€“β€“βœ“ YesExcellentestimated

Notes

FP16

Sustained post-thermal-throttle performance. TDP-capped laptop variant.

About Whisper Large V3

Whisper Large V3 (1.55B) is a transcription model. OpenAI's best open speech-to-text model. Supports 99 languages. Near-human accuracy for English. Low VRAM requirements; runs on any GPU. Useful for builders who need voice-to-code or meeting transcription.

View all Whisper Large V3 hardware options β†’

About NVIDIA RTX 4080 Laptop (120-150W)

NVIDIA RTX 4080 Laptop (120-150W) has 12 GB at 384 GB/s. Street price: $0.

See all models NVIDIA RTX 4080 Laptop (120-150W) can run β†’

Estimate method: Community laptop benchmarks and thermal throttle reports. Reference hardware source: reddit.com (2026-03-14)

Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.