OpenAIOpenAI
Compatibility Report

Whisper Large V3 Turbo on Apple M4 Pro (48GB)

Yes — M4 Pro (48GB) runs Whisper Large V3 Turbo excellently at FP16 — real-time capable. 48 GB VRAM with plenty of headroom.

Model Size

810M

Device VRAM

48 GB

Bandwidth

273 GB/s

Quantization

FP16

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Whisper Large V3 Turbo on Apple M4 Pro (48GB) at FP16. This is the best supported pairing we can stand behind today.

QuantizationSpeedTTFTFits in VRAMRatingConfidence
FP16250ms✓ YesExcellentestimated

Notes

FP16

Same as M4 Pro 24GB. Core ML acceleration for 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 Apple M4 Pro (48GB)

Apple M4 Pro (48GB) has 48 GB at 273 GB/s. Available in MacBook Pro 16-inch, Mac Mini.

See all models Apple M4 Pro (48GB) can run →

Estimate method: MLX performance estimates based on device bandwidth. Reference hardware source: github.com (2026-03-15)

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.