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TTS Bench — Speed — 2026-05-25_0505

Rig: windows-5090 — AMD Ryzen 9 9950X3D 16-Core Processor (16C) · NVIDIA GeForce RTX 5090 32GB · 126 GB RAM · Windows 11

Label: patch · default voice · magpie

TTFA = time to first audio (ms; lower is better). RTFx = realtime speed (× realtime; higher is better; e.g. 10× means 10 sec of audio generated per 1 sec of compute). Cold = first run after process start; warm = subsequent runs.

Speed winners

Fastest predefined-voice: Magpie-TTS (cuda) — 1.93× warm RTFx, 4.48s warm TTFA

Fastest cloning-capable: no data

Model	Device	TTFA cold	TTFA warm	RTFx cold	RTFx warm	Peak RAM	Peak VRAM	Size	Released
Magpie-TTS	cuda	5.48s	4.48s	1.53×	1.93×	3.54 GB	5.60 GB	357M	Dec 2025
Magpie-TTS	cpu	37.17s	33.72s	0.29×	0.30×	6.10 GB	—	357M	Dec 2025