Hardware acceleration works effectively, reducing export time by ~40% compared to CPU-only. The program remains responsive during playback of 4K footage with effects.

Rendering is slower than PowerDirector when using multiple PIP tracks. Some advanced filters cause brief preview stutter. 5. Comparative Analysis | Feature | Movavi Editor 15 Plus | Adobe Premiere Elements 2023 | CyberLink PowerDirector 365 | |--------|----------------------|------------------------------|------------------------------| | Price (one-time) | $59.95 | $99.99 | $99.99 | | Chroma key | Yes | Yes | Yes | | Motion tracking | No | Yes | Yes | | Multi-cam editing | No | Yes | Yes | | 360° VR editing | No | No | Yes | | GPU acceleration | Yes | Yes | Yes | | Learning curve | Low | Low-Medium | Medium | | OS support | Win + Mac | Win + Mac | Win only (Mac limited) |

| Task | Result | |------|--------| | Import 4K 30fps MP4 | 5 seconds | | Apply chroma key to 1-min clip | Real-time preview, no lag | | Export 5-min 1080p H.264 | 2 min 10 sec (GPU accelerated) | | Export 5-min 4K H.265 | 5 min 45 sec | | Stability | No crashes in 10-hour cumulative testing |