Here's a breakdown of the key differences between the two images:

*   **Lighting:** The synthetic image has much brighter and more even lighting than the original, which had significant shadows.
*   **Background Details:** The synthetic image shows more clearly defined details in the background - including pictures on the wall and furniture. The original was more blurred and indistinct.
*   **Color Tone:** The synthetic image has a warmer, less muted color tone compared to the cooler, darker tones of the original.
* **Hair**: The hairstyle in the synthetic image looks different. It's neater and more styled than the wavy style in the original.