The aging 15-inch Vostro 15 5000 series gets a much-needed injection of stronger hardware, more versatile ports, and a more modern narrow bezel chassis design. Most notably, both the 14-inch and 15-inch models will drop the GeForce 940MX and Radeon 530 GPUs in favor of the GeForce MX130. Expect a launch price of $580 USD before the end of the year.
https://www.notebookcheck.net/The-Dell-Vostro-5000-series-will-be-getting-the-narrow-bezel-treatment-this-November.326256.0.html
The MX130 is just a 940MX with a few extra MHz, they're just cutting the VRAM to a more realistic amount