Recently Nvidia announced their new low power mobile GPU, the GeForce MX450. Its predecessor, the MX350 was only released in February 2020, with the MX250 being released in February 2019.

Nvidia hasn’t released that much information about the GPU and a lot of companies have only just started using the GeForce MX350, with many others such as the Huawei Matebook 13 still using the MX250.
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https://mightygadget.co.uk/nvidia-geforce-mx450-vs-mx350-vs-mx250/