The NVIDIA MX250 is the most powerful entry-level NVIDIA GPU. Surprisingly, it has two variants – a 25W version and a 10W iteration that is being used mainly in thin and compact laptops because it consumes less power. You can’t recognize which version of the MX250 is fitted in a particular device – it’s not mentioned on the box and there are no additional stickers on the device that show the correct GP108 variant. The easiest way is to install and check the info from GPU-Z. At the upper left part of its interface, you’ll find the “GPU” id – 1D13 is for the 25W variant and 1D52 applies for the battery-friendly 10W version.
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https://laptopmedia.com/comparisons/nvidia-geforce-mx250-25w-vs-mx250-10w-cooling-seems-to-be-more-essential-than-the-raw-power/