https://www.cpubenchmark.net/compare/Intel-Core2-Duo-P8400-vs-AMD-Ryzen-7-5700U/973vs4156 https://www.cpubenchmark.net/compare/Intel-Core2-Duo-P8400-v... My $6

https://www.cpubenchmark.net/compare/Intel-Core2-Duo-P8400-vs-AMD-Ryzen-7-5700U/973vs4156 https://www.cpubenchmark.net/compare/Intel-Core2-Duo-P8400-v... My $600 laptop's cpu performance is about double that of the x200. I'm not sure about transistor number, but the performance increase is huge. I upgraded from a Thinkpad T410 this year, using a T60 until 2019. I can't go back.