Lenovo's ThinkPad T410s, T410/T510 and W510 notebooks aren't new, but the company has brought them up to date at CES 2010 with Intel's latest dual-core, Core i5 and Core i7 processors.

Lenovo's ThinkPad T410 performs like a champion thanks to the discrete GPU and Core i5 CPU within, but both of those are real energy hogs.

2. Lenovo IdeaPad Slim 5 11th Gen This Lenovo i5 laptop is considered to be one of the laptops with the best performance as it comes with the core i5 Tiger Lake processor and a RAM of 16GB for ...

The fifth system has an 11th Generation Intel Core i5-1135G7, with only 8GB of RAM. Interestingly, a Flex 5i available from Walmart with the Core i7-1255U likewise comes with only 8GB RAM.