Intel Core i5-8259U vs Intel Core i7-8665U

Core i5-8259U vs Core i7-8665U specs and performance

In our benchmarks, the Core i5-8259U beats the Core i7-8665U in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-8665U in all gaming tests too.

Info from our database shows that they both have the same core count and the same number of threads. These CPUs have different clock speeds. Indeed, the Core i5-8259U has a slightly higher clock speed compared to the Core i7-8665U. Despite this, the Core i7-8665U has a slightly higher turbo speed. The Core i7-8665U outputs less heat than Core i5-8259U thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i5-8259U has more threads than cores. Each physical core is split into multiple threads.