Intel Core i5-8259U vs Intel Core i7-5820K

Core i5-8259U vs Core i7-5820K specs and performance

In our benchmarks, the Core i7-5820K beats the Core i5-8259U in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8259U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-5820K has significantly more cores with 6 cores compared to the Core i5-8259U that has 4 cores. It also has more threads than the Core i5-8259U. With our hardware info, we find that the Core i7-5820K has a significantly higher clock speed than the Core i5-8259U. Despite this, the Core i5-8259U has a slightly higher turbo speed. A Core i5-8259U CPU outputs less heat than a Core i7-5820K CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i5-8259U has more threads than cores. Each physical core is split into multiple threads.