Core i5-8279U vs Core i7-5820K comparison
In our benchmarks, the Core i5-8279U beats the Core i7-5820K in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-5820K 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 i5-8279U that has 4 cores. It also has more threads than the Core i5-8279U. Our comparison shows that the Core i7-5820K has a slightly higher clock speed compared to the Core i5-8279U. Despite this, the Core i5-8279U has a slightly higher turbo speed. A Core i5-8279U 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.
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 i5-8279U has more threads than cores. Each physical core is split into multiple threads.