Intel Core i5-10400 vs Intel Core i7-870

Core i5-10400 vs Core i7-870 comparison

In our benchmarks, the Core i5-10400 beats the Core i7-870 in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-870 in all gaming tests too.

With info from our database, we find that the Core i5-10400 has significantly more cores with 6 cores whereas the Core i7-870 has 4 cores. It also has more threads than the Core i7-870. Our comparison shows that the Core i7-870 has a slightly higher clock speed compared to the Core i5-10400. Despite this, the Core i5-10400 has a slightly higher turbo speed. A Core i5-10400 CPU outputs less heat than a Core i7-870 CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i5-10400 has more threads than cores. Each physical core is split into multiple threads.