Intel Core i5-8259U vs Intel Core i5-8400T

Core i5-8259U vs Core i5-8400T benchmarks

Our benchmark analysis concludes that the Core i5-8259U performs better than the Core i5-8400T. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8400T in all gaming tests too.

With info from our database, we find that the Core i5-8400T has significantly more cores with 6 cores whereas the Core i5-8259U has 4 cores. Despite this, the Core i5-8259U has more threads than the Core i5-8400T. These CPUs have different clock speeds. Indeed, the Core i5-8259U has a slightly higher clock speed compared to the Core i5-8400T. Also, the Core i5-8259U has a slightly higher turbo speed. A Core i5-8259U CPU outputs less heat than a Core i5-8400T CPU because of its slightly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i5-8400T has significantly more L2 cache when compared to the Core i5-8259U. The Core i5-8400T also has significantly more L3 cache.

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.