Intel Core i5-8250U vs Intel Core i7-1255U

Core i5-8250U vs Core i7-1255U specs and performance

According to the hardwareDB Benchmark tool, the Core i7-1255U is faster than the Core i5-8250U. Furthermore, our gaming benchmark shows that it also outperforms the Core i5-8250U in all gaming tests too.

When comparing core counts for these CPUs, we notice that the Core i7-1255U has significantly more cores with 10 cores compared to the Core i5-8250U that has 4 cores. It also has more threads than the Core i5-8250U. Our comparison shows that the Core i7-1255U has a slightly higher clock speed compared to the Core i5-8250U. Also, the Core i7-1255U has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Core i7-1255U has significantly more L2 cache when compared to the Core i5-8250U. The Core i7-1255U 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 i5-8250U has more threads than cores. Each physical core is split into multiple threads.