Intel Core i3-1215U vs Intel Core i5-8265U

The Intel Core i5-8265U (Whiskey Lake U) and the Intel Core i3-1215U (Alder Lake U) are mobile processors designed for use in thin and light laptops.

The Intel Core i5-8265U belongs to an earlier generation and was intended for mainstream users looking for a reliable chip for everyday tasks. The Intel Core i3-1215U represents a newer generation and targets the entry to mid-range segment, focusing on improved performance and efficiency for modern applications.

The Intel Core i5-8265U is manufactured using a 14 nm fabrication process and offers 4 cores, 8 threads, and 6 MB of Level 3 cache. Its integrated Intel UHD Graphics 620 achieves a maximum memory bandwidth of 38 GB/s. The Intel Core i3-1215U is based on a more advanced 10 nm (Intel 7) fabrication process and a hybrid architecture with 2 Performance-cores and 4 Efficient-cores (6 cores, 8 threads in total), as well as 10 MB of Level 3 cache.

The integrated Intel Iris Xe Graphics 64 (Alder Lake) benefits from 83 GB/s memory bandwidth. In performance tests, the Intel Core i3-1215U significantly outperforms the Intel Core i5-8265U in both single-core and multi-core tasks, thanks to its state-of-the-art architecture.

For gaming scenarios, the Intel Core i3-1215U clearly has an advantage, as its Iris Xe Graphics are considerably more powerful than the UHD Graphics 620 and additionally benefit from higher memory bandwidth. Regarding power consumption and thermal design power (TDP), the more efficient 10 nm fabrication process of the Intel Core i3-1215U allows for higher performance with better energy efficiency than the 14 nm Intel Core i5-8265U.

The price-performance ratio of the Intel Core i3-1215U is more advantageous in new devices due to its significant performance increase. The Intel Core i5-8265U is primarily found in older, very budget-friendly systems. In summary, the Intel Core i5-8265U is suitable for basic office and web tasks in budget-conscious systems.

The Intel Core i3-1215U is the superior choice for a modern, responsive user experience with significantly more performance and better graphics capabilities.