Intel Core i7-1355U vs Intel Processor U300

The Intel Core i7-1355U and the Intel Processor U300 are mobile processors from Intel, both based on the energy-efficient Raptor Lake U architecture and manufactured using the 10 nm process.

They are designed for thin, light laptops and utilize a hybrid core architecture. The Intel Core i7-1355U features a larger 12 MB Level 3 cache and a higher maximum memory bandwidth of 102 GB/s compared to the Intel Processor U300's 10 MB Level 3 cache and 83 GB/s. In most benchmarks, the Intel Core i7-1355U shows over 10 percent higher single-core and multi-core performance, making it better suited for more demanding applications and multitasking.

However, the Intel Processor U300 achieves over 10 percent higher performance in a specific multi-core benchmark and comparable single-core performance in another test. Overall, the i7-1355U offers superior computing power. For casual gaming, the Intel Core i7-1355U with its Intel Iris Xe Graphics 96 (Alder Lake) is significantly more powerful than the Intel Processor U300 with its Intel UHD Graphics 13th Gen (48 EU).

Both U-series processors are optimized for low power consumption and long battery life. The Intel Core i7-1355U is found in higher-priced laptops and offers higher overall performance. The Intel Processor U300 is the more cost-effective option for basic tasks where maximum energy efficiency is paramount.