AMD Ryzen 7 5800U vs Intel Core Ultra 7 155U

Ryzen 7 5800U vs Core Ultra 7 155U comparison

In our benchmarks, the Ryzen 7 5800U beats the Core Ultra 7 155U in overall performance. Despite this, the Core Ultra 7 155U has the advantage in our gaming benchmark.

In terms of the number of cores of each of these CPUs, the Core Ultra 7 155U has significantly more cores than the Ryzen 7 5800U. Indeed, the Core Ultra 7 155U has 12 cores compared to 8 cores found in the Ryzen 7 5800U. Despite this, the Ryzen 7 5800U has more threads than the Core Ultra 7 155U. With our hardware info, we find that the Core Ultra 7 155U has a slightly higher clock speed than the Ryzen 7 5800U. Also, the Core Ultra 7 155U has a slightly higher turbo speed. The cache sizes of these CPUs are different. Indeed, the Core Ultra 7 155U has significantly more L2 cache than the Ryzen 7 5800U. Despite this, the Ryzen 7 5800U has slightly more L3 cache compared to the Core Ultra 7 155U.

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 Ryzen 7 5800U has more threads than cores. Each physical core is split into multiple threads.