The AMD Ryzen 9 7900 is the objective winner of this comparison, securing victory across six of the fourteen measured specifications. Its most significant advantage over the Intel Core Ultra 5 235 is its L3 cache capacity, which is 167% larger. This substantial lead in L3 cache provides the primary technical edge for the Ryzen 9 7900, positioning it as the superior choice based on the total count of winning specifications.

Users prioritizing L3 cache capacity should select the AMD Ryzen 9 7900 for their system build. Conversely, those who place a higher value on L2 cache performance should opt for the Intel Core Ultra 5 235, as it maintains a 117% advantage in that specific category. Choosing between these two processors depends entirely on whether your workload benefits more from the superior L3 cache of the Ryzen or the increased L2 cache offered by the Ultra 5.