Apple M2 Ultra 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR5-6400 vs DDR5-5600)
AMD Ryzen 9 PRO 8945HS 's Advantages
Released 11 months late
Newer PCIe version (4 vs 4.0)
Higher base frequency (4GHz vs 3.5GHz)
Lower TDP (45W vs 60W)