AMD Ryzen 7 PRO 8840U 's Advantages
Released 3 years and 7 months late
Newer PCIe version (4 vs 3.0)
Higher base frequency (3.3GHz vs 1.8GHz)
Larger L3 cache size (16MB vs 4MB)
Intel Celeron 6305 's Advantages
Integrated graphics card
Higher specification of memory (LPDDR4x-3733 vs DDR5-5600)
Lower TDP (15W vs 28W)