Intel Core i9 12900T 's Advantages
Released 3 years and 9 months late
Higher specification of memory (4800 vs 2400)
Larger memory bandwidth (76.8GB/s vs 37.5GB/s)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 2MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 54W)
Intel Celeron G4900 's Advantages
Higher base frequency (3.1GHz vs 1.4GHz)