Intel Core i5 6600 's Advantages
Higher base frequency (3.3GHz vs 3.2GHz)
Larger L3 cache size (6MB vs 2MB)
Intel Celeron G5900T 's Advantages
Released 4 years and 8 months late
Higher specification of memory (2666 vs 2133)
Larger memory bandwidth (41.6GB/s vs 34.1GB/s)
Lower TDP (58W vs 65W)