Intel Core i9 9940X 's Advantages
Larger memory bandwidth (85GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 3.2GHz)
Larger L3 cache size (20MB vs 2MB)
Intel Celeron G5900T 's Advantages
Released 1 years and 7 months late
Integrated graphics card
Lower TDP (58W vs 165W)