AMD Ryzen 9 3900XT 's Advantages
Higher specification of memory (DDR4-3200 vs DDR4-2666)
Larger memory bandwidth (47.68GB/s vs 41.6GB/s)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (3.8GHz vs 3.5GHz)
Larger L3 cache size (64MB vs 4MB)
Intel Celeron G5905 's Advantages
Integrated graphics card
Lower TDP (58W vs 105W)