Intel Core i5 8250U 's Advantages
Released 7 years and 5 months late
Integrated graphics card
Higher specification of memory (DDR4-2400 vs DDR3)
Newer PCIe version (3.0 vs 2)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (15W vs 95W)
Intel Xeon X5670 's Advantages
Higher base frequency (2.933GHz vs 1.6GHz)
Larger L3 cache size (12MB vs 6MB)