Intel Xeon E3 1290 's Advantages
Higher base frequency (3.6GHz vs 3.4GHz)
Xeon E 2226GE 's Advantages
Released 8 years and 1 months late
Higher specification of memory (DDR4-2666 vs DDR3)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (14nm vs 32nm)
Lower TDP (80W vs 95W)