Difference:
First, the creation time is different.
1, Gao Shi's Ge Yanxing: The creation time was in the prosperous Tang Dynasty.
2. Cao Pi's two poems: written in Wei and Jin Dynasties.
Second, the poetic style expresses different meanings.
1, Gao Shi's "Ge Yanxing": It mainly exposes that the master is arrogant and underestimates the enemy, and does not cherish the soldiers, which leads to the defeat of the war.
2. Cao Pi's Two Poems of Yan: It is a masterpiece to write about a woman who misses her husband who is a guest in a distant place.
Third, the whole poem has its own characteristics.
1, Gao Shi's Ge Yanxing: The whole poem is magnificent, with vigorous brushwork, tragic atmosphere and profound and implicit theme.
2. Cao Pi's two poems Ge Yanxing: This is the earliest seven-character poem in the history of China literature. Although every sentence has monotonous rhyme, it occupies a very important position in the history of China's poetry development.
Baidu Encyclopedia-Two Songs by Xing
Baidu Encyclopedia-Yan Gexing (Gao Shi Poetry in Tang Dynasty)