1. Taste: Martell Akagi VSOP has a full-bodied taste, with a hint of grapefruit, pineapple and nuts, but it is more round and easy to eat in its heyday.

2. Price: Martell Akagi VSOP is a high-end cognac with a relatively high price, while the peak price is more close to the people, which is suitable for preparing cocktails and daily meals.

3. Use: Martell Akagi VSOP is usually used for individual tasting, and as a benchmark reference in the cognac world, Ding Sheng is more suitable for preparing cocktails and daily meals.

To sum up, although they are all cognac, their tastes, prices and uses are different.