| Specification | Red Onion | White Onion |
| Shape | Round to oval, slightly flattened | Round to oval, slightly flattened |
| Color | Red to purple outer skin, white inner flesh | White outer skin, white inner flesh |
| Size | 4 to 6 cm in diameter, 100 to 150 grams | 4 to 6 cm in diameter, 100 to 150 grams |
| Texture | Firm, crisp texture | Firm, crisp texture |
| Flavor | Sweet to mildly pungent | Milder and sweeter than red onions |
| Skin Thickness | Thin to medium | Thin |
| Skin Type | Papery and smooth | Papery and smooth |
| Shelf Life | 3 to 6 weeks when stored in a cool, dry place | 3 to 6 weeks when stored in a cool, dry place |
| Moisture Content | Around 89% | Around 88% |
| Nutritional Value | Rich in antioxidants, vitamin C, and fiber | Rich in antioxidants, vitamin C, and fiber |
| Storage Temperature | 0-4°C (32-39°F) | 0-4°C (32-39°F) |