First, let's take a look at the macros. Each of these are listed in grams and as usual, normalized to 200 calories for easy comparison, so we're always comparing apples to apples.
| Soybeans | Sweet potato |
| Nutrient | soybeans | sweet potato |
| Protein | 18g | 4g |
| Carbohydrate | 15g | 47g |
| Fiber | 6g | 7g |
| Fat | 9g | 0g |
| Monounsat. Fat | 2g | 0g |
| Polyunsat. Fat | 4g | 0g |
| Saturated Fat | 1g | 0g |
Next, let's take a look at the Vitamin density. These values are shown in units of percent of recommended daily intake. And since we're showing 200 calories worth, this means anything above 10% is good.
| Nutrient | soybeans | sweet potato |
| Choline | 0% | 7% |
| Vitamin A | 2% | 331% |
| Vitamin C | 53% | 45% |
| Vitamin E | 0% | 21% |
| Vitamin K | 0% | 7% |
Soybeans have significantly more Vitamins C than sweet potato. Sweet potato have significantly more Vitamins A, E, K than soybeans. Soybeans are a good source of Riboflavin, Potassium, Magnesium. Soybeans are a great source of Vitamin C, Thiamin, Calcium, Phosphorus, Iron. Sweet potato are a good source of Vitamin E, Pantothenic Acid, Vitamin B6, Iron. Sweet potato are a great source of Vitamin C. Sweet potato are an excellent source of Vitamin A.
And here we see the B-vitamins: B1 (Thiamin), B2 (Riboflavin), B3 (Niacin), B5 (Pantothenic Acid), B6 (Pyridoxine)
| Nutrient | soybeans | sweet potato |
| Vitamin B1 | 59% | 15% |
| Vitamin B2 | 22% | 11% |
| Vitamin B3 | 19% | 12% |
| Vitamin B5 | 4% | 31% |
| Vitamin B6 | 8% | 39% |
| Vitamin B12 | 0% | 0% |
Now, lets look at mineral density. Here we have a lot of important electrolytes and minerals. Once again, units are in percent of RDI, thus for this 200 calorie serving anything above 10% would considered high.
| Nutrient | soybeans | sweet potato |
| Sodium | 1% | 5% |
| Potasium | 24% | 17% |
| Calcium | 54% | 14% |
| Magnesium | 25% | 14% |
| Phosphorus | 46% | 15% |
| Iron | 80% | 32% |
| Manganese | 32% | 30% |
| Selenium | 5% | 1% |
| Copper | 17% | 25% |
| Zinc | 14% | 6% |