Question: what is the difference between peanuts and pistachios?
Answer: Peanuts have 83 calories in each 0.5 ounce, with 63 -- or about 72 percent of the total -- contributed by fat. Pistachios have 81 calories, though only 66 percent are from fat. Both contain a similar amount of saturated fat, at around 0.8 or 0.9 gram per serving.