According to Pepper Scale, ghost peppers are 107 times hotter than jalapenos. On the Scoville scale

Scoville scale

The Scoville scale is a measurement of the pungency (spiciness or "heat") of chili peppers, as recorded in Scoville Heat Units (SHU), based on the concentration of capsaicinoids, among which capsaicin is the predominant component.

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, ghost peppers rank between 855,000 to 1,041,427.

Are jalapenos hotter than ghost peppers?

In 2007, the ghost pepper ranked as the the world's hottest chili pepper. With a Scoville score of 1,041,427 SHU, it is about 400 times hotter than Tabasco sauce, about 200 times hotter than a jalapeño pepper, and about 6 times hotter than a habanero pepper.

What's the difference between jalapeno and ghost peppers?

The hottest ghost pepper is 416 times hotter than the mildest jalapeno pepper, which averages about 5,000 Scoville Heat Units on the Scoville Scale, and about 208 times hotter than the average jalapeno pepper.