JavaScript class with static methods vs object with function properties

In JavaScript (and TypeScript) is there any difference between using a class vs an object to namespace methods from a performance perspective? And are there any other reasons to prefer one option over the other?

export const UserService = {
  async findMany() {
    // ...
  },
  async findById(id: number) {
    // ...
  }
}

export class UserService {
  static async findMany() {
    // ...
  }
  static async findById(id: number) {
    // ...
  }
}