Well, if you differentiate between the two, both the ellipticals have their merits and demerits. If you have a low budget, you can go for Sole 35. Other than this, the flywheel in Sole E35 is 25 lbs and in Sole E95, the flywheel is around 27 lbs. there is also a difference between the weight both these ellipticals can handle. E35 can handle a weight of 375lbs and E95 can handle a weight of 400lbs.