Difference between MPU-60X0 and MPU-61X0

What is the difference between the MPU-60X0 devices and the MPU-61X0 devices? I could not find any difference in the Product Specifications. The only hint I have found is this statement on the web page of the device family:

"The MPU-6000/6050 devices are targeted for smartphone, tablet, and wearable sensor applications, while the MPU-6100/6150 devices are targeted at digital TV, set-top-box and game console remote controls."

But that does not specify any difference.