I don't know the exact air watt specifications for the Miele Guard S1 Comfort, as manufacturers don't always publish them in a standardized way. The vacuum cleaner has an electrical power consumption of 890 watts and an 890-watt motor, which ensures first-class suction power. For an accurate assessment of suction performance, Pascal is more meaningful than air watts, as air watts are not standardized. I am not entirely sure if this value is publicly available, as the existing data does not include an air watt number.
Yes, there are differences between the Miele Guard S1 Comfort and the Miele Guard S1. Compared to the standard model, the Miele Guard S1 Comfort offers additional comfort features such as a higher quality telescopic tube and an improved filter. If enhanced ease of use and better air filtration are important to you, the Comfort model is the better choice.