Roborock Qrevo Edge vs. Roborock S8 Pro Ultra : 2025 Best Robot Vacuums Comparison

  Among Top 20 Best Robot Vacuums in 2025 - Updated Weekly concluded by Vacuum Wars , Roborock continues to lead the robotic vacuum industry with innovative designs and advanced cleaning technologies. Two of its latest models, the Roborock Qrevo Edge and the Roborock S8 Pro Ultra, offer powerful cleaning performance with distinct features. This article compares their dimensions, innovations, and key advantages, helping you decide which model suits your needs.

1. Specifications and Dimensions

Roborock Qrevo Edge

• Dimensions: 13.85"L x 19.17"W x 20.5"H

• Weight: 11.56 kilograms

• Dustbin Capacity: 400 mL

• Water Tank Capacity: 3L (base station)

• Battery: 5200 mAh (~180 mins runtime)

Data comes from amazon store

Roborock S8 Pro Ultra

• Dimensions: 21.22"L x 20.31"W x 19.06"H 

• Weight: 31.1 Pounds

• Dustbin Capacity: 350 mL

• Water Tank Capacity: 4.5L (base station)

• Battery: 5200 mAh (~180 mins runtime)

Note: Both models share similar dimensions, but the S8 Pro Ultra has a slightly larger water tank, while the Qrevo Edge offers a bigger dustbin.

Data comes from amazon store

2. Key Innovations

Roborock Qrevo Edge Innovations

• FlexiArm Side Brush: Extendable side brush for better edge cleaning.

• Dual Rotating Mops: Spinning mop pads with adjustable pressure.

• Auto Mop Lifting: Automatically retracts mops on carpets.

• AI-Powered Obstacle Avoidance: Uses 3D structured light and cameras.

• Self-Refilling & Self-Cleaning Base: Automatically refills water and cleans mops.

Roborock S8 Pro Ultra Innovations

• Sonic VibraRise 2.0 Mopping: Vibrating mop for deep scrubbing.

• ReactiveTech 3D Obstacle Avoidance: Improved object detection.

• Dual Rubber Rollers: Better hair and debris pickup.

• Auto-Emptying & Auto-Refilling Base: Larger water tank for extended mopping.

• Voice Control & Smart Mapping: Works with Alexa and Google Assistant.

3. Advantages of Each Model

Why Choose the Roborock Qrevo Edge?

✔ Superior Edge Cleaning (FlexiArm Side Brush)
✔ Better Mopping Performance (Dual spinning mops)
✔ Larger Dustbin Capacity (400 mL vs. 350 mL)
✔ More Affordable than S8 Pro Ultra

Why Choose the Roborock S8 Pro Ultra?

✔ Deep Scrubbing Mopping (Sonic VibraRise 2.0)
✔ Better Carpet Cleaning (Stronger suction & rubber brushes)
✔ Advanced Obstacle Avoidance (ReactiveTech 3D)
✔ Larger Water Tank (4.5L vs. 3L)

4. Comparison: Qrevo Edge vs. S8 Pro Ultra

Which One Should You Buy?

• For Mopping & Edge Cleaning: Qrevo Edge (better spinning mops & edge coverage)

• For Carpets & Deep Cleaning: S8 Pro Ultra (stronger suction &   VibraRise mopping)

 Conclusion

Both the Roborock Qrevo Edge and S8 Pro Ultra are high-end robotic vacuums with unique strengths. The Qrevo Edge excels in mopping and edge cleaning, while the S8 Pro Ultra offers deeper carpet cleaning and obstacle avoidance. Your choice depends on whether you prioritize mopping precision (Qrevo Edge) or all-around deep cleaning (S8 Pro Ultra).

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