# Roborock Qrevo Edge 2 vs Roborock Saros 20

As of Oct 31, 2026, the Roborock Qrevo Edge 2 costs $1,100 and the Roborock Saros 20 costs $1,600, so the Roborock Qrevo Edge 2 is $500 cheaper. The Roborock Saros 20 has a published review score and ranks #39 in our robot vacuums ranking; the Roborock Qrevo Edge 2 is not scored yet. Pick the Roborock Qrevo Edge 2 for pet homes with low furniture. Pick the Roborock Saros 20 for low furniture and tall thresholds.

Prices checked Oct 31, 2026. HTML version: https://robotsforthat.com/vs/roborock-qrevo-edge-2-vs-roborock-saros-20/

## Side by side

| | Roborock Qrevo Edge 2 | Roborock Saros 20 |
|---|---|---|
| Price | $1,100 | $1,600 |
| 3 year cost | $1,177 | $1,600 |
| Our score | Not scored yet | 5.8/10 |
| Rank in Floors | #75 | #39 |
| Status | on sale | on sale |
| Warranty | 1 year (Roborock US store) | 1 year limited (Roborock US store) |
| Suction | 25,000 Pa (Roborock); Vacuum Wars measured 94% carpet deep clean against a 78% average | 36,000 Pa (brand claim); Vacuum Wars measured 15 CFM airflow |
| Navigation | Retractable LiDAR (RetractSense) with dToF clearance sensor and 100° vision module (Roborock, PCWorld) | StarSight Autonomous System 2.0 with 3D ToF sensors and an RGB camera, no LiDAR turret |
| Obstacle avoidance | Reactive AI with structured light and RGB camera, 280+ object types (Roborock); Vacuum Wars saw 14 of 24 obstacles avoided against a 16 average | Recognizes over 300 obstacle types (brand claim); Vacuum Wars scored 17 of 24 objects avoided |
| Mopping | Dual spinning mops at 200 rpm and 8 N with a swivel module for edges, 12 mm carpet lift (PCWorld, Vacuum Wars); Vacuum Wars combined mopping score 40.8 against a 20.3 average | Yes, dual spinning pads with up to 13 N pressure, FlexiArm extending pad, 20 mm lift on carpet |
| Self empty | Yes, 2.7 L dock bag, up to 65 days (Roborock, PCWorld) | Yes, auto empties into a disposable bag; Roborock says a bag lasts up to 65 days |
| Dock features | Mop wash up to 176°F, 131°F warm air drying, warm water refill; 4 L clean and 3.5 L dirty tanks; no detergent tank (Roborock, PCWorld) | RockDock washes pads with water up to 212°F, dries at 131°F, auto refills water, doses detergent and dries the dust bag |
| Runtime | Up to 295 min in quiet mode, 5,200 mAh (Roborock via PCWorld); Vacuum Wars estimated about 1,208 sq ft per charge | 6,400 mAh battery; BGR cites about 200 min per charge and about 150 min to recharge |
| Dustbin | 240 ml robot bin (Vacuum Wars, PCWorld) | 260 mL onboard bin (Vacuum Wars) |
| Height | 3.14 in (Roborock); PCWorld lists 3.1 in | 3.14 in (79.8 mm) robot height per Roborock |
| Pet hair | Vacuum Wars measured 89.5% pet hair pickup against an 82.2% average, with 0% long hair wrap | Vacuum Wars measured 88% flattened pet hair pickup and 0% hair wrap |
| App | Roborock app with SmartPlan 3.0; Hello Rocky voice assistant; works with Alexa, Siri, Google Home and Matter (Roborock) | Roborock app with Matter, Alexa and Google Home support plus built in voice control |
| Threshold | About 20 mm (0.8 in) per Vacuum Wars and PCWorld; PCWorld saw it fail a threshold just over that | Up to 3.46 in double layer thresholds with AdaptiLift Chassis 3.0 (brand claim); Vacuum Wars cleared a 57 mm single step |
| Noise | PCWorld measured 63 dB in balanced mode | n/a |
| Best for | pet homes with low furniture | low furniture and tall thresholds |
| Skip if | you have thresholds over 0.8 in | mopping is your top priority |

## What reviewers found

### Roborock Qrevo Edge 2

- Vacuum Wars (3.67 Vacuum Wars stars): 94% carpet deep clean, 89.5% pet hair pickup and 0% hair wrap, with a 40.8 combined mopping score. It avoided 14 of 24 obstacles and covered about 1,208 sq ft per charge. [Source](https://vacuumwars.com/roborock-qrevo-edge-2-review/)
- PCWorld: Measured 63 dB in balanced mode. Edge and corner cleaning was good, but it failed a threshold just over 0.8 in and needed several passes for dried stains. [Source](https://www.pcworld.com/article/3217594/roborock-qrevo-edge-2-review.html)

### Roborock Saros 20

- Vacuum Wars (3.81/5): Lab tests found 89% sand removal from carpet, 88% flattened pet hair pickup, 0% hair wrap, 17 of 24 obstacles avoided, a record 57 mm threshold climb and an above average combined mopping score; battery coverage was slightly below average at about 1,038 sq ft per charge. [Source](https://vacuumwars.com/roborock-saros-20-review/)
- CGMagazine (8.5/10): Performed strongly on pet hair, sand and fine dust on carpet and hard floors and fit under low furniture; reviewer flagged middling battery life, a small bin and trouble with loose cables. [Source](https://www.cgmagonline.com/review/hardware/roborock-saros-20-robot-vacuum/)
- Tom's Guide: Picked up 100% of cereal and kitty litter on carpet and 70% of pet hair on carpet, but mopping left floors streaky and patchy and the pads fell off once crossing a cable. [Source](https://www.tomsguide.com/home/home-appliances/roborock-saros-20-review)

## Questions buyers ask

### Which is better, the Roborock Qrevo Edge 2 or the Roborock Saros 20?

The Roborock Saros 20 has a published review score and ranks #39 in our robot vacuums ranking; the Roborock Qrevo Edge 2 is not scored yet. Pick the Roborock Qrevo Edge 2 for pet homes with low furniture. Pick the Roborock Saros 20 for low furniture and tall thresholds.

### Which is cheaper?

The Roborock Qrevo Edge 2 at $1,100, versus $1,600 for the Roborock Saros 20, checked Oct 31, 2026. Over 3 years with running costs: $1,177 vs $1,600.

### What is the difference between the Qrevo Edge 2 and the Saros 20?

Suction: 25,000 Pa (Roborock); Vacuum Wars measured 94% carpet deep clean against a 78% average on the Qrevo Edge 2, 36,000 Pa (brand claim); Vacuum Wars measured 15 CFM airflow on the Saros 20. Navigation: Retractable LiDAR (RetractSense) with dToF clearance sensor and 100° vision module… on the Qrevo Edge 2, StarSight Autonomous System 2.0 with 3D ToF sensors and an RGB camera, no LiDAR turret on the Saros 20. Obstacle avoidance: Reactive AI with structured light and RGB camera, 280+ object types (Roborock); Vacuum… on the Qrevo Edge 2, Recognizes over 300 obstacle types (brand claim); Vacuum Wars scored 17 of 24 objects… on the Saros 20.

Full reviews: [Roborock Qrevo Edge 2](https://robotsforthat.com/robot/roborock-qrevo-edge-2/index.md), [Roborock Saros 20](https://robotsforthat.com/robot/roborock-saros-20/index.md)