Eufy E20 3-in-1 Discontinued
#5 in Vacuum onlyFull review
For small homes that want one machine as robot, stick and handheld vacuum. It’s getting hard to buy new.
AmazonThe Eufy E20 3-in-1 rates 4.0 among vacuum only robot vacuums; the Roborock S8 MaxV Ultra rates 3.8 among self-cleaning dock ones.
Roborock S8 MaxV Ultra Discontinued
A former flagship now superseded by the Saros 10; only worth buying at a deep clearance price.
AmazonPrices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (vacuum only and self-cleaning dock), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Eufy E20 3-in-1 | Roborock S8 MaxV Ultra |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Cleaning 33% | 64 measured 80.5% of sand from carpet, 97% of pet hair, no hair tangled | 42 measured 82% of sand from carpet, 76% of pet hair, some hair tangled (0.6) |
| Value 28% | 50 no current price (neutral score used) | 50 no current price (neutral score used) |
| Dock 22% | 100 Self-empties the bin | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 17% | 85 LiDAR + 3D light | 100 LiDAR + camera |
| Mopping 10% | Not scored | 46 Vibrating pad, lifts 20 mm |
Independent tests
Eufy E20 3-in-1
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 80.5% | 97% | 0 | 784 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Roborock S8 MaxV Ultra
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 82% | 76% | 0.6 | 889 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Eufy E20 3-in-1 | Roborock S8 MaxV Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 8,000 Pa | 10,000 Pa |
| Main brush | Roller brush with Pro-Detangle Comb | dual rubber rollers |
| Extending side brush | - | Yes |
| Mopping | ||
| Mop | None | Vibrating pad, lifts 20 mm |
| Mop lift | - | 20 mm |
| Leaves mop at dock | - | No |
| Extending mop | - | No |
| Dock | ||
| Dock | Self-empty | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 3 L | - |
| Washes mop | - | Yes |
| Hot-water wash | - | Yes |
| Hot-air drying | - | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | - | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | Dual line lasers | 3D structured light and RGB camera |
| Voice assistants | Alexa, Google Assistant, Siri | Alexa, Google Assistant, Siri |
| Build | ||
| Height | 4.6 in (118 mm) | 4.1 in (103 mm) |
| Retracting LiDAR | No | No |
| Battery | 4,200 mAh | 5,200 mAh |
| Run time | Up to 3 h | - |
| Weight | 5 lb (2.2 kg) | - |
| Warranty | 1 year | 1 year |
| Released | 2025-02 | 2024-04 |