eufy Robot Vacuum Omni S2 vs Roborock Saros Z70
eufy Robot Vacuum Omni S2 (#1, best overall) vs Roborock Saros Z70 (#2, best premium): in our Robot Vacuum + Mop Combos scoring the eufy Robot Vacuum Omni S2 totals 8.9/10 and the Roborock Saros Z70 8.6/10. At $1,599 versus $1,299, the Roborock Saros Z70 costs $300 less.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Mar 6, 2026 and are subject to change; the merchant's price at purchase applies.
TopsFive comparison scores
Side by side
| eufy Robot Vacuum Omni S2 | Roborock Saros Z70 | |
|---|---|---|
| Price | $1599 | $1299 |
| Suction | 30,000 Pa | 22,000 Pa |
| Battery | 150 min | 6,400 mAh / 180 min |
| Navigation | CleanMind AI + 3D ToF | StarSight 3.0 (3D + AI) |
| Dock | 12-in-1 all-in-one station | Multifunction (capacities unspecified) |
| Mop | HydroJet 2.0 roller, 1.1" lift | — |
How they differ in real use
Built from our robot vacuum mop combos scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the eufy Robot Vacuum Omni S2 and the Roborock Saros Z70 made our Top 5 Robot Vacuum + Mop Combos, at #1 (best overall) and #2 (best premium). Highest suction at 30,000 Pa (AeroTurbo 2.0) with CleanMind AI + 3D ToF navigation and multi-floor 3D mapping. HydroJet 2.0 roller mop with electrolyzed water. 12-in-1 all-in-one station. Elite 22,000 Pa suction with StarSight 3.0 3D sensing and AI obstacle avoidance. 6,400 mAh battery (180 min). Multifunction dock—but $2,599 MSRP is extremely high.
We score robot vacuum + mop combos on Suction Power (30%), Navigation (25%), Battery Life (20%), Self-Empty (15%) and Value (10%). On that basis the eufy Robot Vacuum Omni S2 totals 8.9 out of 10 and the Roborock Saros Z70 8.6. The widest gap is Suction Power, where the eufy Robot Vacuum Omni S2 scores 10 against 9 for the Roborock Saros Z70 — pa rating. Battery Life also separates them: 8.5 for the Roborock Saros Z70 versus 7.5 for the eufy Robot Vacuum Omni S2. The Roborock Saros Z70 claws back ground on Self-Empty.
On paper, the specifications that actually differ: Suction — 30,000 Pa on the eufy Robot Vacuum Omni S2 versus 22,000 Pa on the Roborock Saros Z70; Battery — 150 min on the eufy Robot Vacuum Omni S2 versus 6,400 mAh / 180 min on the Roborock Saros Z70; Navigation — CleanMind AI + 3D ToF on the eufy Robot Vacuum Omni S2 versus StarSight 3.0 (3D + AI) on the Roborock Saros Z70; Dock — 12-in-1 all-in-one station on the eufy Robot Vacuum Omni S2 versus Multifunction (capacities unspecified) on the Roborock Saros Z70.
Pricing as of March 6, 2026: $1,599 for the eufy Robot Vacuum Omni S2 and $1,299 for the Roborock Saros Z70, a $300 difference in the Roborock Saros Z70's favor. Owners praise the eufy Robot Vacuum Omni S2 for 30,000 Pa highest suction in class and cleanMind AI + 3D ToF navigation; the most common complaint is $1,599.99 premium MSRP. Owners praise the Roborock Saros Z70 for 22,000 Pa elite suction and starSight 3.0 3D sensing + AI avoidance; the most common complaint is $2,599 extremely high MSRP.
eufy Robot Vacuum Omni S2
- 30,000 Pa highest suction in class
- CleanMind AI + 3D ToF navigation
- HydroJet 2.0 self-cleaning roller mop
- 12-in-1 all-in-one station
- $1,599.99 premium MSRP
- Battery capacity unspecified
- 150-min runtime not class-leading
Roborock Saros Z70
- 22,000 Pa elite suction
- StarSight 3.0 3D sensing + AI avoidance
- 6,400 mAh / 180-min battery
- Multifunction dock
- $2,599 extremely high MSRP
- Dock capacities unspecified
- Premium pricing hard to justify
Which should you buy?
The eufy Robot Vacuum Omni S2 is the better fit for maximum suction priority and advanced mopping needs — it is the higher-scoring pick here, chiefly for Suction Power and Value. The Roborock Saros Z70 is the better fit for flagship performance seekers and advanced obstacle avoidance, and the stronger choice if Battery Life and Self-Empty matter more to you than the overall score. If the $300 saving matters more than Suction Power, the Roborock Saros Z70 is the better value. The eufy Robot Vacuum Omni S2 is a poor fit for budget buyers; the Roborock Saros Z70 is a poor fit for budget buyers.
Choose the eufy Robot Vacuum Omni S2 if
- Maximum suction priority
- Advanced mopping needs
- Multi-floor homes
Skip it if
- Budget buyers
- Those needing class-leading runtime
Choose the Roborock Saros Z70 if
- Flagship performance seekers
- Advanced obstacle avoidance
- Multi-level homes
Skip it if
- Budget buyers
- Value-conscious shoppers
Common questions
Is the eufy Robot Vacuum Omni S2 better than the Roborock Saros Z70?
In our Robot Vacuum + Mop Combos ranking the eufy Robot Vacuum Omni S2 scores higher overall, 8.9 to 8.6, with the biggest advantage in Suction Power. The Roborock Saros Z70 is stronger on Battery Life and Self-Empty, so it is the better pick if those matter most to you.
How much more does the eufy Robot Vacuum Omni S2 cost than the Roborock Saros Z70?
$300 more as of March 6, 2026: $1,599 for the eufy Robot Vacuum Omni S2 against $1,299 for the Roborock Saros Z70. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Suction Power — 10 versus 9 in our scoring.
What is the main difference between the eufy Robot Vacuum Omni S2 and the Roborock Saros Z70?
The headline spec difference is Suction: 30,000 Pa on the eufy Robot Vacuum Omni S2 versus 22,000 Pa on the Roborock Saros Z70. In use, the gap that matters most is Suction Power (10 vs 9 in our scoring): pa rating.