iRobot Roomba Plus 505 vs Roborock Saros 20 comparison

Updated July 2026

Data from Amazon and official iRobot and Roborock sites.

2026 verdict

Roborock Saros 20 wins the 2026 matchup against iRobot Roomba Plus 505, mainly on battery life and suction power. It builds its lead on battery life and suction power, then backs it up with a stronger showing on its broader overall balance. Pick iRobot Roomba Plus 505 only when price is the deciding factor for your setup. That keeps the verdict firmly in favor of Roborock Saros 20.

iRobot

iRobot Roomba Plus 505

50% OFF

$499.00

$999.99

Buy on Amazon USA

Winner

Roborock

Roborock Saros 20

$1599.99

Buy on Amazon USA

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Feature	iRobot Roomba Plus 505	Roborock Saros 20	Winner
Price	$499.00	$1599.99	iRobot Roomba Plus 505
Battery Life	120 minutes	200 minutes	Roborock Saros 20
Suction Power	7000Pa	36000Pa	Roborock Saros 20
Rating	4.2	4.2	Tie
Warranty	1 year	1 year	Tie
Auto Recharge	YES	YES	Tie
Connectivity	2.4 GHz WiFi, 5 GHz WiFi	2.4 GHz WiFi, 5 GHz WiFi	Tie
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
Navigation Type	Laser (LiDAR)	Laser (LiDAR)	Tie
Obstacle Detection	YES	YES	Tie
Cliff Detection	YES	YES	Tie
Multi-Room Mapping	YES	YES	Tie

iRobot

iRobot Roomba Plus 505

50% OFF

$499.00

$999.99

Buy on Amazon USA

+ Price: $499.00
- Battery Life: 120 minutes vs 200 minutes
- Suction Power: 7000Pa vs 36000Pa

Winner

Roborock

Roborock Saros 20

$1599.99

Buy on Amazon USA

+ Battery Life: 200 minutes
+ Suction Power: 36000Pa
- Price: $1599.99 vs $499.00

Frequently Asked Questions

Which is better overall: iRobot Roomba Plus 505 or Roborock Saros 20?

Roborock Saros 20 has the stronger overall profile in this comparison, especially for battery life and suction power.

What is the biggest difference between iRobot Roomba Plus 505 and Roborock Saros 20?

Price is one of the clearest differences: iRobot Roomba Plus 505 lists $499.00, while Roborock Saros 20 lists $1599.99.

Which one looks better on price?

iRobot Roomba Plus 505 is listed at $499.00, while Roborock Saros 20 is listed at $1599.99. iRobot Roomba Plus 505 (better spec).

Who should buy iRobot Roomba Plus 505?

Choose iRobot Roomba Plus 505 if your priority is price and that matters more than battery life.

Who should buy Roborock Saros 20?

Choose Roborock Saros 20 if your priority is battery life and suction power and that matters more than price.

Full comparison table

Compare all 133 Robot Vacuums side by side

You are looking at two of them. The full table lines up all Robot Vacuums in the catalog with the same specs, so you can filter by what you need and sort by price or rating.