iRobot Roomba i6+ vs iRobot Roomba i4+

Roomba i6+ vs i4+

Roomba i6+ vs i4+: High-Performance Vacuum Robots

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Roomba i6+ vs i4+: Suction Power vs More Area Coverage

I tested the Roomba i6+ vs i4+, using suction pressure, coverage area, noise, and carpet cleaning capabilities as defining features. If you are interested in a device with more dust-carrying capacity, better suction, and low noise levels, go for the Roomba i6+ but if you need to clean large spaces, then the Roomba i4+ should be your pick.

Suction and dustbin capacity

The higher the pascal unit, the pascal pressure unit (Pa) number, the greater the robot's suction power. In the iRobot Roomba i4+ vs i6+ comparison, using the two robots shows that the latter has higher suction. Roomba i4+ comes with 1700Pa, which is relatively low versus the 1800Pa of Roomba i6+. There is no difference between Roomba i4+ and i6+ dustbin capacity — 500ml. Though impressive, I find the capacity relatively low compared to other Roomba products like 694 and 692. In this section, i4+ is no match for the i6+. Therefore, my choice is the Roomba i6+ due to its higher pascal pressure unit, which reflects greater suction power.

Using area

The iRobot Roomba i6+ vs i4+ comparison for the area covered on a single charge shows a significant disparity between the two models. The i4+ covers 4000 square feet against the 1000 square feet of the i6+. If you want a machine that will cover more ground or if you live in a bigger apartment, the difference between the robots’ cleaning area will make you pick the Roomba i4+. It wins this category.

Noise level

Putting the i6+ under review against the i4+ Roomba shows the difference in the noise level of the two products. The i4+ is relatively low when you compare it against other Roomba products like the 692. The robot has an impressive 60 dB noise level which is like a casual conversation. The i6+ takes this Roomba i4+ vs i6+ section since its noise level is 56 dB.

Carpet cleaning

If you are looking at carpet cleaning capability to pick the most effective robot between the i6+ vs i4+ Roomba, you are in for a difficult choice. My tests showed that the two robots are excellent carpet cleaners. They get dirt and debris off surfaces, ranging from high-pile carpets to bare floors. And the best part is the devices don’t need to go over the floors more than a couple of times to get the dirt off.

Roomba i6+ Pros & Cons


  • It can hold up to thirty loads of debris before needing to be emptied by the base, which is also a charger.
  • Superb cleaning efficiency; in my tests, it eliminated 99 percent of dirt and dust.
  • Compared to other Roomba products, the i6+ does not have the problem of hair tangling in its brush.


  • Maintaining the robot may be expensive, as replacing damaged parts isn’t cheap.
  • The i6+ usually gets stuck while in use. In some cases, on furniture, and other times, even without obstruction. You may be forced to disrupt your schedule to keep an eye on it.
  • The robot is not as durable as I expected, and customer support could be better.

Roomba i4+ Pros & Cons


  • The robot has a feature that allows it to empty its bin automatically.
  • The robot's performance in difficult-to-navigate areas is impressive.
  • The robot works effectively, setting its operation map and cleaning the house without leaving specks of dirt and crumbs behind.


  • Connecting the robot to the internet is usually a difficult task.
  • Even though the robot automatically empties its bin, you must do it yourself most of the time.
  • From the specs and how iRobots operate, the i4+ is supposed to find its way to the charging area when it's low on battery; the robot does not do this. You may need to look for it when the battery is dead.

iRobot Roomba i6+

iRobot Roomba i6+ review

Mar 22, 2021

The Roomba i6+ is a smart robot vacuum with branded Aero-Force — a 3-step cleaning system. It has quite a modest suction power of 1,800 Pa and a running time of just 75 minutes. At the same tim...

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iRobot Roomba i6+
iRobot Roomba i4+


Roomba i6+
Roomba i4+










Battery Capacity

1800 mAh
2210 mAh

Battery Life

75 Minutes
100 Minutes

Auto Charging

Charging Time

2 hours
1-2 hours

Cleaning features


1800 pa
1700 Pa

Dust bin capacity

500 ml
500 ml

Number of cleaning stages


Using area

1000 square feet
4000 square feet

Noise level

56 db
60 db

Carpet cleaning

Air Filteration


Remote Control


Wi-Fi frequency requires

2.4 GHz
2.4 GHz


Drop Sensor Protection


Protective bumpers






Cleaning modes




Single room




light silver


Virtual Wall

Time scheduling function

Voice control


1 Year
2 Year


Product Size

13.3 x 13.3 x 3.6 inches
13.34 x 13.26 x 3.63 inches

Product Weight

24.9 pounds
12 pounds

Robot vacuums Comparisono comparison rating

  • better
  • worse
  • 9.4
  • 7.1
  • 9.4iRobot Roomba i6+
  • 7.1iRobot Roomba i4+

The iRobot Roomba i6+ is better robot vacuum in this comparison. Check iRobot Roomba i6+ price