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2026 comparison
Updated Jan 26, 2026
|Sources: Amazon, Manufacturer

iRobot Roomba Vac Essential Robot Vacuum vs Shark AI Ultra Robot Self-Empty

The iRobot Roomba Vac Essential Robot Vacuum is the budget option here, perfect for those who want a straightforward cleaning experience without breaking the bank. In real-world use, the Shark AI Ultra's self-empty base can hold debris for up to 60 days, which is a game-changer for busy households. With its LiDAR navigation, it maps your space efficiently, ensuring thorough coverage every time it cleans, making it a better investment for long-term convenience. Key specs: Weight: 93.44 oz vs 104.48 oz and Self-Empty Capacity: 60 days vs none.

Why compare these? The iRobot Roomba Vac Essential Robot Vacuum (entry-level) and Shark AI Ultra Robot Self-Empty (mid-range) represent different approaches to robot vacuums. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.

⚖️ Weight: 93.44 oz vs 104.48 oz🏷️ Self-Empty Capacity: 60 days vs none

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Key Differences at a Glance

AspectiRobot RoombaShark AI
User Rating4★ (51,777 reviews)4.1★ (7,858 reviews)
Top StrengthMethodical row-by-row cleaning with smart navigationBagless Self-Empty Base reduces recurring cost of disposal bags
Main DrawbackNo mopping capabilityNo mopping capability
Market PositionEntryMid-range
iRobot Roomba Vac Essential Robot Vacuum
Navigation

Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs.

Mapping

Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping).

Obstacle Avoidance

Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition).

Suction Pa

Not specified (3 suction power levels)

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Shark AI Ultra Robot Self-Empty

Shark AI Ultra Robot Self-Empty

4.1
(7,858)Amazon
Navigation

Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern.

Mapping

Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones).

Obstacle Avoidance

LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition).

Suction Pa

Not specified (Features UltraClean Mode™ for deep cleaning).

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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Cleaning4 specs
Suction PowerKey
iRobot Roomba Vac Essential Robot Vacuum
Not specified (3 suction power levels)
Shark AI Ultra Robot Self-Empty
Not specified (Features UltraClean Mode™ for deep cleaning).
Dustbin Capacity
iRobot Roomba Vac Essential Robot Vacuum
0.10 gal (approx. 400 mL)
Shark AI Ultra Robot Self-Empty
Robot: approx. 0.08 gal; Base: 60-day capacity (Bagless HEPA bin).
Brush System
iRobot Roomba Vac Essential Robot Vacuum
3-Stage Cleaning System with Multi-Surface V-shaped main brush + Edge-Sweeping brush.
Shark AI Ultra Robot Self-Empty
Self-Cleaning Brushroll (PowerFins) designed to prevent hair wrap + dual spinning side brushes.
Carpet Boost
iRobot Roomba Vac Essential Robot Vacuum
No automatic boost (Manual control: 3 suction levels).
Shark AI Ultra Robot Self-Empty
No automatic suction boost (Manual 'UltraClean Mode' increases coverage and intensity).
Navigation4 specs
NavigationKey
iRobot Roomba Vac Essential Robot Vacuum
Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs.
Shark AI Ultra Robot Self-Empty
Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern.
Obstacle Avoidance
iRobot Roomba Vac Essential Robot Vacuum
Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition).
Shark AI Ultra Robot Self-Empty
LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition).
Mapping
iRobot Roomba Vac Essential Robot Vacuum
Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping).
Shark AI Ultra Robot Self-Empty
Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones).
Multi-Floor
iRobot Roomba Vac Essential Robot Vacuum
No (Does not store maps)
Shark AI Ultra Robot Self-Empty
Yes (Supports storage of up to 3 floor maps).
Battery2 specs
RuntimeKey
iRobot Roomba Vac Essential Robot Vacuum
Up to 120 min
Shark AI Ultra Robot Self-Empty
Up to 120 min (in Eco/Standard mode)
Battery
iRobot Roomba Vac Essential Robot Vacuum
Lithium-ion (2600 mAh)
Shark AI Ultra Robot Self-Empty
Lithium-ion (Capacity not specified)
Dock2 specs
Auto Empty
iRobot Roomba Vac Essential Robot Vacuum
No
Shark AI Ultra Robot Self-Empty
Yes (Bagless HEPA Self-Empty Base; holds up to 60 days).
Dock Type
iRobot Roomba Vac Essential Robot Vacuum
Charging Dock (Standard Home Base)
Shark AI Ultra Robot Self-Empty
XL HEPA Self-Empty Base (Bagless)
Design2 specs
Noise Level
iRobot Roomba Vac Essential Robot Vacuum
Not specified
Shark AI Ultra Robot Self-Empty
Approx. 70 dB
Height
iRobot Roomba Vac Essential Robot Vacuum
3.15"
Shark AI Ultra Robot Self-Empty
3.5"
Smart1 specs
App Features
iRobot Roomba Vac Essential Robot Vacuum
iRobot Home App: Clean While I'm Away, suggested schedules, Clean Map® report, spot cleaning.
Shark AI Ultra Robot Self-Empty
SharkClean App: Schedule, Select Rooms, No-Go Zones, UltraClean Mode™, Report, Recharge & Resume.
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Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: iRobot Roomba Vac Essential Robot Vacuum vs Shark AI Ultra Robot Self-Empty

iRobot Roomba Vac Essential Robot Vacuum

iRobot Roomba Vac Essential Robot Vacuum

4(51,777)Amazon
Shark AI Ultra Robot Self-Empty

Shark AI Ultra Robot Self-Empty

4.1(7,858)Amazon
iRobot Roomba Vac Essential Robot Vacuum

iRobot Roomba Vac Essential Robot Vacuum

4(51,777)Amazon
Navigation

Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs.

Mapping

Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping).

Obstacle Avoidance

Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition).

Suction Pa

Not specified (3 suction power levels)

Brush System

3-Stage Cleaning System with Multi-Surface V-shaped main brush + Edge-Sweeping brush.

Mopping

No

Pros

  • Methodical row-by-row cleaning with smart navigation
  • Up to 120 minutes runtime with auto-docking recharge

Cons

  • No mopping capability
  • No auto-empty dock (standard charging dock only)
Shark AI Ultra Robot Self-Empty

Shark AI Ultra Robot Self-Empty

4.1(7,858)Amazon
Navigation

Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern.

Mapping

Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones).

Obstacle Avoidance

LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition).

Suction Pa

Not specified (Features UltraClean Mode™ for deep cleaning).

Brush System

Self-Cleaning Brushroll (PowerFins) designed to prevent hair wrap + dual spinning side brushes.

Mopping

No

Pros

  • Bagless Self-Empty Base reduces recurring cost of disposal bags
  • True HEPA filtration in the dock is excellent for allergy sufferers

Cons

  • No mopping capability
  • Lacks advanced AI camera for avoiding small objects (cables, pet waste)

Which one is better?

The Shark AI Ultra Robot Self-Empty is the better buy for most people - its impressive self-empty feature lasts 60 days, making cleanup a breeze. That said, grab the iRobot Roomba Vac Essential Robot Vacuum if you want to save money and prefer a simpler design without the frills.

Who should buy each?

Choose the iRobot Roomba Vac Essential Robot Vacuum if: you want a budget-friendly option without fancy features, you prefer straightforward operation, or you have a small living space. (93.44 oz weight)
Choose the Shark AI Ultra Robot Self-Empty if: you want a hassle-free cleaning experience with self-emptying capability, you have allergies and benefit from HEPA filtration, or you need efficient navigation for larger homes. (104.48 oz weight)

B

Quality Seekers

Higher user rating (4.1★ vs 4★) indicates better overall satisfaction

→ Choose Shark AI

A

Safe Choice Buyers

More widely tested with 51,777 reviews vs 7,858

→ Choose iRobot Roomba

B

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Shark AI

A

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose iRobot Roomba

Conclusion

We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.

Bottom line: The Shark AI Ultra Robot Self-Empty leads with a 4.1★ rating versus 4★. That said, iRobot Roomba Vac Essential Robot Vacuum could still be the right pick depending on your specific priorities.

Frequently Asked Questions

+Which is better: iRobot Roomba Vac Essential Robot Vacuum or Shark AI Ultra Robot Self-Empty?

iRobot Roomba Vac Essential Robot Vacuum is the better choice if you prioritize methodical row-by-row cleaning with smart navigation. Shark AI Ultra Robot Self-Empty wins if you value bagless self-empty base reduces recurring cost of disposal bags. Both are rated highly (4★ vs 4.1★), so consider your specific needs and budget.

+What are the main differences between iRobot Roomba Vac Essential Robot Vacuum and Shark AI Ultra Robot Self-Empty?

Key differences: iRobot Roomba Vac Essential Robot Vacuum offers methodical row-by-row cleaning with smart navigation, while Shark AI Ultra Robot Self-Empty stands out with bagless self-empty base reduces recurring cost of disposal bags. Consider that iRobot Roomba Vac Essential Robot Vacuum no mopping capability. Meanwhile, Shark AI Ultra Robot Self-Empty no mopping capability. Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 26, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

Affiliate disclosure

PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.