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.
As an Amazon Associate I earn from qualifying purchases.
Key Differences at a Glance
| Aspect | iRobot Roomba | Shark AI |
|---|---|---|
| User Rating | 4★ (51,777 reviews) | ✓4.1★ (7,858 reviews) |
| Top Strength | Methodical row-by-row cleaning with smart navigation | Bagless Self-Empty Base reduces recurring cost of disposal bags |
| Main Drawback | No mopping capability | No mopping capability |
| Market Position | Entry | ✓Mid-range |

iRobot Roomba Vac Essential Robot Vacuum
Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs.
Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping).
Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition).
Not specified (3 suction power levels)

Shark AI Ultra Robot Self-Empty
Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern.
Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones).
LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition).
Not specified (Features UltraClean Mode™ for deep cleaning).
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
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

Shark AI Ultra Robot Self-Empty
| Criterion | iRobot Roomba Vac Essential Robot Vacuum | Shark AI Ultra Robot Self-Empty |
|---|---|---|
| Rating | ★4(51,777)Amazon | ★4.1(7,858)Amazon |
Navigation | Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs. | Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern. |
Mapping | Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping). | Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones). |
Obstacle Avoidance | Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition). | LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition). |
Suction Pa | Not specified (3 suction power levels) | Not specified (Features UltraClean Mode™ for deep cleaning). |
Brush System | 3-Stage Cleaning System with Multi-Surface V-shaped main brush + Edge-Sweeping brush. | Self-Cleaning Brushroll (PowerFins) designed to prevent hair wrap + dual spinning side brushes. |
Mopping | No | No |
Mop Lift | N/A (No mopping) | N/A (No mopping) |
Carpet Boost | No automatic boost (Manual control: 3 suction levels). | No automatic suction boost (Manual 'UltraClean Mode' increases coverage and intensity). |
Battery | Lithium-ion (2600 mAh) | Lithium-ion (Capacity not specified) |
Runtime | Up to 120 min | Up to 120 min (in Eco/Standard mode) |
Charging Time | Approx. 4 hours | 6 hours |
Dustbin | 0.10 gal (approx. 400 mL) | Robot: approx. 0.08 gal; Base: 60-day capacity (Bagless HEPA bin). |
Water Tank | N/A (No mopping) | N/A (No mopping) |
Auto Empty | No | Yes (Bagless HEPA Self-Empty Base; holds up to 60 days). |
Dock Type | Charging Dock (Standard Home Base) | XL HEPA Self-Empty Base (Bagless) |
Mop Wash | N/A (No mopping) | N/A (No mopping) |
Mop Dry | N/A (No mopping) | N/A (No mopping) |
Filtration | High-Efficiency Filter | True HEPA filtration (in Base only) captures 99.97% of dust/allergens; Standard filter in robot. |
Noise Level | Not specified | Approx. 70 dB |
App Features | iRobot Home App: Clean While I'm Away, suggested schedules, Clean Map® report, spot cleaning. | SharkClean App: Schedule, Select Rooms, No-Go Zones, UltraClean Mode™, Report, Recharge & Resume. |
Voice Assistants | Alexa, Google Assistant, Siri | Alexa, Google Assistant |
Multi Floor | No (Does not store maps) | Yes (Supports storage of up to 3 floor maps). |
Threshold Climb | 0.625" (5/8 in) | 0.75" (approx. 2 cm) |
Height | 3.15" | 3.5" |
Dimensions | 13" (L) x 13" (W) x 3.15" (H) | 12.9" (L) x 12.6" (W) x 3.5" (H) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |

iRobot Roomba Vac Essential Robot Vacuum
Smart navigation (Gyroscopes/Optical) cleans in neat rows; sensors navigate around furniture and avoid stairs.
Clean Map® report (View-only coverage report in iRobot Home App; no persistent mapping).
Basic sensor-based avoidance for furniture/stairs (no camera/LiDAR AI object recognition).
Not specified (3 suction power levels)
3-Stage Cleaning System with Multi-Surface V-shaped main brush + Edge-Sweeping brush.
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
Matrix Clean Navigation (LIDAR) with 360° vision; cleans in a precision grid (matrix) pattern.
Yes (Precision Home Mapping via SharkClean app; supports room selection and No-Go Zones).
LiDAR-based object detection (avoids walls/furniture, but lacks active camera/AI small object recognition).
Not specified (Features UltraClean Mode™ for deep cleaning).
Self-Cleaning Brushroll (PowerFins) designed to prevent hair wrap + dual spinning side brushes.
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)
Quality Seekers
Higher user rating (4.1★ vs 4★) indicates better overall satisfaction
→ Choose Shark AI
Safe Choice Buyers
More widely tested with 51,777 reviews vs 7,858
→ Choose iRobot Roomba
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Shark AI
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.
