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2025 comparison
Updated Dec 5, 2025Content refreshed automatically when specs change.

Shark AI Ultra Robot Self-Empty vs Roborock S8 Pro Ultra

In the rapidly evolving world of robotic vacuum cleaners, the Shark AI Ultra Robot Self-Empty and the Roborock S8 Pro Ultra stand out as two exceptional options for US consumers. The Shark AI Ultra is particularly appealing to pet owners with its self-cleaning brushroll and bagless self-empty base, making it an economical choice with a high suction power and a focus on practicality. Meanwhile, the Roborock S8 Pro Ultra positions itself as a luxury option with its unrivaled suction power of 6000 Pa, advanced LiDAR and 3D obstacle navigation, and comprehensive cleaning capabilities, including a sophisticated mop function. For consumers prioritizing budget and minimal ongoing costs, the Shark AI Ultra offers a compelling package with its high suction power and cost-effective design. Conversely, the Roborock S8 Pro Ultra targets those who seek the utmost in automation and cleaning efficiency, with features like VibraRise 2.0 and a long battery life of 180 minutes. Both models cater to different segments of the market, with Shark focusing on value and ease of use, and Roborock emphasizing advanced technology and premium performance.

Ratings: 4.4★ vs 4.7★

Shark AI Ultra Robot Self-Empty

4.4

Roborock S8 Pro Ultra

4.7

Comparison: Shark AI Ultra Robot Self-Empty vs Roborock S8 Pro Ultra

Shark AI Ultra Robot Self-Empty

Shark AI Ultra Robot Self-Empty

4.4
Roborock S8 Pro Ultra

Roborock S8 Pro Ultra

4.7
Shark AI Ultra Robot Self-Empty

Shark AI Ultra Robot Self-Empty

Rating:
4.4
Suction Power:High
Navigation:Matrix Clean (LiDAR)
Self-Empty Base:Yes (Bagless)
Mop Function:No
Battery Life:120 minutes
Pet Features:Self-Cleaning Brushroll

✓ Pros:

  • No monthly cost for bags (Bagless base)
  • Matrix Clean mode scrubs carpets effectively
  • Great at resisting hair tangles

✗ Cons:

  • Base filter requires monthly washing
  • App is not as feature-rich as Roborock's
Roborock S8 Pro Ultra

Roborock S8 Pro Ultra

Rating:
4.7
Suction Power:6000 Pa
Navigation:LiDAR + 3D Obstacle Avoidance
Self-Empty Base:Yes (Full Automation)
Mop Function:VibraRise 2.0 (Sonic)
Battery Life:180 minutes
Pet Features:Reactive 3D AI

✓ Pros:

  • Zero maintenance required for weeks
  • Brush and Mop lift up automatically
  • Top-tier navigation never gets stuck

✗ Cons:

  • Extremely expensive
  • Dock design is not very stylish

Which one is better?

The Roborock S8 Pro Ultra wins overall due to its superior suction power (6000 Pa vs High) and extended battery life (180 minutes vs 120 minutes). However, the Shark AI Ultra Robot Self-Empty is a strong contender for those prioritizing cost-effectiveness and minimal maintenance.

Who should buy each?

Choose Shark AI Ultra Robot Self-Empty if: - You prefer a bagless self-empty base to avoid ongoing costs. - You want a cost-effective solution ideal for pet hair with a self-cleaning brushroll. - You're looking for a practical option with effective carpet cleaning capabilities. Choose Roborock S8 Pro Ultra if: - You desire the highest suction power and advanced navigation technology. - You want a vacuum with minimal maintenance and automatic brush and mop lifting. - You're seeking extensive cleaning features, including an effective mop function. They're equally matched on: - Both offer self-emptying capabilities, albeit with different approaches to design and functionality.

Conclusion

There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.

FAQs

+ Which has better value?

Shark AI Ultra Robot Self-Empty excels if you value no monthly cost for bags (bagless base). Roborock S8 Pro Ultra is better if you prioritize zero maintenance required for weeks. Pick based on your budget and daily use.

+ Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+ Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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