This lab-tested robot vacuum picked up more dirt than any other - and it's on sale
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Close Home Home & Office Kitchen & Household Robot vacuums This lab-tested robot vacuum picked up more dirt than any other - and it's on sale The Ecovacs X8 Pro Omni won the ZDNET Lab Award for best pickup performance in a robot vacuum, and it's currently $67 off for Memorial Day.
Written by
Allison Murray, Senior EditorSenior Editor May 25, 2026 at 11:50 a.m. PT 
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At ZDNET, we're all about putting tech to the test to actually see which phone has the best battery life or which robot vacuum has the best pickup performance. And when we tested 10 different robot vacuums in our lab, one was the clear winner.
Also: My favorite Memorial Day deals: Save big on laptops, tablets, and more
The Ecovacs X8 Pro Omni had the best average score for sand pickup on both hardwood flooring and carpet. And right now, it's $67 off during Memorial Day weekend sales, meaning you can snag this Lab Award-favorite for just $599.
Compared to the other robot vacuums we tested from brands like Shark, Roborock, Dreame, and others, the Ecovacs Deboot X8 Pro Omni picked up an average of 60.28% of sand across all three of the testing categories (hardwood floor, low-pile carpet, and mid-pile carpet).
Also: We compared 10 robot vacuums for sand pickup - and one model was the clear favorite
Aside from its impressive pickup performance, the Ecovacs Deboot X8 Pro Omni has a self-cleaning mop roller and has a clean-water and a dirty-water tank within its body. It can vacuum and mop simultaneously, with dust and debris entering the vacuum nozzle, which is located in front of the mop.
It also does a decent job of avoiding obstacles in our lab testing and was able to avoid a sock, a cat toy, and a lamp cord.
Review: This robot vacuum mops so well, it cleaned up the mess my Roomba left behind
I recommend this robot vacuum if you want strong suction performance along with mopping capabilities that always keep your floors clean. And with this Memorial Day deal, there's even a better reason to buy the Ecovacs X8 Pro Omni.
Find more Memorial Day dealsHow I rated this deal
According to our ZDNET deal-rating system, this 10% off deal should be rated a 2/5 deal, but since it is a Lab Award winner and we rarely see it on sale, I gave it a 3/5 rating.
When will this deal expire?
This deal on Walmart's website is listed as a Flash Deal, which means it won't last long. We recommend snagging this deal ASAP if you want to get the $67 off.
Show moreHow do we rate deals at ZDNET?
We aim to deliver the most accurate advice to help you shop smarter. ZDNET offers 33 years of experience, 30 hands-on product reviewers, and 10,000 square feet of lab space to ensure we bring you the best of tech.
Last year, we refined our approach to deals, developing a measurable system for sharing savings with readers like you. Our editor's deal rating badges are affixed to most of our deal content, making it easy to interpret our expertise to help you make the best purchase decision.
At the core of this approach is a percentage-off-based system to classify savings offered on top-tech products, combined with a sliding-scale system based on our team members' expertise and several factors like frequency, brand or product recognition, and more. The result? Hand-crafted deals chosen specifically for ZDNET readers like you, fully backed by our experts.
Also: How we rate deals at ZDNET in 2026
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