Average score
P1
Product 1: Shark Stratos Upright Vacuum
4.3
P2
Product 2: Dyson Ball Animal 2 Upright...
4.0
Accessories and Tools
P1
Product 1: Shark Stratos Upright Vacuum
4.0
Included tools were useful, especially HairPro-style pet and upholstery tools, but some reviewers wanted more than the basic crevice and upholstery attachments.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.5
Reviewers consistently liked the included tools and attachments, especially when they made hair, upholstery, and detailed cleaning easier.
Adaptive chassis lift
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
3.9
The self-adjusting head earned praise for adapting across floors, but multiple tests found that the same tight seal could hinder large debris or rugs.
Aesthetic design and finish
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.5
Reviewers who commented on looks described the Dyson as cool, futuristic, or one-of-a-kind, with no major finish complaints in the evidence.
Airflow blowback
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Airflow blowback was well controlled in one home test, where rice and litter did not shoot across the floor.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetArea Rug Handling
P1
Product 1: Shark Stratos Upright Vacuum
3.2
Area-rug handling was a weakness versus newer PowerDetect-style designs and required more passes on shaggy rugs.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.9
Area-rug results were mixed: one owner cleaned small rugs quickly with tools, while testers found strong suction could make rugs unworkable or sticky.
Assembly and Setup
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Setup was easy overall; one comparison called assembly more involved, but hands-on reviews found it simple and intuitive.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Assembly evidence was positive, with reviewers describing a simple setup and parts that clicked together easily.
Automatic standby switch
P1
Product 1: Shark Stratos Upright Vacuum
4.6
One reviewer praised the brush rolls stopping when upright as a useful safety behavior.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
One reviewer liked that the rollers stop in the upright position, framing it as a useful safety behavior around children.
Bin and Bag
P1
Product 1: Shark Stratos Upright Vacuum
4.3
The dust bin was usually liked for size and easy removal, though dog hair could fill it quickly in real home use.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
The bagless bin was praised for large capacity and reduced interruptions, though most comments focused on capacity and disposal rather than aesthetics.
Build quality and durability
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Build quality was praised, with reviewers calling out hefty plastic connections and sturdy hardware.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.0
Build quality evidence was mixed-positive: some reviewers called the plastics robust and durable, while one disliked a cheap-feeling hose handle.
Carpet — High-Pile Pickup
P1
Product 1: Shark Stratos Upright Vacuum
3.8
High-pile performance was mixed: some reviewers praised thick-carpet cleaning, while others found sugar, rice, or sand left in shaggy fibers.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.1
High-pile carpet was the clearest cleaning limitation, especially with cereal, rugs, shag, or strong suction pulling the head down.
Carpet — Low-Pile Pickup
P1
Product 1: Shark Stratos Upright Vacuum
4.8
Low-pile carpet performance was excellent, including a 97% pickup result and strong real-world rug cleaning impressions.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Low-pile and general carpet pickup drew strong praise, with several reviewers reporting excellent or near-record cleaning results.
Carpet — Medium-Pile Pickup
P1
Product 1: Shark Stratos Upright Vacuum
4.9
Medium-pile and general carpet pickup was strong, including high sand collection and praise for DuoClean carpet performance.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.2
Medium or thicker-carpet suitability was supported by reviewers who described the wider brush bar and flooring range as appropriate for thicker or medium pile.
Clogging and debris prevention
P1
Product 1: Shark Stratos Upright Vacuum
4.0
One test noted an initial odd debris transfer result but found the vacuum did not appear to clog in later trials.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.3
Clogging evidence was limited but negative, with reviewers noting occasional dog-hair bin sticking and a narrow tube that could clog on larger items.
Comparative performance
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Comparative testing placed the Stratos near or ahead of key rivals overall, though some competitors beat it in specific carpet or suction tests.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.1
Comparative performance was strong overall, but not unanimous: some reviews ranked it among the best, while others found cheaper models performed better.
Controls and UI
P1
Product 1: Shark Stratos Upright Vacuum
4.5
Controls were praised as accessible and well-labeled, with handle-based floor settings making adjustments simple.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Controls were viewed favorably when mentioned, especially suction settings and brush controls that let users adjust spinning or suction behavior.
Convertible handheld design
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Powered Lift-Away was one of the strongest points, repeatedly praised for making the upright act like a more flexible canister-style vacuum.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.0
Handheld conversion was a weakness because a reviewer noted it cannot become a lightweight handheld unit like some alternatives.
Cord length
P1
Product 1: Shark Stratos Upright Vacuum
4.3
Cord length was viewed positively, with reviewers calling the 30-foot range sufficient and convenient.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Cord reach was consistently positive where mentioned, with reviewers appreciating the long cord or cable for larger cleaning areas.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Shark Stratos Upright Vacuum
4.8
Crevice and groove pickup was a standout strength, with tests praising its ability to lift sand and debris from cracks.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.8
Crevice and groove pickup was split: one test praised deep crevice pickup, while hard-floor gap and larger-debris tests exposed limitations.
Cyclone performance
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.9
Cyclone performance was praised as central to the vacuum’s suction and constant cleaning power.
Ease of use
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Ease of use was strong overall, with reviewers praising usability and all-around performance.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Ease of use was generally positive, especially for routine movement and cleaning tasks, though weight-related handling complaints appear under other attributes.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Edge and wall cleaning were strong across tests, with reviewers noting good pickup along wall edges and coffee/rice edge tests.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.9
Edge and baseboard cleaning was praised in test evidence, including near-edge debris collection and edge-to-edge cleaner-head design.
Emptying and Mess Control
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Emptying was generally clean and easy, with top and bottom dust-cup access reducing the need to touch debris.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Emptying and mess control were consistently praised, with several reviewers saying the bin empties easily and keeps hands away from debris.
Filtration / Dust Containment
P1
Product 1: Shark Stratos Upright Vacuum
4.9
Filtration was a major strength, with reviewers praising the sealed HEPA setup and very low particle release in testing.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Filtration and containment were strong overall thanks to HEPA or washable filtration, though one lab noted a partly weakened seal on an older unit.
Floorhead design
P1
Product 1: Shark Stratos Upright Vacuum
4.4
The dual-brush floorhead was usually praised as efficient and useful, though one reviewer wished it performed better on certain carpets.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.8
Floorhead design was a tradeoff: reviewers liked the wide, self-adjusting head, but some found it poor with larger debris.
Floorhead Seal on Hard Floors
P1
Product 1: Shark Stratos Upright Vacuum
4.8
One comparison praised the head's ability to form a tight seal for deep cleaning.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.5
Floorhead sealing was mixed-positive, with suction-loss control praised but active-baseplate behavior linked to large-debris problems.
Hair-removal channel issues
P1
Product 1: Shark Stratos Upright Vacuum
2.5
One lab review found hair could catch in tines and near the soft roller, creating a de-tangling concern.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetHair Pickup — Carpets
P1
Product 1: Shark Stratos Upright Vacuum
4.3
Carpet hair pickup was often praised, but one lab review found only average low-pile performance and weaker high-pile results.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Hair pickup on carpets and pet hair tests was a major strength across lab and owner reviews.
Hair Pickup — Hard Floors
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Hard-floor hair pickup was supported by one review's combined bare-floor hair test, but evidence was limited.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetHair‑Wrap / Tangle Resistance
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Hair-wrap resistance was strongly praised by most reviewers, though one lab test found long hair tangling around the brush roller.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.6
Hair-wrap evidence was mixed: pet-hair tools resisted tangling, but one lab measured substantial long-hair wrap on the brush roll.
Hard Floor — Fine Dust Pickup
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Hard-floor fine-dust performance was consistently strong, with reviewers praising dust pickup on bare floors and hardwood.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.0
Hard-floor fine-dust pickup was strong in some tests but weaker in floor cracks and gaps.
Hard Floor — Large Debris Intake
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Large-debris hard-floor pickup was strong, with little scattering and successful pickup of rice, oatmeal, crumbs, and mixed debris.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.4
Hard-floor large-debris intake was mixed, ranging from strong cereal pickup to complaints that the head pushed larger debris.
Headlight and LED lights
P1
Product 1: Shark Stratos Upright Vacuum
3.0
LED lighting evidence was limited and mildly negative, with one comparison saying the Stratos lights were less pronounced than another Shark.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.0
The lack of LEDs on the floorhead was a clear drawback in the only opinionated evidence for this attribute.
Hose length
P1
Product 1: Shark Stratos Upright Vacuum
4.6
The hose and wand reach were praised for giving more than 8 feet of extended reach.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.3
Hose and wand reach were praised for stairs and above-floor cleaning, though one owner disliked a stiff non-bending section.
Innovation compared to competitors
P1
Product 1: Shark Stratos Upright Vacuum
4.6
The Stratos was treated as an advanced flagship that combines Shark's prior best upright features with newer suction and odor technology.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.1
Innovation evidence centered on Dyson’s ball and self-adjusting systems, which reviewers called distinctive or inventive, but sometimes with practical tradeoffs.
Kid-friendliness
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.8
Kid-friendliness evidence was positive, with one household reporting children enjoyed using the tools and another praising upright roller safety.
Low-profile design
P1
Product 1: Shark Stratos Upright Vacuum
5.0
Low-profile cleaning was a strength because Powered Lift-Away helped reach under furniture where uprights often struggle.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.3
Low-profile cleaning was a repeated weakness because the ball and bulk limited reach under furniture and tight areas.
Maintenance requirements
P1
Product 1: Shark Stratos Upright Vacuum
3.8
Maintenance was mixed: washable filters were a plus, but odor cartridges and hair cleanup could add extra work.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.5
Maintenance was considered straightforward, especially because filters can be washed and routine cleaning tasks are easy to access.
Maneuverability and Handling
P1
Product 1: Shark Stratos Upright Vacuum
3.9
Handling was split: reviewers liked the swivel and obstacle navigation, but some found the bulky canister harder to maneuver.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.9
Maneuverability was polarizing: the ball design helped turning, but weight and suction made some users work harder.
Noise level
P1
Product 1: Shark Stratos Upright Vacuum
3.2
Noise was a recurring tradeoff: one test found it only slightly louder than a cheaper Shark, while another called it clearly noisy.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.5
Noise opinions varied sharply, from quiet and acceptable in some reviews to loud or noisy in others.
Odor control
P1
Product 1: Shark Stratos Upright Vacuum
3.3
Odor control was mixed: one review liked the idea or masking effect, but multiple hands-on reviewers barely noticed it or saw it as added maintenance.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetOnboard tool storage
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Onboard tool storage was praised when mentioned, especially the integrated storage for upright accessories.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Ownership costs were seen as reasonable because filters last a long time and are not expensive to maintain.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Ongoing ownership costs were favorable because the vacuum is bagless and uses washable or reusable filters.
Overall durability/longevity
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.5
Durability and longevity evidence was positive, with reviewers citing long-term use, flagship status, or confidence from warranty/build quality.
Overall opinion
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Overall sentiment was strongly positive, with multiple reviewers calling it one of the best uprights or a favorite despite weight and shag-carpet caveats.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.2
Overall opinion was mixed-to-positive: many reviewers loved the cleaning power, but some rejected it over price, weight, or handling.
Packaging quality
P1
Product 1: Shark Stratos Upright Vacuum
5.0
Packaging quality was praised in one hands-on review for organized wrapping and easy unboxing.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetPet-Ready Features
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Pet-focused evidence was generally positive, especially for pet hair pickup and sealed filtration, though pet-hair results varied by surface in broader testing.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.5
Pet-ready performance was a strong point, with pet hair and upholstery hair pickup repeatedly praised, though one turbine-tool comment was critical.
Price and Value
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Value was viewed positively because reviewers saw premium cleaning, filtration, and versatility at a lower price than some rivals.
P2
Product 2: Dyson Ball Animal 2 Upright...
3.6
Value was the main split: some reviewers said the power justified the price, while others called it too expensive or best only on sale.
Reverse cleaning performance
P1
Product 1: Shark Stratos Upright Vacuum
4.0
Reverse-pass carpet performance was good but not perfect, with one test noting the Stratos missed more sand than Dyson on the return pass.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetSelf-propel feature
P1
Product 1: Shark Stratos Upright Vacuum
4.0
The brush rollers gave a mild self-propel feel, helping the vacuum move forward during use.
P2Product 2: Dyson Ball Animal 2 Upright...
No score yetStair Cleaning
P1
Product 1: Shark Stratos Upright Vacuum
3.8
Stair usability was mixed but mostly workable: Lift-Away helped, while the full unit's weight made carrying it upstairs less ideal.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.4
Stair cleaning was generally strong because of long hose and wand reach, though one review cited moving the heavy unit as cumbersome.
Storage footprint and upright-stand stability
P1
Product 1: Shark Stratos Upright Vacuum
2.5
Stability was a clear weakness in one hands-on review, where the vacuum tipped easily during stretched-hose cleaning.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.5
Upright-stand stability and storage were weak spots, with multiple reviewers describing bulk or difficulty getting the vacuum to stay upright.
Stuck resistance
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
2.2
Stuck resistance evidence was negative, focused on area rugs and mats that strong suction could grab or lift.
Suction and Airflow
P1
Product 1: Shark Stratos Upright Vacuum
4.8
Reviewers consistently described the Stratos as extremely powerful, with strong suction and airflow that helped it excel in deep debris pickup.
P2
Product 2: Dyson Ball Animal 2 Upright...
5.0
Suction was the strongest consensus attribute, repeatedly praised as exceptional, powerful, or among the strongest tested.
Suitability for heavy-duty use
P1
Product 1: Shark Stratos Upright Vacuum
4.5
Reviewers saw it as capable of serious cleaning, with enough power and hardware quality for heavier-duty use cases.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.0
Heavy-duty suitability was mixed: reviewers admired its power for busy homes, but some found it impractical for varied carpets or prolonged whole-house use.
Suitability for small spaces
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Small-space suitability was supported by precise swivel motion and easy navigation around tight spaces and obstacles.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.1
Small-space suitability was poor because the large ball and bulky body made tight spaces and storage harder.
Support and Reliability
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.8
Support and reliability evidence was positive, driven by the five-year warranty and reviewer confidence in coverage.
Surface safety with attachments
P1Product 1: Shark Stratos Upright Vacuum
No score yet
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Surface-safety evidence was positive where mentioned, especially the ability to stop the brush bar on hard floors or delicate rugs.
Tool-change simplicity
P1
Product 1: Shark Stratos Upright Vacuum
4.6
Tool changes were generally easy, with reviewers praising the removable wand and straightforward access for brushroll cleaning.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.7
Tool changes were generally described as easy, with attachments clicking on, staying secure, or being simple to use.
Under-Furniture Pickup
P1
Product 1: Shark Stratos Upright Vacuum
4.7
Under-furniture cleaning was a standout benefit because Powered Lift-Away made low-profile furniture and hard-to-reach areas easier.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.6
Under-furniture pickup was mixed-to-negative; wand/tools helped some users, but the bulky ball limited precision and low-clearance reach.
Upholstery / Above-Floor Pickup
P1
Product 1: Shark Stratos Upright Vacuum
4.4
Above-floor and upholstery cleaning were strong, especially with the removable canister and HairPro-style powered tool.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.6
Above-floor and upholstery cleaning was a strength because the wand, hose, and attachments were useful on sofas, stairs, furniture, and high areas.
Versatility
P1
Product 1: Shark Stratos Upright Vacuum
4.8
Versatility was a major selling point, with the lift-off canister making it feel like two vacuums in one.
P2
Product 2: Dyson Ball Animal 2 Upright...
4.4
Versatility was strong for tool-based cleaning, although one professional review noted it was less versatile than some uprights.
Weight
P1
Product 1: Shark Stratos Upright Vacuum
3.0
Weight was the main ergonomic drawback, with reviewers calling it bulky, heavy, or cumbersome to carry.
P2
Product 2: Dyson Ball Animal 2 Upright...
2.7
Weight was one of the most repeated drawbacks, with reviewers calling it heavy or difficult to lug, despite some tool-based workarounds.