Average score
P1
Product 1: Shark PowerDetect Upright Vacuum
4.1
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.3
Accessories and Tools
P1
Product 1: Shark PowerDetect Upright Vacuum
4.4
Reviewers liked the practical attachment set, especially dual-purpose tools and pet-focused accessories, though hose reach shaped how useful they felt.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
3.9
Reviewers considered the included accessories decent to nice, especially the upholstery and combination tools, without calling them premium.
Adaptive chassis lift
P1Product 1: Shark PowerDetect Upright Vacuum
No score yet
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
The lift-up chassis/canister function was praised for making stair-type cleaning easier.
Aesthetic design and finish
P1
Product 1: Shark PowerDetect Upright Vacuum
4.3
Design impressions were positive overall: reviewers noted a cleaner finish, smart packaging of features, and a distinctive purple colorway.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetAI, Smart, App and Automation
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
The smart Detect system was one of the strongest themes, with reviewers praising automatic floor, dirt, edge, and direction adjustments.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetArea Rug Handling
P1
Product 1: Shark PowerDetect Upright Vacuum
3.5
Area-rug results were mixed: transitions were smooth on low-profile rugs, but thin rugs and large clusters sometimes required extra effort.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetAssembly and Setup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Setup was described as quick and easy, with straightforward assembly from the boxed components.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Assembly was consistently described as easy or straightforward across reviews.
Bin and Bag
P1
Product 1: Shark PowerDetect Upright Vacuum
4.3
The dustbin drew praise for its larger capacity versus many cordless vacuums and for reducing emptying frequency.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
The bagless dust bin was praised because the container is easy to dump and reuse.
Build quality and durability
P1
Product 1: Shark PowerDetect Upright Vacuum
4.5
Build was described as robust and heavy-duty, with durable-feeling materials despite the mostly plastic construction.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Build quality was mostly praised as solid, durable, or well-made, with the main caveat being limited long-term evidence.
Carpet — High-Pile Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
2.8
High-pile performance was the clearest carpet weakness: one lab found the brushroll lacked enough agitation for long, thick fibers.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetCarpet — Low-Pile Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.9
Low-pile carpet pickup was consistently strong, from rare perfect-score language to impressive mixed-material cleanup.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetCarpet — Medium-Pile Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Medium-pile and general carpet/rug results were strong, with reviewers calling it one of the best for carpet and better tuned than Stratos in one comparison.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Medium-pile carpet evidence was generally strong, including perfect or high sand/deep-clean results, while TechGearLab rated carpet only slightly above average.
Clogging and debris prevention
P1
Product 1: Shark PowerDetect Upright Vacuum
3.0
Clogging and debris-prevention evidence was mixed because one lab found material clumped in the hose despite strong pickup.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.3
Dustbin and open-design comments were positive about keeping the vacuum free from clogs.
Comparative performance
P1
Product 1: Shark PowerDetect Upright Vacuum
4.5
Compared with other uprights, reviewers often ranked the PowerDetect at or near the top, while noting Stratos remained competitive in some measures.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
3.9
Comparative evidence was split but mostly favorable: several reviews put Kenmore ahead of budget rivals, while TechGearLab preferred Shark alternatives.
Controls and UI
P1
Product 1: Shark PowerDetect Upright Vacuum
4.6
Controls were considered clear and modern, with handle buttons and a colorful display supporting manual modes and Detect mode.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.3
The roller-off control was praised as handy for hard floors because suction continues without the brushroll spinning.
Convertible handheld design
P1
Product 1: Shark PowerDetect Upright Vacuum
4.4
The detachable pod and powered Lift-Away design added flexibility, though moving around in broken-down mode could be awkward.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.1
Lift-up or detachable-canister use was usually praised for portability and above-floor cleaning, though one lab review criticized the lack of a true lift-away feature.
Cord length
P1
Product 1: Shark PowerDetect Upright Vacuum
4.0
Cord length was viewed as reasonably generous at 30 feet, though not exceptional.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
3.6
Cord length was adequate to good: some reviews called it plenty or long enough, while Vacuum Wars treated 25 feet as neutral.
Cord management
P1
Product 1: Shark PowerDetect Upright Vacuum
2.8
The cord was a repeated convenience drawback because it can get in the way, tangle, and does not retract.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.5
The cord hook was praised because it kept the cord from tangling around the user's feet.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Shark PowerDetect Upright Vacuum
3.5
Hard-floor crevice pickup had mixed evidence: the vacuum was strong overall, but sealed-airflow changes reduced concentrated performance in related tests.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
2.3
Crevice and groove pickup was a repeated weakness, with Project Farm and Vacuum Wars describing below-average or struggling results.
Debris illumination
P1
Product 1: Shark PowerDetect Upright Vacuum
4.6
Headlights and debris illumination were useful for seeing hidden dust and cleaning darker corners.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.5
Debris illumination was praised for helping users see under furniture, in dark areas, or during everyday cleaning.
Ease of use
P1
Product 1: Shark PowerDetect Upright Vacuum
4.6
Ease of use was generally strong thanks to automated modes and Lift-Away flexibility, tempered by bulk and some awkward configurations.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Ease of use was a major positive in most reviews thanks to light handling and ergonomics, but TechGearLab scored ease of use below average.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Edge and baseboard cleaning was repeatedly praised, including perfect-rating language and strong single-pass results.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
5.0
Project Farm rated the Kenmore as the best in its test for cleaning close to a wall.
Emptying and Mess Control
P1
Product 1: Shark PowerDetect Upright Vacuum
4.2
Emptying was usually easy, but one reviewer wanted a top-release design to keep hands farther from debris.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.5
Emptying and mess control were consistently praised as easy, with reviewers noting simple dumping and cleaning.
Filtration / Dust Containment
P1
Product 1: Shark PowerDetect Upright Vacuum
4.9
Filtration was a standout in lab-style reviews, with fog or particle testing indicating excellent dust containment.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.8
The sealed HEPA filtration drew strong praise for trapping dust inside the vacuum rather than releasing it back into the room.
Floorhead design
P1
Product 1: Shark PowerDetect Upright Vacuum
5.0
The DuoClean floorhead was widely praised as a central reason for its strong multi-surface pickup.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
The floorhead design was praised for efficiency and a balanced gate-size tradeoff between large-debris pickup and sealing.
Floorhead Seal on Hard Floors
P1
Product 1: Shark PowerDetect Upright Vacuum
3.4
Floorhead seal and concentrated airflow were a tradeoff: wider channels helped some features but reduced sealed-floor test strength.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.7
Reviews praised the hard-floor seal, especially the fabric squeegee that helped reduce scattering with the brushroll on.
Hair-removal channel issues
P1
Product 1: Shark PowerDetect Upright Vacuum
3.0
Hair-removal evidence was mostly positive, with easy brushroll access and fewer tangles, but occasional roller checks were still advised.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetHair Pickup — Carpets
P1
Product 1: Shark PowerDetect Upright Vacuum
4.6
Hair pickup on carpets and rugs was very strong overall, though one lab saw long hair wrap during stress testing.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.7
Carpet pet-hair pickup was praised in both a lab review and a pet-household owner review.
Hair Pickup — Hard Floors
P1
Product 1: Shark PowerDetect Upright Vacuum
5.0
Hard-floor hair pickup was strongly praised, especially the front roller acting like a magnet for hair.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Hard-floor hair pickup was praised, particularly when the brushroll stayed on without scattering debris.
Hair‑Wrap / Tangle Resistance
P1
Product 1: Shark PowerDetect Upright Vacuum
4.6
Anti-tangle performance was usually excellent, with several reviewers saying hair did not wrap; one stress test found some long-hair buildup.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
2.8
Hair-wrap resistance was the most repeated drawback, with several reviewers reporting long hair wrapping around the brushroll, though one reviewer claimed strong anti-tangle behavior.
Hard Floor — Fine Dust Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.9
Fine-dust and small-debris hard-floor pickup was excellent, with single-pass and nearly perfect pickup language across reviews.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetHard Floor — Large Debris Intake
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Large-debris intake was excellent in several tests, but oats and extra-large clusters occasionally needed another pass.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.3
Hard-floor large-debris pickup was often praised, including perfect rice pickup and better large-debris handling, though TechGearLab reported cereal plowing.
Headlight and LED lights
P1
Product 1: Shark PowerDetect Upright Vacuum
4.4
LED lighting was considered helpful and more pronounced than older Shark lighting in comparative discussion.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
LED/headlight comments were positive, with reviewers calling the lighting useful and appreciated.
Hose length
P1
Product 1: Shark PowerDetect Upright Vacuum
2.5
Hose length was a recurring limitation for high or far-away above-floor cleaning.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
2.0
TechGearLab listed hose length as a drawback.
Innovation compared to competitors
P1
Product 1: Shark PowerDetect Upright Vacuum
5.0
Reviewers saw the PowerDetect as unusually innovative for an upright because of its multiple new Detect features.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.5
Vacuum Wars praised the Kenmore for bringing premium-style upright features into a budget price range.
Low-profile design
P1
Product 1: Shark PowerDetect Upright Vacuum
2.7
Low-profile reach was mixed: Lift-Away helped under furniture, but the full upright dustbin and bulky head blocked some tight spaces.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetMaintenance requirements
P1
Product 1: Shark PowerDetect Upright Vacuum
3.8
Maintenance was usually straightforward, but TechGearLab found sand collecting at the foam filter and adding upkeep.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Maintenance evidence was positive where reviewers discussed easy filter changes and simple cleaning.
Maneuverability and Handling
P1
Product 1: Shark PowerDetect Upright Vacuum
3.9
Handling was mostly good thanks to swivel steering, but bulk and tight-area navigation were common caveats.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Handling was a clear strength, with reviewers praising the light feel, swivel, low effort, and easy maneuvering around furniture.
Noise level
P1
Product 1: Shark PowerDetect Upright Vacuum
3.3
Noise was acceptable to mixed: some found the sound pleasant or moderate, while others called it noisy or noted changing mode volume.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
3.8
Noise evidence was mixed: one comparison called it relatively quiet, while another review found it a little louder than average.
Odor control
P1
Product 1: Shark PowerDetect Upright Vacuum
3.2
Odor control split reviewers, with some liking fresher floors while TechGearLab found the scent cheap and overpowering.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetOnboard tool storage
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Onboard tool storage was praised for keeping attachments housed on the vacuum and harder to lose.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.0
Onboard tool storage was presented as useful because accessories stay on the upright for quick access.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: Shark PowerDetect Upright Vacuum
4.0
Ongoing odor-cartridge cost appeared manageable in the one review that evaluated replacement cost.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Reviewers liked the bagless and washable-filter setup because it reduced the need to buy bags or replacement filters frequently.
Overall durability/longevity
P1
Product 1: Shark PowerDetect Upright Vacuum
4.0
Durability evidence was limited but positive, centered on the heavy-duty material impression.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
3.6
Build impressions were positive, but long-term durability remained only cautiously assessed because the model was relatively new.
Overall opinion
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Overall opinion was strongly favorable, with multiple reviewers recommending it or calling it a top upright despite tradeoffs.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Overall opinion leaned positive across most reviews, but TechGearLab offered a notably more negative verdict.
Packaging quality
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Packaging was positively described as well-packed and protective.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.8
Packaging was praised by one reviewer as neat, intact, and well protected.
Pet-Ready Features
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Pet-readiness was a major strength due to hair pickup, anti-tangle behavior, odor control, HEPA filtration, and pet tools.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.8
The pet-focused review praised the vacuum for a pet-friendly home, tying that to pet hair pickup and dust containment.
Price and Value
P1
Product 1: Shark PowerDetect Upright Vacuum
3.8
Value was mixed to positive: reviewers praised performance for the cost but repeatedly noted premium pricing.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.3
Most reviewers framed the Kenmore as a strong budget value, though TechGearLab argued similarly priced models performed better.
Reverse cleaning performance
P1
Product 1: Shark PowerDetect Upright Vacuum
4.3
Reverse cleaning was praised where tested, with Direction Detect helping backward pulls and reverse oat pickup.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.7
Reverse-pass cleaning was strong in Project Farm’s plastic-ball test, where the Kenmore picked up remaining debris on the return pass.
Scratch resistance
P1Product 1: Shark PowerDetect Upright Vacuum
No score yet
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.0
One reviewer valued the hard-floor mode because stopping the brushroll helps avoid scratching wood floors.
Self-propel feature
P1
Product 1: Shark PowerDetect Upright Vacuum
4.0
The strong suction created a self-propelled feel that some found helpful after adjustment, but it could also feel odd.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetStair Cleaning
P1
Product 1: Shark PowerDetect Upright Vacuum
2.8
Stair suitability was limited by weight, despite Lift-Away making lifted use more manageable.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
The lift-up layout was praised for stair cleaning because it made carrying and using the vacuum easier.
Storage footprint and upright-stand stability
P1
Product 1: Shark PowerDetect Upright Vacuum
2.8
Storage and footprint evidence leaned bulky, with reviewers noting a large head or hefty upright form rather than compactness.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetSuction and Airflow
P1
Product 1: Shark PowerDetect Upright Vacuum
5.0
Suction and airflow were a core strength, repeatedly described as above average, superb, or able to handle almost any debris.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Most reviews described suction or airflow as strong, with test evidence ranging from solid water-lift results to owner praise for high suction.
Suitability for heavy-duty use
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Heavy-duty suitability was strong for deep cleaning and whole-home needs, especially where reviewers emphasized power and large-home use.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetSuitability for small spaces
P1
Product 1: Shark PowerDetect Upright Vacuum
2.5
Small-space suitability was weak because the bulky floorhead struggled to fit into tight spaces.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Small-space usefulness was supported by comments about a narrower head and attachments for tight spaces.
Support and Reliability
P1Product 1: Shark PowerDetect Upright Vacuum
No score yet
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
One owner-style review recommended it for someone wanting a cleaner home and something reliable.
Tool-change simplicity
P1
Product 1: Shark PowerDetect Upright Vacuum
4.4
Tool changes and configuration changes were usually easy, with quick release and detail-tool use praised.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Tool changes were generally described as easy, including a removable wand, snap-together pieces, and convenient switching on attachments.
Under-Furniture Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.7
Under-furniture cleaning improved greatly with Powered Lift-Away, though the standard upright body could block access.
P2Product 2: Kenmore Featherlite Lift-Up Vacuum
No score yetUpholstery / Above-Floor Pickup
P1
Product 1: Shark PowerDetect Upright Vacuum
4.5
Above-floor and upholstery cleaning was strong when using the powered pet brush and detail tools, limited mainly by hose reach.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.4
Above-floor and upholstery use was praised with the canister, wand, and included tools for couches and other surfaces.
Versatility
P1
Product 1: Shark PowerDetect Upright Vacuum
4.8
Versatility was repeatedly praised across hard floors, carpets, Lift-Away use, and multi-surface configurations.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.5
Reviewers described the vacuum as versatile, with many ways to use it and a broad budget feature set.
Weight
P1
Product 1: Shark PowerDetect Upright Vacuum
3.1
Weight was the most repeated ergonomic drawback, even when some reviewers said handling partly offset the heft.
P2
Product 2: Kenmore Featherlite Lift-Up Vacuum
4.6
Weight was a major strength, with reviewers repeatedly describing the vacuum as very light or feather light.