Average score
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.6
Product 2: Shark Stratos Cordless Vacuum IZ862H
4.2
Accessories and Tools
Product 1: Gtech AirRAM 3 Cordless Vacuum
1.3

Reviewers consistently note that the AirRAM 3 ships without cleaning attachments and cannot accept standard crevice or upholstery tools, which sharply limits what it can do beyond floors.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.8

Included tools usually cover basics like a crevice/duster tool and an anti-allergen brush. Several reviewers wish it bundled more (powered upholstery tool, extra filters, or a dedicated pet tool depending on region).

Aesthetic design and finish
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

The design gets mixed but mostly favorable reactions: several reviewers like the premium metal details, leather handles, and clean styling, while others think the bulky upright head looks dated.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
AI, Smart, App and Automation
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
4.3

Clean Sense IQ dirt sensing that automatically adjusts suction is generally viewed as useful, though at least one reviewer felt the boost was subtle aside from added noise.

Airflow blowback
Product 1: Gtech AirRAM 3 Cordless Vacuum
2.1

Debris scatter is a real tradeoff, with multiple reviewers saying the side brushes or airflow can fling particles around or leave some mess behind on hard floors and during stress tests.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Area Rug Handling
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

It handles mixed flooring and area rugs well overall, but results are stronger on shorter and medium rugs than on thicker, deeper pile pieces.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.4

Area rugs are usually handled well, but thin or lightweight rugs can get pulled toward the head unless suction is reduced.

Assembly and Setup
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.5

Setup is repeatedly described as fast and straightforward, with the handle, battery, and charging base coming together quickly.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

Assembly is typically fast and intuitive, with most reviewers set up in minutes; occasional fiddly steps are tied to the scent cartridge and its dial.

Automatic shutoff for obstructions
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.5

The obstruction protection works as intended in the reviews that mention it, stopping the machine and alerting the user when something too large gets sucked in.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Battery and Charging
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.1

Expect roughly 30 minutes of runtime and about a three-hour recharge, with reviewers also liking the removable battery and simple dock.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.9

Charging times are typically around 3 to 4.5 hours, and the removable battery is a plus. Some reviewers report performance is more consistent when the battery is kept fully charged or when a second battery is available.

Bin and Bag
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.5

The 0.8L bin makes good use of space through dust compression and is easy to remove, but emptying can still get messy depending on the debris load.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.7

Bin size feels acceptable for many whole-home cleans, but some reviewers find it small or awkwardly shaped, especially when dealing with fine powders that cling to the interior.

Build quality and durability
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Build impressions are strong overall, with repeated praise for sturdy materials, metal parts, and a robust floorhead.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

Durability impressions are positive in hands-on use, with reports of the body surviving bumps and feeling well built, although the overall unit is heavy.

Carpet — High-Pile Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.7

High-pile performance is usable but inconsistent: some reviewers say it cleans deep pile impressively, while others felt the single power mode and bulky head struggled more on thicker carpets and rugs.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Carpet — Low-Pile Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Low-pile carpet pickup is generally strong, with several reviewers reporting quick hair and debris removal in few passes.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Carpet — Medium-Pile Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.5

Medium-pile cleaning is solid, though some reviewers noticed extra drag or less confidence than on hard floors and shorter carpet.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.3

Carpet cleaning is often rated very good to excellent, including deep-clean style tests. One lab-style review found only average per-pass pickup versus top competitors, so expectations should be calibrated to mode and carpet type.

Clogging and debris prevention
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.6

The short air path helps limit clogging, but some reviewers still saw debris fall back out or collect around the comb and brush area.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Comparative performance
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.8

Most reviewers rank its raw floor-cleaning ability highly against rivals, but several still prefer Shark or Dyson when maneuverability, features, or all-home versatility matter.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

In comparisons, it is often positioned as competitive with top cordless models and has won category awards in some sources; a few reviewers still say other models may offer better value depending on sales and feature priorities.

Controls and UI
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.6

Controls are simple and easy to learn, centered on a foot switch and one power level, though that same simplicity means little customization and some users dislike the foot-operated setup.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.3

Controls and the LED display are widely liked, with clear mode changes plus battery and sensor feedback that are easy to read while cleaning.

Convertible handheld design
Product 1: Gtech AirRAM 3 Cordless Vacuum
1.0

This is a floor-only machine that does not convert into a handheld, making it a poor substitute for a full whole-home cordless system.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.2

Detaching to a handheld configuration is useful for stairs, furniture, and cars, but several reviewers note it can feel a bit heavy in the hand for extended above-floor work.

Cordless convenience
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.6

The cordless upright format, self-standing body, and grab-and-go charging stand make it especially convenient for quick floor cleans.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.7

Cordless operation is repeatedly praised for quick daily cleanups and easier movement around furniture and stairs; the main limiter is how quickly runtime drops in higher modes.

Crevice / Groove Pickup (Hard Floors)
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.0

It can pull dust from some floorboard cracks and along baseboards, but narrow gaps and deep crevices remain a weakness without a dedicated tool.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.7

Crevice and groove cleaning is strong in multiple tests, supported by good head sealing and effective crevice tools.

Debris illumination
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.0

The floor lighting is helpful for spotting debris in darker areas, even if it is not as revealing as the best laser-style systems.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Dried-On Stain Removal
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
4.5

Steering and handling are commonly described as smooth and responsive with good swivel, though the head can feel bulky in tight gaps.

Ease of use
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Day-to-day usability is a major strength thanks to simple controls, low hand fatigue, and an easy grab-and-go format.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

Ease of use is broadly praised for intuitive controls and smooth cleaning on mixed floors, with the main caveat being fatigue from the unit's weight during longer sessions.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

Edge and baseboard pickup is one of the standout features, with the rotating side brushes repeatedly praised for getting closer to skirting boards than typical cordless vacuums.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.5

Edge and baseboard performance is repeatedly described as very good, helped by strong sealing at the floorhead.

Emptying and Mess Control
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.3

Mess control during emptying is mixed: some reviewers love the one-motion release, while others reported spillback from the bin or floorhead.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.9

Emptying is typically one-button and low-mess, but fine powders can stick inside the bin and require rinsing for a truly clean cup.

Filtration / Dust Containment
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.0

Filtration is a mixed story, with praise for the self-cleaning filter concept but criticism around fine-dust leakage and imperfect dust containment in some tests.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.7

Multiple reviews emphasize a sealed, HEPA-style filtration system and strong dust containment, including smoke-style tests and praise for reduced dust blowback.

Floorhead design
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

The floorhead design is unusual and highly distinctive, putting the motor, battery, and bin at floor level for comfort and direct pickup, though the head is undeniably bulky.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.3

The DuoClean two-roller, power-fin style floorhead earns frequent praise for smooth transitions and strong pickup, but its bulk can make narrow reach harder.

Floorhead Seal on Hard Floors
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.0

Its hard-floor seal and intake design help it collect dust and larger debris effectively on forward and backward passes, but the seal is not perfect in every test.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Hair-removal channel issues
Product 1: Gtech AirRAM 3 Cordless Vacuum
2.5

Despite the anti-wrap claims, some reviewers still found hair or debris collecting in the comb and brush channel area.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Hair Pickup — Carpets
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.6

Hair pickup on carpets is consistently strong, including on low-pile carpet, rugs, and some deeper pile tests.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Hair Pickup — Hard Floors
Product 1: Gtech AirRAM 3 Cordless Vacuum
5.0

Hair pickup on hard floors is excellent, with several reviewers reporting near-effortless removal in one or two passes.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Hair‑Wrap / Tangle Resistance
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.1

Tangle resistance is better than many vacuums, but not flawless, because some reviewers still found wrapped hair on the brush roll after use.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.4

Most reviews say hair wrap is minimal thanks to a self-cleaning brushroll design, though one stress test still reported tangling under heavy hair conditions.

Hard Floor — Fine Dust Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.3

Fine-dust pickup on hard floors is good overall but not perfect, with strong flour and dust results in some homes and more residue in tougher lab-style tests.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

Fine-dust pickup on hard floors is a standout strength in many tests, though ultra-fine sand or sugar may need an extra pass or a higher power setting.

Hard Floor — Large Debris Intake
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.0

Large-debris pickup is strong on hard floors, but the last few pieces can still get pushed around or require extra passes.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.7

Large debris pickup is consistently strong with little scatter reported, handling cereal, rice puffs, and other chunky messes well.

Headlight and LED lights
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.1

The LED system is bright and practical, serving as both floor illumination and, in some cases, a battery or charging indicator.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.4

LED headlights are frequently mentioned as helpful for spotting dust; a few sources differ on whether a headlight is included in specs, but hands-on reviews generally report usable LEDs.

Innovation compared to competitors
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Its side brushes, floor-level architecture, self-cleaning filter concept, and unusual upright format make it feel genuinely different from typical cordless sticks.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Low-profile design
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.4

It can reach under some furniture and fold lower than many uprights, but the bulky head still limits access under very low pieces.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.4

Despite a bulky head overall, several reviewers note it can still get under some cabinets or low furniture when paired with the flexible wand.

Maintenance requirements
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

Maintenance demands are lower than average because of the self-cleaning filter and simple internals, though several reviewers doubted the idea that it truly never needs maintenance.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.1

Maintenance is usually described as low effort due to washable filters and reduced hair wrap; cleaning the dust cup after fine powders can be the most annoying routine task.

Maneuverability and Handling
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

Handling is generally easy thanks to self-propulsion and floor-level weight, but it is not as nimble as the most agile Dyson-style stick vacuums.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Noise level
Product 1: Gtech AirRAM 3 Cordless Vacuum
2.8

Noise is acceptable to loud depending on the review, with some testers specifically calling the sound shrill or noticeably noisy.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.6

Noise is reasonable in Eco/auto modes in at least one measurement, but it becomes noticeably loud in Boost and when the dirt sensor ramps power.

Odor control
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
3.6

The odor-neutralizer cartridge is polarizing: some love the fresh scent while others find it too strong or unnecessary. It can also introduce ongoing cartridge costs.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
3.6

Beyond filters and batteries, the optional scent cartridges can add a small recurring cost, and some reviewers wish spare filters were included for the price.

Overall opinion
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.6

Overall sentiment is positive for people who want a dedicated floor cleaner, but enthusiasm drops when reviewers judge it as an all-purpose cordless vacuum.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Packaging quality
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.8

Packaging is compact and organized, though one reviewer flagged the mixed recyclability of some protective materials.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

At least one hands-on review calls the packaging minimal and largely recyclable, with little unnecessary filler.

Pet-Ready Features
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.4

It is a strong floor cleaner for pet homes, especially for fur, dander, and messy entrance areas, but it lacks pet-specific hand tools.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.6

Pet owners consistently report strong hair pickup on floors and furniture, making it a reliable choice for routine pet messes.

Price and Value
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.3

Value looks fair to good if you want a dedicated floor cleaner, but weaker if you need attachments, boost modes, or one vacuum for every task.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.9

Value perceptions hinge on price: at full MSRP it is often labeled expensive, but it is frequently viewed as a strong buy when discounted, especially versus premium cordless rivals.

Runtime
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.1

Its real-world runtime of about 30 minutes is enough for many flats and smaller homes, but can feel short for larger spaces or deeper whole-home cleans.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.1

Eco runtimes around an hour are frequently cited, while sensor/auto modes are commonly closer to the 20–30 minute range depending on surface and usage. Boost or Max runtime is short in testing (around 10–11 minutes), which is typical for high-power cordless sticks.

Self-cleaning cycle
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.9

The self-cleaning filter cycle is a useful convenience feature for most reviewers, though one YouTube test found it less effective than advertised.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Self-propel feature
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.6

The self-propel effect is one of the product's clearest strengths, making the vacuum feel easier to push across floors.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Stair Cleaning
Product 1: Gtech AirRAM 3 Cordless Vacuum
1.4

Stair cleaning is one of its biggest weaknesses because the head is bulky, there is no handheld mode, and several reviewers found stairs awkward or nearly impossible.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.6

Stair cleaning is doable, especially in handheld mode, but several reviewers call out the head weight as tiring when doing stairs with the full unit.

Storage footprint and upright-stand stability
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.5

Storage is excellent thanks to the self-standing body, compact handle adjustment, and tidy charging setup.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.2

The MultiFLEX hinge lets the vacuum fold down for compact, often freestanding storage. A minority of reviewers note it may not stand fully upright as securely as a docked unit.

Stuck resistance
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
3.2

A few users note the brush can grab small objects like cords or fabric if you are not careful, but these clogs are usually easy to clear without damage.

Suction and Airflow
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Suction is the core selling point, with most reviewers calling it exceptionally strong for general floor cleaning.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.5

Most reviewers describe suction as genuinely strong for a cordless stick, with some tests measuring class-leading numbers for Shark. A few sources note it is not the absolute strongest versus premium competitors, and power use rises quickly in high modes.

Suitability for heavy-duty use
Product 1: Gtech AirRAM 3 Cordless Vacuum
2.9

It handles regular home cleaning well, but it is less convincing for huge debris loads, repeated stress tests, or truly heavy-duty whole-home use.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Suitability for small spaces
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.0

It suits smaller homes, flats, and bungalows well because it stores easily and is quick to grab, though the large head can still be awkward in tight gaps.

Product 2: Shark Stratos Cordless Vacuum IZ862H
No score yet
Support and Reliability
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
4.3

A longer warranty period is a recurring highlight, though some reviewers still recommend buying with coverage because repairability can be a concern for cordless sticks in general.

Tool-change simplicity
Product 1: Gtech AirRAM 3 Cordless Vacuum
No score yet
Product 2: Shark Stratos Cordless Vacuum IZ862H
4.2

Swapping attachments and switching into handheld mode is generally quick and straightforward, which helps for spot-cleaning and tight spaces.

Under-Furniture Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
3.5

Under-furniture pickup is decent overall, but reach depends heavily on clearance because the head is still larger and bulkier than many stick vacs.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.8

The MultiFLEX bending wand is repeatedly highlighted for under-furniture reach and reducing how much you need to bend down while vacuuming.

Upholstery / Above-Floor Pickup
Product 1: Gtech AirRAM 3 Cordless Vacuum
1.0

Above-floor cleaning is a major weakness because it cannot clean upholstery, shelves, car interiors, or other non-floor areas on its own.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.2

Above-floor cleaning is generally effective on upholstery and tight spots, but multiple sources note the lack of a powered upholstery tool in the box.

Versatility
Product 1: Gtech AirRAM 3 Cordless Vacuum
1.8

Versatility is limited by the single floor-focused form factor, lack of attachments, and absence of handheld conversion.

Product 2: Shark Stratos Cordless Vacuum IZ862H
4.4

Versatility is a strength: it works across mixed floors, folds for storage, and converts to handheld for above-floor tasks. It is not a wet/dry or self-empty system, so it stays focused on vacuuming.

Weight
Product 1: Gtech AirRAM 3 Cordless Vacuum
4.2

Although it weighs about 3.8kg, the floor-level design makes it feel lighter in use than many top-heavy cordless vacuums.

Product 2: Shark Stratos Cordless Vacuum IZ862H
3.3

Weight is the most common ergonomic complaint, with many calling it heavier than peers and sometimes top- or head-heavy, especially on stairs.