Head to head

Dyson V8 Absolute vs Dyson V15s Detect Submarine

Dyson V15s Detect Submarine leads 5 to 2 on the 7 rankable specs, but Dyson V8 Absolute costs $430 less.

Catalog as of September 1, 2026

Why, in numbers

Suction: Dyson V8 Absolute lists 115 AW (in Boost mode) (other published figure, not on maker sheet); Dyson V15s Detect Submarine lists 240 AW (other published figure, not on maker sheet).
Max runtime: Dyson V8 Absolute lists 40 minutes (low power / non-motorized) (Dyson sheet, 2026-09-02); Dyson V15s Detect Submarine lists 60 minutes (dry Eco mode) / ~30 minutes auto (Dyson sheet, 2026-09-02).
Weight: Dyson V8 Absolute lists 5.8 lb (2.6 kg) (Dyson sheet, 2026-09-02); Dyson V15s Detect Submarine lists 6.8 lb (3.1 kg) dry / 9.1 lb (4.1 kg) with filled Submarine wet head (Dyson sheet, 2026-09-02).
Auto suction adjust: Dyson V8 Absolute lists No (2 power modes: Powerful and Boost) (Dyson sheet, 2026-09-02); Dyson V15s Detect Submarine lists Yes (Auto mode reacts to dust levels on dry heads) (Dyson sheet, 2026-09-02).
Floor illumination: Dyson V8 Absolute lists No (Dyson sheet, 2026-09-02); Dyson V15s Detect Submarine lists Fluffy Optic green laser on hard floor cleaner head (Dyson sheet, 2026-09-02).

Manufacturer list price, not a live offer. Confirm current pricing before you buy.

Dyson V8 Absolute

$5192 spec wins

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Dyson V15s Detect Submarine

$9495 spec wins

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Generational Upgrade Analysis

Generational Comparison

Dyson sibling models compared across generations.

Our recommendation: Compare the spec differences below to see if the price premium justifies the newer model's additions.

Buying for

Every rankable spec counts once. Pick a lens to score only what matters for your cordless vacuum.

Straight answer

Overall: 2 to 5

Buy the Dyson V15s Detect Submarine.

Leads 5 of 7 rankable overall specs; Dyson V8 Absolute takes 2.
Suction: 240 AW vs 115 AW
Max runtime: 60 minutes vs 40 minutes
Dyson V8 Absolute is $430 cheaper. Pay the difference only if suction matters to you.

2 Dyson V8 Absolute7 rankable of 19 specsDyson V15s Detect Submarine 5

Deal-breakers

tick what would make you walk away

Under 50 minutes of runtimerow
A larger home needs a mid-clean recharge.
Trips:Dyson V8 Absolute · 40 minutesClear:Dyson V15s Detect Submarine · 60 minutes
No self-emptying dockrow
You empty the bin by hand after every clean.
Trips:Dyson V8 Absolute · Wall-mounted drop-in dock and charging…Trips:Dyson V15s Detect Submarine · Wall dock + drip tray for Submarine head
Warranty under 3 yearsrow
Battery packs often fade around year three.
Trips:Dyson V8 Absolute · 2 years parts and labor limited warrantyTrips:Dyson V15s Detect Submarine · 2 years parts and labor limited warranty

At a glance

The handful of numbers that decide most purchases in this category.

3 of 3 differ

Suction

V8 Absolute

115 AW (in Boost mode)

V15s Detect Submarine

240 AW

Max runtime

V8 Absolute

40 minutes (low power / non-motorized)

V15s Detect Submarine

60 minutes (dry Eco mode) / ~30 minutes auto

Weight

V8 Absolute

5.8 lb (2.6 kg)

V15s Detect Submarine

6.8 lb (3.1 kg) dry / 9.1 lb (4.1 kg) with filled Submarine wet head

True 3-Year Cost of Ownership (TCO)

Upfront price + 3 years of consumables, fees & essential add-ons

Dyson V8 Absolute

Upfront list price$519

3-Yr Washable post-motor filter replacement (Every 24 months (~$15/yr avg))+$45

3-Year Estimated Total$564

Dyson V15s Detect Submarine

Upfront list price$949

3-Yr Submarine roller replacement + HEPA (Roller & filter annual upkeep (~$35/yr))+$105

3-Year Estimated Total$1,054

Under-Furniture & Maneuverability Check

Clearing low sofas, stair ergonomics, and dust cloud disposal.

Ergonomic & Spatial Check

Under-Furniture Clearance

Measures the lowest gap under beds, coffee tables, and sofas the vacuum can reach.

V8 Absolute

4.5 in under-furniture clearance

V15s Detect Submarine

Standard cleaner head clearance

Dust Bin Emptying Style

Auto-empty clean stations eliminate dust clouds for allergy sufferers.

V8 Absolute

Pull-up collar bin release mechanism

V15s Detect Submarine

Manual bin latch

In-Hand Carry Weight

Lighter units drastically reduce wrist strain when cleaning stairs and high vents.

V8 Absolute

5.58 lb (light and nimble)

V15s Detect Submarine

Standard stick vacuum weight

The 90-Day Owner Regret Check

Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.

Post-Purchase Truths

V8 Absolute: What to watch for

Maintenance
Washable filters must air-dry for a full 24 hours before reassembly.
Running the vacuum with a damp filter can damage the suction motor and cause musty odors, requiring an overnight wait or spare filter.

V15s Detect Submarine: What to watch for

Maintenance
Washable filters must air-dry for a full 24 hours before reassembly.
Running the vacuum with a damp filter can damage the suction motor and cause musty odors, requiring an overnight wait or spare filter.

Dyson V8 Absolute$5192 wins

Dyson V15s Detect Submarine$9495 wins

Cleaning performance Runtime & charging Usability Filtration Kit Ownership

16 of 19 attributes differ. Identical rows are dimmed.

Cleaning performance

leads 2-0

Cleaning performance specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
SuctionNot on the official sheet	115 AW (in Boost mode)	240 AW (wins this row: higher)
Auto suction adjust	No (2 power modes: Powerful and Boost)	Yes (Auto mode reacts to dust levels on dry heads) (wins this row: has it)
Floor illumination	No	Fluffy Optic green laser on hard floor cleaner head
Anti-tangle	De-tangling Motorbar cleaner head with polycarbonate removal vanes	Digital Motorbar with de-tangling hair removal vanes
Floor types	Hard floors, tile, area rugs, carpets	Hard floors (wet & dry), tile, laminate, area rugs, carpets
Dust / particle sensing	No	Piezo sensor counts and measures dust particles

Runtime & charging

leads 2-0

Runtime & charging specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
Max runtime	40 minutes (low power / non-motorized)	60 minutes (dry Eco mode) / ~30 minutes auto (wins this row: higher)
Typical mixed-use runtimeNot on the official sheet	~25 minutes on standard mode with motorized head	~25–35 minutes mixed cleaning
Charge time	5.0 hours	4.5 hours (wins this row: lower)

Usability

leads 2-1

Usability specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
Weight	5.8 lb (2.6 kg) (wins this row: lower)	6.8 lb (3.1 kg) dry / 9.1 lb (4.1 kg) with filled Submarine wet head
Bin capacity	0.54 L	0.77 L dry bin / 300 mL clean water tank + 360 mL dirty water tray (wins this row: higher)
NoiseNot on the official sheet	~75 dB (wins this row: lower)	~76–80 dB
Display	LED battery indicator lights (no digital screen)	LCD screen: real-time particle graph, runtime countdown, maintenance alerts

Filtration

1 differences

Filtration specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
Filtration	Whole-machine advanced filtration (captures 99.99% of particles down to 0.3 microns)	Advanced whole-machine filtration (captures 99.99% of particles down to 0.3 microns)
Sealed system	Yes (fully sealed system)	Yes (fully sealed system)

Kit

2 differences

Kit specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
Attachments	Motorbar cleaner head, Fluffy cleaner head, Hair screw tool, Crevice tool, Combination tool	Submarine wet roller head, Fluffy Optic head, Digital Motorbar, Hair screw tool, Combination tool, Crevice tool
Dock	Wall-mounted drop-in dock and charging station	Wall dock + drip tray for Submarine head

Ownership

0 differences

Ownership specifications. Middle column is Dyson V8 Absolute, right column is Dyson V15s Detect Submarine.
Warranty	2 years parts and labor limited warranty	2 years parts and labor limited warranty
Bagless	Yes (point-and-shoot hygienic bin emptying)	Yes (point-and-shoot hygienic bin emptying)

Most rows are from the official spec sheet. Marked rows are other published figures or our summary, not lab tests we ran.

Dyson V8 Absolute source Dyson V15s Detect Submarine source

Which one should you buy

Pick this one if

Dyson V8 Absolute

Lightweight cordless stick vacuum with Dyson digital motor V8, de-tangling Motorbar cleaner head, and Fluffy cleaner head for hard floors.

Lightweight and agile at only 5.8 lb
Includes two full-size cleaner heads (Fluffy + Motorbar)
Proven reliable Dyson filtration at an accessible price

What you give up

Up to 40 minutes max runtime (trails newer V12/V15 models)
No LCD screen or particle count display

Full Dyson V8 Absolute specs →

Pick this one if

Dyson V15s Detect Submarine

All-in-one wet and dry cordless vacuum featuring Submarine wet roller cleaner head for hard floor washing, Fluffy Optic illumination, and 240AW suction.

Submarine wet roller head washes tile, hardwood, and laminate with clean water extraction
Includes full dry vacuum arsenal: 240AW suction, piezo dust counter, and Fluffy Optic head
Automatically switches modes when wet roller head is attached

What you give up

Submarine wet head requires manual rinse and maintenance after washing
Heavy when water tank is full (9.1 lb wet / 6.8 lb dry)

Full Dyson V15s Detect Submarine specs →

Best for each use

Pets & carpet

Pet hair and carpet: suction, a tangle-free brush, sealed filtration

Too close to call on pets & carpet from the spec sheets. Only suction is rankable here.

Anti-tangle: De-tangling Motorbar cleaner head with… vs Digital Motorbar with de-tangling hair…
Floor types: Hard floors, tile, area rugs, carpets vs Hard floors

Big homes

A large home in one session: runtime, bin size, a dock that empties itself

For big homes, buy the Dyson V15s Detect Submarine.

Leads 3 of 3 rankable big homes specs.
Max runtime: 60 minutes vs 40 minutes
Bin capacity: 0.77 L dry bin / 300 mL clean water tank +… vs 0.54 L
Dyson V8 Absolute is $430 cheaper. Pay the difference only if max runtime matters to you.

Stairs & apartments

Stairs and apartments: light in the hand, quiet, easy to park

For stairs & apartments, buy the Dyson V8 Absolute.

Leads 2 of 2 rankable stairs & apartments specs.
Weight: 5.8 lb vs 6.8 lb
Noise: ~75 dB vs ~76–80 dB
It is also $430 cheaper.

Every answer above is scored from published figures. A lens uses only the rows that matter for that use, including marked rows that are not on the official sheet. Switch lenses interactively in the panel above.

Done deciding?

Open the full standalone spec sheet for either device.

Dyson V8 Absolute spec sheet Dyson V15s Detect Submarine spec sheet

Manufacturer pages: Dyson V8 Absolute ↗ · Dyson V15s Detect Submarine ↗

Common questions

Which is cheaper, the Dyson V8 Absolute or the Dyson V15s Detect Submarine?

Dyson V8 Absolute costs $430 less at list price.

What is the biggest catch with the Dyson V8 Absolute or Dyson V15s Detect Submarine?

Dyson V8 Absolute has this deal-breaker: under 50 minutes of runtime. A larger home needs a mid-clean recharge.

Which is better for pets & carpet, the Dyson V8 Absolute or the Dyson V15s Detect Submarine?

Too close to call on pets & carpet from the spec sheets. Only suction is rankable here. Anti-tangle: De-tangling Motorbar cleaner head with… vs Digital Motorbar with de-tangling hair… Floor types: Hard floors, tile, area rugs, carpets vs Hard floors

What cannot be compared from spec sheets?

Of the 19 specs tracked here, 12 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.

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