Between the V15s Detect Submarine and V8 (2024), the V15s Detect Submarine comes out ahead in suction (aw) / battery, while the V8 (2024) wins on weight. Overall, the V15s Detect Submarine scores 86 and the V8 (2024) scores 55.5 on our Mars Score.
Which should you buy?
The V15s Detect Submarine is the clear pick on raw spec strength, leading by 30.5 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the V15s Detect Submarine if you care most about suction (aw) / battery. The biggest gaps in its favor are suction (aw), battery, dustbin.
Pick the V8 (2024) if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.
Both ship with comparable cordless, so those specs do not separate the two — focus on the differences below.
Bottom line: the V15s Detect Submarine is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Dyson - V15s Detect Submarine wins
- ▲Suction (AW) — 108.70% more. 240 vs 115.
- ▲Battery — 50.00% more. 60 min vs 40 min.
- ▲Dustbin — 42.59% more. 0.77 L vs 0.54 L.
Why Dyson - V8 (2024) wins
- ▲Weight — 0.95 kg less. 2.55 vs 3.5.
Spec comparison
Performance
| Spec | Dyson - V15s Detect Submarine | Dyson - V8 (2024) |
|---|---|---|
| Suction (AW) | 240lead | 115 |
| Dustbin | 0.77 Llead | 0.54 L |
| Filter | HEPA H13 | HEPA |
Design
| Spec | Dyson - V15s Detect Submarine | Dyson - V8 (2024) |
|---|---|---|
| Type | Wet/dry cordlesslead | Cordless stick |
| Cordless | true | true |
| Weight | 3.5 kg | 2.55 kglead |
| Battery | 60 minlead | 40 min |
Spec-level deep dives
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