Introduction
Choosing the right robot vacuum can feel overwhelming when faced with multiple options from different brands. The Cecotec Conga X70 and both Dreame models—the D20 and L10s Ultra Gen 2—represent distinct approaches to automated cleaning. The Conga X70 arrived in 2025 as Cecotec's answer to premium robot vacuums, whilst Dreame launched the D20 the same year as a more streamlined option. The L10s Ultra Gen 2, released in 2024, sits somewhere between these two in terms of features and capabilities.
What makes this comparison particularly interesting is how differently each manufacturer has positioned their product. The Conga X70 and L10s Ultra Gen 2 both include multifunctional bases that handle mop washing and drying, whilst the D20 takes a minimalist approach without a self-emptying base. This fundamental difference shapes everything from maintenance requirements to overall cleaning performance, particularly when it comes to mopping tasks.
Power and Suction
Suction power varies considerably across these three models. The Cecotec Conga X70 leads with 15,000 Pa, giving it a noticeable advantage for deep carpet cleaning and extracting embedded dirt. The Dreame D20 follows at 13,000 Pa, which still provides robust performance for most households. The L10s Ultra Gen 2 sits at 10,000 Pa—lower than its competitors here, though still adequate for hard floors and low-pile carpets.
Brush configuration differs significantly. The Conga X70 uses a traditional bristle brush, which can be effective but tends to trap hair more readily. Dreame has equipped the D20 with their dual HyperStream brush system, designed specifically to minimise hair tangles through its twin-brush design anchored at one end. The L10s Ultra Gen 2 opts for a simpler single brush setup. None of these models feature brush elevation during mopping, nor do they include extendable or liftable side brushes.
The Conga X70's ability to overcome 30mm obstacles gives it an edge in homes with thick rugs or higher door thresholds. Both Dreame models max out at 20mm, which handles most standard transitions but may struggle with particularly tall obstacles.
Mopping Performance
This is where the comparison becomes particularly stark. The Cecotec Conga X70 and Dreame L10s Ultra Gen 2 both feature rotating dual mops that actively scrub floors rather than simply dragging a cloth across surfaces. The D20, conversely, uses a static mop—a much more basic approach that limits cleaning effectiveness.
Mop extension makes a real difference when cleaning along skirting boards and into corners. Both the Conga X70 and L10s Ultra Gen 2 extend their mops to reach these awkward areas. The L10s Ultra Gen 2 adds a swing motion that helps push the mop slightly under furniture edges. The D20 offers none of these features.
Mop lifting height varies between the two equipped models. The Conga X70 raises its mops 8mm when moving over carpets, whilst the L10s Ultra Gen 2 achieves 10.5mm elevation. The D20 doesn't lift its mop at all, meaning you'll need to remove it manually before vacuuming carpeted areas.
Base functionality creates the biggest divide. The Conga X70 and L10s Ultra Gen 2 both wash mops with cold water and dry them using warm air, preventing odours and keeping the cleaning pads fresh between uses. The D20 requires manual mop maintenance—you'll be washing and drying them yourself after each cleaning session. The L10s Ultra Gen 2 sweetens the deal with a detergent dispenser, automatically adding cleaning solution during mop washing.
Navigation System
All three robots use LiDAR tower navigation combined with front-mounted 3D laser sensors for obstacle detection. This dual-sensor approach helps them map efficiently whilst avoiding collisions.
The Cecotec Conga X70 distinguishes itself with an AI camera, adding visual recognition to its navigation toolkit. This allows for more sophisticated room understanding, though it doesn't translate to specific object recognition in the available specifications. Neither Dreame model includes a camera.
The Dreame L10s Ultra Gen 2 brings CleanGenius AI into play, which optimises cleaning patterns based on room conditions. It's also the only model here that recognises pets, potentially adjusting its behaviour around animals. The D20 and Conga X70 lack both these features.
None of these robots offer remote camera access, LED lighting for night vision, or curtain detection.
Battery and Autonomy
Battery capacity is identical across all three models at 5,200 mAh. Runtime data is only available for the L10s Ultra Gen 2, which manages 240 minutes on a single charge—enough for substantial homes without requiring a mid-clean recharge.
Whilst specific runtime figures aren't provided for the Conga X70 and D20, their matching battery capacity suggests comparable performance. The real-world difference will likely come down to suction power settings and whether you're vacuuming, mopping, or doing both simultaneously.
Smart Features
Voice control compatibility splits along brand lines. Both Dreame models work with external assistants like Alexa and Google Home, making them easy to integrate into existing smart home setups. The Cecotec Conga X70 doesn't support these assistants, limiting hands-free control options.
The Conga X70's superior obstacle-climbing ability—30mm versus 20mm on the Dreame models—can be genuinely useful in homes with varied flooring heights or substantial rugs. This 10mm difference might seem minor on paper but translates to fewer stuck situations in practice.
Multifunctional Base
The base station situation creates three entirely different ownership experiences. The Cecotec Conga X70 includes a full multifunctional base with a 2.5-litre dust bag, 4-litre clean water tank, and 3.5-litre dirty water reservoir. It automatically empties the robot's dustbin, washes mops with cold water, and dries them using warm air.
The Dreame L10s Ultra Gen 2 offers similar functionality but with larger capacities: a 3.2-litre dust bag, 4.5-litre clean water tank, and 4-litre dirty water tank. The extra capacity means less frequent refilling and emptying. It also includes that detergent dispenser and offers an optional plumbing connection kit (sold separately) for permanent water supply, though this requires additional purchase and installation.
The Dreame D20 has no multifunctional base whatsoever. You'll manually empty its 700ml onboard dustbin and 350ml water tank, plus handle all mop cleaning yourself. This creates significantly more hands-on maintenance.
Dimensions
Height differences are worth noting if you have low-clearance furniture. The Dreame D20 measures just 96.8mm tall, with the L10s Ultra Gen 2 barely higher at 97mm. The Cecotec Conga X70 stands at 110mm—13mm taller than the D20. This could determine whether the robot fits under certain sofas or bed frames.
Diameter varies slightly: the Conga X70 measures 340mm across, whilst both Dreame models are 350mm. These 10mm won't make much practical difference in navigation.
Base footprint tells a different story. The D20's base is remarkably compact at just 126mm wide, 130mm deep, and 92.6mm tall—essentially a simple charging dock. The Conga X70's base occupies 340mm × 425mm × 450mm, whilst the L10s Ultra Gen 2 requires 340mm × 456.7mm × 590.5mm. If floor space is tight, these larger bases demand careful placement consideration.
Real-World Usage
For homes with pets, the Dreame D20's dual HyperStream brush system offers clear advantages in managing hair tangles, though its lack of automatic emptying means you'll still handle that hair manually when emptying the dustbin. The L10s Ultra Gen 2 combines pet recognition with automatic emptying, reducing contact with pet hair significantly. The Conga X70's bristle brush may require more frequent maintenance if you have shedding animals.
Large homes benefit most from the L10s Ultra Gen 2's confirmed 240-minute runtime and larger base tanks. The 4.5-litre clean water capacity supports extended mopping sessions without refills. The Conga X70's tanks are slightly smaller but still substantial. The D20's 350ml onboard water tank will need frequent refilling in bigger properties.
Households prioritising mopping quality should focus on the two models with rotating mops and multifunctional bases. The difference between active mop washing and manual maintenance becomes particularly apparent when cleaning regularly. The D20 simply can't match the mopping performance of its competitors.
The Conga X70's superior suction power makes it the strongest choice for deep-pile carpets or homes with embedded dirt challenges. Its 15,000 Pa provides noticeably more extraction force than the alternatives.
Conclusion: Which Should You Choose?
Choose the Cecotec Conga X70 if you want the highest suction power available here and value AI camera navigation. It suits homes with challenging carpets, thick rugs requiring the 30mm climbing ability, and users who appreciate having a complete multifunctional base without needing voice assistant integration. The combination of 15,000 Pa suction, rotating mops with extension, and automated mop maintenance makes it a comprehensive cleaning solution.
Choose the Dreame D20 if budget is your primary concern and you're comfortable with hands-on maintenance. This works best in smaller homes where the 700ml dustbin and 350ml water tank won't need constant attention, and where you don't mind manually washing mops. The dual HyperStream brush helps with hair management, and voice assistant compatibility adds convenience. Just understand you're sacrificing automated maintenance entirely.
Choose the Dreame L10s Ultra Gen 2 if you want the most complete automated experience with pet-friendly features. The CleanGenius AI, pet recognition, larger base tanks, detergent dispenser, and option for plumbing connection create the lowest-maintenance ownership experience. The 240-minute runtime handles substantial properties, whilst the 10.5mm mop lift and swinging motion deliver thorough edge cleaning. It's the best all-rounder for hands-off cleaning, particularly in pet households, despite having the lowest suction power of the three.
