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  3. VR3400 2in1 Real Force Laser vs SRV 9020BK

Concept VR3400 2in1 Real Force Laser vs Sencor SRV 9020BK

What VR3400 2in1 Real Force Laser does better (4) and where SRV 9020BK wins (3) — every spec side by side.

Concept VR3400 2in1 Real Force Laser
5.7Score
4 advantages≈ US$270
Higher score
vs
Sencor SRV 9020BK
Sencor · 2025SRV 9020BK
4.4Score
3 advantages≈ US$250
2.7Cleaning power4.0
3.0Navigation2.8
3.5Base station3.5
8.7Battery3.5
Dimensions

Size comparison

VR3400 2in1 Real Force LaserSRV 9020BK
350 × 100350320 × 97320
VR3400 2in1 Real Force LaserSRV 9020BKDifference
Height100 mm97 mm+3 mm
Width / diameter350 mm320 mm+30 mm
Length350 mm320 mm+30 mm

Drawn to the same scale from the official dimensions (front and side).

Why is VR3400 2in1 Real Force Laser better than SRV 9020BK?

  1. Runtime300 min vs 130 min2.3×
  2. Battery capacity5,200 mAh vs 2,600 mAh2×
  3. Suction power4,000 Pa vs 3,000 Pa+33%
  4. Threshold climbing18 mm vs 16 mm+12%

Why is SRV 9020BK better than VR3400 2in1 Real Force Laser?

  1. Height100 mm vs 97 mm+3%
  2. Noise level75 dB vs 60 dB+25%
  3. Dustbin (robot)300 ml vs 340 ml+13%
Specifications

Side by side

Sencor SRV 9020BKSencor SRV 9020BK≈ US$2504.4
Suction & cleaning
Suction power4,000 Pa3,000 Pa
Dustbin (robot)300 ml340 ml
Main brushSingle main brush—
Side brushes21
Carpet detectionYes—
HEPA filterYesYes
Noise level75 dB60 dB
Navigation & obstacles
NavigationLaser (LiDAR)Laser (LiDAR)
Navigation sensorsLiDAR laser (LDS), Wall sensorLiDAR laser (LDS), Cliff sensors
Obstacle avoidanceBasic sensors (infrared / bumper)Basic sensors (infrared / bumper)
Threshold climbing18 mm16 mm
No-go zones / virtual wallsYesYes
Room mapping & room selectionYesYes
Mopping
Mop type—Mop pad
Water tank (robot)250 ml250 ml
Base station
Base stationCharging dockCharging dock
Battery & runtime
Battery capacity5,200 mAh2,600 mAh
Runtime300 min130 min
Charging time300 min300 min
Size & weight
Width / diameter350 mm320 mm
Length350 mm320 mm
Height100 mm97 mm
Weight—2.8 kg
ShapeRoundRound
ColoursBlackBlack
App & smart home
App controlYesYes
Voice assistantsAmazon Alexa, Google Assistant—
Remote controlYesYes
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