Kuvings Power Blender KPB351S
Score: 86/100
Ninja SS151 TWISTi
Score: 81/100Rankings
The Kuvings Power Blender KPB351S is a commercial-grade 1600 W blender featuring 3D moving blades, a 2.3 L BPA-free Tritan jar and extensive safety and speed controls. Its premium price and sizable footprint make it less ideal for tight budgets or small spaces. Suited for enthusiasts and cafés needing high-performance, quiet blending for large volumes.

The Ninja TWISTi Blender DUO is a high-speed countertop blender with a powerful 1600 W motor and innovative Twist Tamper for thick blends. Its plastic pitcher and heavier build may deter users seeking a more premium feel. Ideal for health-enthusiasts who need versatile single-serve and family-size blending in a compact kitchen.
| Attribute | Kuvings Power Blender KPB351S | ![]() |
|---|---|---|
1,600 Wbest | 1,600 Wbest | |
2.3 Lbest | 1 L | |
| ↓ lower better | 4.54 kg | 3.26 kgbest |
120 Vbest | — | |
10best | 7 | |
7 yearsbest | 1 years | |
32,000 RPMbest | — | |
4 | 8best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Kuvings Power Blender KPB351S | ![]() |
|---|---|---|
Controls(1) | ||
Speed Settings | 10 | 7 |
General(1) | ||
Warranty (years) | 7 years | 1 years |
Accessories(1) | ||
Included Accessories | 4 | 8 |
Build & Design(4) | ||
Capacity (L) | 2.3 L | 1.0 L |
Weight (kg) | 4.54 kg | 3.26 kg |
Dimensions (H×W×D) (cm) | 48.3×31.8×30.5 cm | 35.1×21.1×16.5 cm |
Container Material | BPA‑free Tritan | plastic |

Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Kuvings KPB351S for its powerful motor, versatile triple-blade system, and user-friendly controls. The auto-blending function, quick-clean mode, and robust accessory package were highlighted as standout features that make it well-suited for both home enthusiasts and commercial settings.
No consumer reviews or direct user feedback were found for this model, so everyday user sentiment cannot be assessed at this time.

Professional reviewers commend the Ninja TWISTi Blender DUO for its powerful 1600 W motor, SmartTORQUE technology, and the innovative built-in Twist Tamper that prevents stalling on thick blends. The Auto-iQ preset programs are praised for delivering consistent results with minimal effort, and overall performance, especially ice crushing, is rated very good and comparable to premium competitors, though the plastic jar and lack of a metal drive system are noted as drawbacks.
Everyday users consistently highlight the blender's ability to handle thick, spoon-able textures, the convenience of one-touch presets, and the ease of cleanup thanks to dishwasher-safe parts. Common praise centers on the high power, the handy Twist Tamper, and the inclusion of portable cups, while recurring complaints involve confusion over wattage, inconsistent retailer specifications, and disappointment with the plastic pitcher.
