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Ninja BL660 Professional Compact Smoothie & Food vs Ninja SS151 TWISTi Blender DUO, High-Speed 1600 WP

Updated August 2026 — Ninja SS151 TWISTi Blender DUO, High-Speed 1600 WP leads on ease of use and power.

The Ninja SS151 offers superior power and versatility at a lower price, making it the better choice for most users.

Why Ninja BL660 Professional Compact Smoothie & Food is better

Price

BL660 is slightly more expensive.

Capacity

BL660 has a larger pitcher.

Popularity

BL660 has a higher bestseller rank.

Why Ninja SS151 TWISTi Blender DUO, High-Speed 1600 WP is better

Power

SS151 has a 1600 peak watt motor.

Functions

SS151 offers 5 blending functions.

Ease of Use

SS151 features Auto-IQ technology.

Overall score

Ninja BL660 Professional Compact Smoothie & Food
78
Ninja SS151 TWISTi Blender DUO, High-Speed 1600 WP
85

Specifications

SpecNinja BL660 Professional Compact Smoothie & FoodNinja SS151 TWISTi Blender DUO, High-Speed 1600 WP
Motor Power1100 Watts1600 Watts
Pitcher Capacity72 oz34 oz
Speed Settings35
Dishwasher SafeYesYes
Auto-IQNoYes

Dimension comparison

Ninja BL660 Professional Compact Smoothie & FoodNinja SS151 TWISTi Blender DUO, High-Speed 1600 WP

Design and Build Quality

Both the Ninja BL660 Professional Compact Smoothie & Food Processing Blender and the Ninja SS151 TWISTi Blender DUO feature a sleek design aimed at modern kitchens, but their build quality varies slightly. The BL660 has a powerful 1100-watt motor, which is robust for handling tough ingredients, while the SS151 boasts a higher 1600 peak watt motor, enhancing its ability to blend and extract nutrients. The BL660 comes with a 72 oz. pitcher and two 16 oz. to-go cups, promoting versatility in serving sizes. In contrast, the SS151 includes a 34 oz. power pitcher and two single-serve cups with lids. While the BL660's larger pitcher is great for families, the SS151's smaller size makes it suitable for quick, single servings.

Performance

When it comes to performance, the Ninja SS151 excels with its 1600 peak watts, making it capable of blending tougher ingredients without stalling. The built-in Twist Tamper helps push ingredients down towards the blades, ensuring a smooth blend every time. The BL660, with its 1100 watts, is also effective but might require more manual intervention for dense mixtures. It features Total Crushing Blades that can turn ice into snow within seconds. Thus, while both blenders are powerful, the SS151 offers superior performance for those seeking a more efficient blending experience.

Versatility

The Ninja BL660 offers three manual speeds along with a dedicated single-serve function, making it versatile for various blending needs. With its ability to make frozen drinks, smoothies, and sauces, it caters well to diverse culinary applications. Meanwhile, the SS151 shines with five distinct functions, including Smoothies, Spreads, and Bowls, thanks to its Auto-IQ technology, which simplifies the blending process. This feature allows users to create a variety of recipes with minimal effort. Therefore, while both blenders are versatile, the SS151 provides more options for creative culinary endeavors.

Ease of Use

Both blenders are designed with user-friendliness in mind, but the SS151 has a slight edge due to its Auto-IQ technology, which automates the blending process. This feature takes the guesswork out of making drinks, allowing users to enjoy consistent results with the touch of a button. The BL660 also emphasizes convenience with its to-go cups, enabling easy transport of smoothies and shakes. Each product's components are dishwasher safe, ensuring that cleaning up after use is hassle-free. Thus, while both blenders are user-friendly, the automated features of the SS151 make it easier for novice users.

Cleaning and Maintenance

Cleaning and maintaining the Ninja BL660 and SS151 is straightforward, as both models feature dishwasher-safe parts. This means you can easily pop the removable components in the dishwasher for a thorough clean. The BL660, with its larger pitcher, may take up more space in the dishwasher, but its BPA-free materials ensure safety during cleaning. The SS151, while featuring a smaller pitcher, also includes a drizzle cap for adding ingredients while blending, which adds to its versatility but requires additional cleaning. Overall, both blenders are designed for easy maintenance, but the SS151’s more compact components might make it slightly easier to manage.

Pricing

The Ninja BL660 is priced at $139.99, while the Ninja SS151 comes in at $129.95, making the SS151 about 8% cheaper. Despite the price difference, the SS151 offers a higher wattage motor and more blending functions, potentially providing better value for money. The BL660 is a strong contender with its larger pitcher and two to-go cups, ideal for families or entertaining. However, for those who prioritize power and function, the lower-priced SS151 may represent a better investment, especially given its enhanced capabilities.

Bestseller Rank

In terms of popularity, the Ninja BL660 holds a bestseller rank of 356, indicating strong consumer demand and satisfaction. The SS151, with a rank of 4911, suggests it is less frequently purchased but still well-regarded. This difference in rank may stem from the BL660’s appeal to a broader audience looking for a versatile blender with a larger capacity. Nevertheless, the SS151’s advanced features may attract those specifically seeking high-performance blending, suggesting that while the BL660 is popular, the SS151 offers specialized functions that could sway discerning buyers.

Which should you buy?

Choosing between the Ninja BL660 and the Ninja SS151 depends largely on your blending needs and preferences. If you value a larger capacity and a proven track record of performance, the BL660 is an excellent choice, especially for families or parties. However, if you're looking for a more powerful machine with innovative features like Auto-IQ technology and a built-in Twist Tamper, the SS151 offers superior versatility for smoothies and other blends at a slightly lower price. Ultimately, both models are high-quality blenders, but your decision should align with the specific functions and capacities you require.