
Ninja QB900B Master Prep
Score: 79/100
Hamilton Beach Cordless Mini Food Processor Black
Score: 83/100
Rankings

The Hamilton Beach Cordless Mini Food Processor provides powerful 350 W performance in a portable, battery-operated package with a quick-charge system. Its lack of speed settings and limited 4-cup bowl reduce flexibility for larger or finer tasks. Best for small households or on-the-go users who value cordless convenience.

The Ninja QB900B Master Prep combines a 400-W motor, quad-blade system and interchangeable 48-oz pitcher with a 16-oz chopper bowl, providing strong blending and chopping performance. Its single-speed pulse operation and lightweight construction may limit precise texture control and perceived sturdiness. Great for small households needing a space-saving 2-in-1 blender and processor.
| Attribute | ![]() | ![]() |
|---|---|---|
400 Wbest | 350 W | |
0.473 L | 0.95 Lbest | |
| ↓ lower better | 1.814 kg | 1.29 kgbest |
— | 12.6 Vbest | |
4best | — | |
1 yearsbest | 1 yearsbest | |
9best | 6 | |
33.98 cmbest | 21.6 cm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Capacity & Performance(1) | ||
Bowl Capacity (L) | 0.473 L | 0.95 L |
Battery & Power(1) | ||
Motor Power (W) | 400 W | 350 W |
Controls(1) | ||
Control Type | one-touch pulse | press_down_lid |
Accessories(1) | ||
Number of Included Accessories | 9 | 6 |
Build & Design(6) | ||
Weight (kg) | 1.814 kg | 1.29 kg |
Height (cm) | 33.98 cm | 21.6 cm |
Width (cm) | 15.97 cm | 13.3 cm |
Depth (cm) | 22.0 cm | 15.0 cm |
Blade Material | stainless steel | stainless_steel |
Blade Type | quad blade | chopping_blade |

Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Ninja QB900B's 400 W motor and Quad Blade system for superior ice crushing and uniform chopping, while praising the interchangeable pod for versatile prep. They note the convenience of dishwasher-safe parts and a compact footprint, but point out the lack of variable speed options and the occasional difficulty cleaning blade crevices.
Everyday users overwhelmingly praise the unit for its smooth blending, strong performance on daily smoothies, and space-saving design. Common themes include appreciation for the easy-to-clean top-motor layout and the ability to handle nuts and herbs, while the primary complaints revolve around blade cleaning and the perception of a lightweight, less solid feel.

“Works incredibly fast... great addition to our appliances”

“Love it. This is one 4 cup chopper”



Professional sources, including Hamilton Beach's own video demo, praise the cordless convenience, fast 350 W motor, and quick-charge battery, describing the unit as ideal for quick, on-the-spot food processing without the constraints of a power cord. The commentary is largely promotional, focusing on ease of use and portability, with no significant drawbacks highlighted.
Everyday users echo the professional sentiment, highlighting the device's speed, cordless freedom, and easy cleaning. The most common praise centers on rapid chopping and the ability to use the chopper anywhere, while the primary criticism revolves around the limited 4-cup capacity and the need to recharge for extended sessions.
