
Ninja QB900B Master Prep
Score: 79/100
OXO Good Grips Vegetable Onion Chopper White
Score: 79/100Rankings

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.

The OXO Good Grips Vegetable and Onion Chopper with Easy-Pour adds a convenient pour opening and soft non-slip grip to a stainless-steel grid, remaining dishwasher-safe and BPA-free. Its mid-size bowl and lack of multiple dice options limit large-batch use. Great for everyday chopping and baby-food prep.
| Attribute | ![]() | ![]() |
|---|---|---|
400 Wbest | — | |
0.473 Lbest | — | |
| ↓ lower better | 1.814 kg | 0.54 kgbest |
4best | — | |
1 yearsbest | — | |
9best | — | |
33.98 cmbest | 13.2 cm | |
15.97 cm | 21.6 cmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Controls(1) | ||
Control Type | one-touch pulse | Manual |
Build & Design(6) | ||
Weight (kg) | 1.814 kg | 0.54 kg |
Height (cm) | 33.98 cm | 13.2 cm |
Width (cm) | 15.97 cm | 21.6 cm |
Depth (cm) | 22.0 cm | 10.1 cm |
Blade Material | stainless steel | Stainless Steel |
Blade Type | quad blade | Grid |

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.



Everyday users consistently highlight the chopper's efficiency, ease of use, and convenient easy-pour feature. Reviews often mention its usefulness for baby food preparation, quick cleanup in the dishwasher, and good value for the price, with no major complaints surfacing in the available data.