Ninja BL642 Nutri Ninja Personal & Countertop vs Oster Extreme Mix Blender,
Updated August 2026 — Ninja BL642 Nutri Ninja Personal & Countertop wins on capacity and cleaning, Oster Extreme Mix Blender, wins on power and durability.
The Ninja BL642 offers better portability and value, while the Oster Extreme Mix excels in power and blade performance.
Why Ninja BL642 Nutri Ninja Personal & Countertop is better
Price
Ninja is $39.71 cheaper
Portability
Ninja includes three sizes of to-go cups
Ease of Use
Ninja's Auto-iQ technology simplifies blending
Why Oster Extreme Mix Blender, is better
Power
Oster has a 1,600-peak-watt motor
Blade Performance
Oster features a patented 10-point blade stack
Durability
Oster's glass jar is shatterproof
Overall score
Specifications
| Spec | Ninja BL642 Nutri Ninja Personal & Countertop | Oster Extreme Mix Blender, |
|---|---|---|
| Motor Power | 1200W | 1600W |
| Jar Material | Plastic | Glass |
| Auto Programs | Yes | Yes |
| Dishwasher Safe | Yes | Yes |
| BPA Free | Yes | No |
Dimension comparison
Overview of the Ninja BL642 and Oster Extreme Mix Blenders
The Ninja BL642 Nutri Ninja and the Oster Extreme Mix Blender are both powerful kitchen appliances designed to simplify blending tasks. With a price difference of about $39.71, the Ninja is currently priced at $149.99, while the Oster is at $189.70. Each blender offers unique features and capabilities that cater to different blending needs, making them worthy contenders in the blender market.
Performance and Power
In terms of power, the Oster Extreme Mix Blender outshines the Ninja BL642 with its robust 1,600-peak-watt motor compared to the Ninja's 1,200-watt motor. This gives the Oster a significant performance edge when it comes to pulverizing tough ingredients like ice and frozen fruits. The Ninja, however, excels with its Total Crushing Technology, enabling it to create creamy smoothies and frozen drinks in seconds. While the Oster may handle larger tasks more efficiently, the Ninja is well-equipped for quick, nutrient-rich blends.
Design and Build Quality
The Ninja BL642 features a 72 oz. Total Crushing Pitcher made for large batches, making it ideal for families or gatherings. Meanwhile, the Oster Extreme Mix comes with a 64 oz. Boroclass glass jar that is shatterproof and dishwasher-safe. The glass construction of the Oster adds a level of durability and ease of cleaning, though it may be heavier and more breakable than the Ninja’s plastic pitcher. Both blenders are designed for frequent use, but the choice between plastic and glass may influence your preference.
Ease of Use
The Ninja BL642 employs Auto-iQ technology, which simplifies the blending process with intelligent programs that automate pulsing, blending, and pausing. This feature makes it easier for users to create consistent blends without guesswork. On the other hand, the Oster Extreme Mix offers iBlend preset functions that provide one-touch blending for various recipes, which is also user-friendly. While both blenders prioritize convenience, the Ninja's Auto-iQ technology gives it a slight advantage in terms of automation.
Blade Design and Performance
Blade performance is critical in a blender, and here the Oster Extreme Mix takes the lead with its patented 10-point blade stack featuring titanium-coated blades designed for superior blending. This design allows for more even and thorough blending of ingredients. The Ninja’s Pro Extractor Blades, although efficient, may not match the extensive capabilities of the Oster’s advanced blade technology. Thus, for those who prioritize blade performance, the Oster may be a better choice.
Portability and On-the-Go Features
The Ninja BL642 shines in portability, offering three sizes of single-serve cups (18 oz, 24 oz, and 32 oz) with spout lids for easy transportation of smoothies. This feature is perfect for users who are always on the go and need quick, portable options. The Oster Extreme Mix, while featuring a 24 oz. Blend-N-Go cup, does not provide the same variety of cup sizes, making the Ninja a more versatile choice for those who prefer to blend and take their drinks with them.
Cleaning and Maintenance
When it comes to cleaning, both blenders offer dishwasher-safe components, which is a significant convenience for users. However, the Ninja BL642’s plastic parts may be easier to handle and clean compared to the heavier glass jar of the Oster. The Ninja’s parts are also BPA-free, adding to its appeal for health-conscious consumers. While both blenders are designed for low-maintenance cleaning, the Ninja may be more user-friendly in this regard.
Price Comparison
The Ninja BL642 is priced at $149.99, while the Oster Extreme Mix is available for $189.70. This places the Ninja at about 21% cheaper than the Oster. Given the features and performance of both blenders, the Ninja offers a compelling value proposition for those looking for high-quality blending without breaking the bank. The Oster, while more expensive, provides additional power and a glass jar that some users may prefer.
Which should you buy?
Ultimately, your choice between the Ninja BL642 Nutri Ninja and the Oster Extreme Mix Blender will depend on your specific blending needs and preferences. If you prioritize power and the durability of a glass jar, the Oster may be your best bet. However, if you seek convenience, portability, and a more budget-friendly option, the Ninja BL642 stands out. Both blenders excel in their respective areas, making either a solid addition to your kitchen.

