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  1. Home
  2. Blender
  3. Compare
  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Dimensions
    2. Build Quality
    3. Jar Capacity
    4. Jar/Beaker Materials
    5. Blades
    6. Lid
    7. Power Cord
    8. In The Box
  5. Performance
    1. Fibrous Ingredients (Small Batches)
    2. Fibrous Ingredients (Full Capacity)
    3. Crushed Ice
    4. Nut Butter
    5. Noise
    6. Blade Speed
  6. Ease Of Use
    1. Controls And Programs
    2. Cleaning
  7. Comments

Ninja Blender Duo with Auto-iQ BL642 vs Ninja Professional Plus Blender DUO with Auto-iQ

Side-by-Side Comparison

Products

Ninja Blender Duo with Auto-iQ BL642
Ninja Professional Plus Blender DUO with Auto-iQ

Tested using Methodology v1.0

Updated Sep 24, 2024 05:16 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.0

Updated Nov 26, 2024 02:20 PM

SEE PRICE
Amazon.com
Ninja Blender Duo with Auto-iQ BL642 Picture
Ninja Professional Plus Blender DUO with Auto-iQ Picture
Blender Type
Full Size Blender
Power
1,200 W
Hot Blending
No
Blender Type
Full Size Blender
Power
1,200 W
Hot Blending
No
  1. Recommended in 1 article:
  2. Quiet

Variants

  • BL642 (Black)
  • BL640 (Black)
  • BL641 (Black/Silver)
  • BN751 (Black)
  • BN750 (Black)
  • BN753TGT (Black)
  • DB751A (Black)

Review

See Ninja Blender Duo with Auto-iQ BL642 review

See Ninja Professional Plus Blender DUO with Auto-iQ review

1
0

Our Verdict

Ninja Blender Duo with Auto-iQ BL642

Ninja Professional Plus Blender DUO with Auto-iQ

The Ninja Blender Duo with Auto-iQ BL642 and the Ninja Professional Plus Blender DUO with Auto-iQ are similar blenders. The BL642 comes with a 72-ounce pitcher and three personal jars for single-serve smoothies, and the DUO comes with the same 72-ounce pitcher and only one personal jar. The DUO is quieter and makes a smoother blend with big batches of fibrous ingredients. Otherwise, they perform about the same.

0

Check Price

Black
BL642
SEE PRICE
Amazon.com
Black
BN750
SEARCH
Amazon.com
Black
BL640
SEARCH
Amazon.com
Black
BN751
SEE PRICE
Amazon.com
Black/Silver
BL641
SEE PRICE
Amazon.com
Black
BN753TGT
SEARCH
Amazon.com
 
Black
DB751A
SEARCH
Amazon.com

Main Differences for

Threshold 

0.10

Multi-Purpose 

6.9
7.0
No major differences between these blenders for multi-purpose. See full list of tests below.

Full Comparison

Design

Dimensions 
 

Blender Type 
 

Full Size Blender
Full Size Blender

Box Picture  

Ninja Blender Duo with Auto-iQ BL642 Box Picture
Ninja Professional Plus Blender DUO with Auto-iQ Box Picture

Height 
 

17.8" (45.2 cm)
17.6" (44.6 cm)

Width  

7.6" (19.2 cm)
7.3" (18.5 cm)

Depth  

10.0" (25.5 cm)
8.7" (22.2 cm)

Weight 
 

8.8 lbs (4.0 kg)
8.2 lbs (3.7 kg)

Shaft Length (Immersion Blenders) 
 

N/A
N/A

Show text

Build Quality 
 

8.0
8.0

Build Quality Picture  

Ninja Blender Duo with Auto-iQ BL642 Build Quality Picture
Ninja Professional Plus Blender DUO with Auto-iQ Build Quality Picture

Show text

Jar Capacity 
 

9.8
9.8

Main Jar Capacity 
 

72.0 oz (2,129 ml)
72.0 oz (2,129 ml)

Additional Jar Capacity 
 

32.0 oz (946 ml)
24.0 oz (710 ml)

Show text

Jar/Beaker Materials 
 

Jar Picture  

Ninja Blender Duo with Auto-iQ BL642 Jar Picture
Ninja Professional Plus Blender DUO with Auto-iQ Jar Picture

Optional Jar Picture  

Ninja Blender Duo with Auto-iQ BL642 Optional Jar Picture
Ninja Professional Plus Blender DUO with Auto-iQ Optional Jar Picture

Jar/Beaker Material 
 

BPA-Free Plastic
BPA-Free Plastic

Dishwasher Safe 
 

Yes
Yes

Show text

Blades 
 

Blades Picture  

Ninja Blender Duo with Auto-iQ BL642 Blades Picture
Ninja Professional Plus Blender DUO with Auto-iQ Blades Picture

Blade Type 
 

Sharp
Sharp

Blade Count 
 

6
6

Removable 
 

Yes
Yes

Dishwasher Safe 
 

Yes
Yes

Show text

Lid 
 

Lid Picture  

Ninja Blender Duo with Auto-iQ BL642 Lid Picture
Ninja Professional Plus Blender DUO with Auto-iQ Lid Picture

Two-Part Lid 
 

No
No

Lid Closing Type 
 

Lock Mechanism
Lock Mechanism

Show text

Power Cord  

Cable Picture  

Ninja Blender Duo with Auto-iQ BL642 Cable Picture
Ninja Professional Plus Blender DUO with Auto-iQ Cable Picture

Stow-Away Compartment 
 

Yes
Yes

Cord Length 
 

2.6 ft (0.8 m)
2.6 ft (0.8 m)

Show text

In The Box  

Bundle Picture  

Ninja Blender Duo with Auto-iQ BL642 Bundle Picture
Ninja Professional Plus Blender DUO with Auto-iQ Bundle Picture

Show text

Performance

Fibrous Ingredients (Small Batches) 
 

9.3
9.3

Fibrous Ingredients (Small Batches) Photo  

Ninja Blender Duo with Auto-iQ BL642 Fibrous Ingredients (Small Batches) Photo
Ninja Professional Plus Blender DUO with Auto-iQ Fibrous Ingredients (Small Batches) Photo

Jar Used 
 

Additional Jar
Additional Jar

Fibrous Ingredients (Small Batches) Video  

Fibrous Ingredients Processing 
 

8.5
8.5

Fibrous Ingredients Texture 
 

9.5
9.5

Show text

Fibrous Ingredients (Full Capacity) 
 

6.8
7.2

Fibrous Ingredients (Full Capacity) Photo  

Ninja Blender Duo with Auto-iQ BL642 Fibrous Ingredients (Full Capacity) Photo
Ninja Professional Plus Blender DUO with Auto-iQ Fibrous Ingredients (Full Capacity) Photo

Fibrous Ingredients (Full Capacity) Video  

Jar Used  

Main Jar
Main Jar

Fibrous Ingredients Processing 
 

6.0
6.0

Fibrous Ingredients Texture 
 

7.0
7.5

Show text

Crushed Ice 
 

10
10

Crushed Ice Photo  

Ninja Blender Duo with Auto-iQ BL642 Crushed Ice Photo
Ninja Professional Plus Blender DUO with Auto-iQ Crushed Ice Photo

Crushed Ice Video  

Crushed Ice Preparation 
 

10
10

Crushed Ice Texture 
 

10
10

Show text

Nut Butter 
 

8.1
8.4

Nut Butter Picture  

Ninja Blender Duo with Auto-iQ BL642 Nut Butter Picture
Ninja Professional Plus Blender DUO with Auto-iQ Nut Butter Picture

Nut Butter Video  

Nut Butter Preparation 
 

6.0
6.0

Nut Butter Texture 
 

9.5
10

Show text

Noise 
 

7.4
7.9

Noise @ Max Speed 
 

91.4 dB
88.8 dB

Noise Video  

Show text

Blade Speed 
 

Min Speed 
 

3,200 RPM
3,900 RPM

Power 
 

1,200 W
1,200 W

Max Speed 
 

4,600 RPM
4,900 RPM

Speed Adjustment Based On Jar Type 
 

Yes
No

Show text

Ease Of Use

Controls And Programs 
 

Control Panel  

Ninja Blender Duo with Auto-iQ BL642 Control Panel
Ninja Professional Plus Blender DUO with Auto-iQ Control Panel

On/Off Switch 
 

Yes
Yes

Speed Presets 
 

3
3

Hot Blending 
 

No
No

Speed Dial 
 

No
No

Pulse/Turbo Mode 
 

Yes
Yes

Programs 
 

4
2

Blending Time Indicator 
 

Yes
No

Programmable Timer 
 

No
No

Show text

Cleaning 
 

6.0
6.0

Self-Cleaning Video  

Cleaning Video  

Show text

Check Price

Black
BL642
SEE PRICE
Amazon.com
Black
BN750
SEARCH
Amazon.com
Black
BL640
SEARCH
Amazon.com
Black
BN751
SEE PRICE
Amazon.com
Black/Silver
BL641
SEE PRICE
Amazon.com
Black
BN753TGT
SEARCH
Amazon.com
 
Black
DB751A
SEARCH
Amazon.com
Back to Top

Ninja Blender Duo with Auto-iQ BL642

Ninja Professional Plus Blender DUO with Auto-iQ

Comments

  1. Comparison
 • Posted 1 year ago

Ninja Blender Duo with Auto-iQ BL642 vs Ninja Professional Plus Blender DUO with Auto-iQ: Main Discussion

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