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Logitech Signature M650 vs M240

Which Mouse Is Better?

    Top
    Main Differences
    Design
      StyleShapePortabilityBuild QualityWeightHand Size RecommendationWireless VersatilityCableMouse FeetIn The Box
    Control
      Main ButtonAdditional ButtonsClick LatencyCPISensor LatencySensor SpecificationsMouse WheelNoise
    Operating System And Software
      Configuration SoftwareMouse Compatibility
    Comments

Products

Logitech Signature M650
Logitech M240

Tested using Methodology v1.5.1

Updated Aug 05, 2025 07:43 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.5

Updated Aug 29, 2024 07:37 PM

SEE PRICE
Amazon.com
Logitech Signature M650 Picture
Logitech M240 Picture
ConnectivityWireless
Type
Standard
Default Weight
99.2 g
Ambidextrous
Shape Only
ConnectivityWireless
Type
Standard
Default Weight
77.5 g
Ambidextrous
True Ambidextrous
  1. Recommended in 1 article:
  2. Mouse

Our Verdict

Logitech Signature M650

Logitech M240

The Logitech Signature M650 and the Logitech M240 are wireless mice designed for everyday browsing and productivity. The Signature M650 is a bit larger and has two side buttons. It connects via Bluetooth or with its included USB receiver. On the other hand, the M240 is more compact and lacks side buttons. It connects via Bluetooth and doesn't include a USB receiver.

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Variants

  • Signature M650 (Black)
  • Signature M650 (Graphite)
  • Signature M650 (Off White)
  • Signature M650 (Rose)
  • M240 (Black)
  • M240 (Graphite)
  • M240 (Lavender)
  • M240 (Off-White)
  • M240 (Rose)

Review

See Logitech Signature M650 Review
See Logitech M240 Review
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Check Price

Black
Signature M650
SEE PRICE
Amazon.com
Black
M240
SEARCH
Amazon.com
Graphite
Signature M650
SEE PRICE
Amazon.com
Graphite
M240
SEE PRICE
Amazon.com
Rose
Signature M650
SEE PRICE
BestBuy.com
Rose
M240
SEE PRICE
Amazon.com
Off White
Signature M650
SEE PRICE
BestBuy.com
Lavender
M240
SEARCH
Amazon.com
 
Off-White
M240
SEE PRICE
Amazon.com
Read more

Main Differences for
Work

Threshold 

0.10

Work 

7.0
6.2

Additional Buttons 
 

5.9
3.1

Wireless Versatility 
 

9.2
6.6

Full Comparison

Design

Style  

Style Picture  

Logitech Signature M650 Style Picture
Logitech M240 Style Picture

Type 
 

Standard
Standard

Coating 
 

Matte
Matte

Lighting Color  

No Lighting
No Lighting
Show Text 

Shape  

3D Model  

Logitech Signature M650 3D Model
Logitech M240 3D Model

Length  

4.2" (107 mm)
3.9" (99 mm)

Width  

2.4" (61 mm)
2.4" (60 mm)

Height  

1.5" (38 mm)
1.5" (38 mm)

Grip Width 
 

52 mm
53 mm

Ambidextrous 
 

Shape Only
True Ambidextrous

Left-Handed Friendly 
 

Yes
Yes

Finger Rest 
 

No
No

Portability 
 

8.0

Portability picture  

Logitech M240 Portability picture

Box Volume 
 

13.73 in³ (225 cm³)

Receiver Storing 
 

Yes
Yes
Show Text 

Build Quality 
 

8.0
8.0

Build quality picture  

Logitech Signature M650 Build quality picture
Logitech M240 Build quality picture
Show Text 

Weight 
 

7.6
9.1

Minimum Weight Picture  

Logitech Signature M650 Minimum Weight Picture
Logitech M240 Minimum Weight Picture

Lowest Weight 
 

79.2 g
57.3 g

Default Weight 
 

99.2 g
77.5 g

Weight Distribution 
 

Back-heavy
Centered

Extra Weights 
 

No
No
Show Text 

Hand Size Recommendation 
 

Palm Grip Hand Recommendation 
 

Logitech Signature M650 Palm Grip Hand Recommendation
Logitech M240 Palm Grip Hand Recommendation

Claw Grip Hand Recommendation 
 

Logitech Signature M650 Claw Grip Hand Recommendation
Logitech M240 Claw Grip Hand Recommendation

Fingertip Grip Hand Recommendation 
 

Logitech Signature M650 Fingertip Grip Hand Recommendation
Logitech M240 Fingertip Grip Hand Recommendation
Show Text 

Wireless Versatility 
 

9.2
6.6

Maximum Of Paired Devices 
 

2
1

Bluetooth 
 

Yes
Yes

Receiver 
 

Yes
No

Battery Type 
 

1x AA
1x AA

Use When Charging 
 

No ( Single use batteries)
No ( Single use batteries)

On/Off Activation 
 

Auto Off And On/Off Switch
Auto Off And On/Off Switch

Receiver Extender 
 

No
No

Receiver Storing 
 

Yes
Yes

Battery Indicator  

Yes
No
Show Text 

Cable 
 

Cable Video  

Connectivity  

Wireless
Wireless

Cable Length 
 

N/A
N/A

Cable Type 
 

No Cable
No Cable

Permanent Kink 
 

No
No

Port Type: Mouse End 
 

No Port
No Port

Port Type: PC End 
 

No Port
No Port
Show Text 

Mouse Feet 
 

7.5
7.0

Mouse Feet picture  

Logitech Signature M650 Mouse Feet picture
Logitech M240 Mouse Feet picture

Gliding Experience 
 

Ok
Ok

Material 
 

PTFE
PTFE

Extra Included 
 

No
No
Show Text 

In The Box 
 

In the box picture  

Logitech Signature M650 In the box picture
Logitech M240 In the box picture
Show Text 
Control

Main Button 
 

Actuation Graph  

See details
See details
 Compare in Graph Tool

Force/Distances Graph  

See details
See details
 Compare in Graph Tool

Switch Type 
 

Mechanical
Mechanical

Switch Model 
 

Not Specified
Not Specified

Additional Buttons 
 

5.9
3.1

Buttons Picture  

Logitech Signature M650 Buttons Picture
Logitech M240 Buttons Picture

Total Number Of Buttons 
 

5
4

Number Of Side Buttons 
 

2
0

Number Of Programmable Inputs  
 

3
1

Profile Switching Button 
 

No
No

Gesture Support 
 

Yes
Yes
Show Text 

Click Latency 
 

7.1
7.1

Latency Testing While Gaming  

Latency Data  

See details
See details
 Compare in Graph Tool

Expected Connection 
 

12.1 ms
12.4 ms

Wired 
 

N/A
N/A

Receiver 
 

12.1 ms
N/A

Bluetooth 
 

14.4 ms
12.4 ms
Show Text 

CPI 
 

8.2
6.5

CPI Video  

CPI Graph  

See details
See details
 Compare in Graph Tool

SRAV Close-Up  

Logitech Signature M650 SRAV Close-Up
Logitech M240 SRAV Close-Up

SRAV @ 1600 CPI 
 

1.98%
-2.73%

SRAV @ 800 CPI 
 

0.21%
1.95%

SRAV @ 400 CPI 
 

1.33%
2.92%

SRAV @ Fixed CPI 
 

N/A
N/A

Precision Error Between Speeds 
 

0.87%
3.46%

Precision Error Between CPI 
 

0.69%
4.29%

Worst Tracking Error 
 

3.44%
-13.75%

Minimum CPI 
 

400 CPI
400 CPI

Maximum CPI 
 

4,000 CPI
4,000 CPI

CPI Adjustment Steps 
 

N/A
N/A
Show Text 

Sensor Latency 
 

7.0
6.6

Sensor Latency Transition Graph  

See details
See details
 Compare in Graph Tool

Sensor Latency Demonstration  

Delay To Start Of Movement 
 

22.4 ms
33.0 ms

Delay At Half Movement 
 

13.8 ms
17.6 ms

Sensor Latency CPI Graph  

See details

Delay To End Of Movement 
 

19.4 ms
25.6 ms
Show Text 

Sensor Specifications 
 

Sensor Technology 
 

Optical (LED)
Optical (LED)

Sensor Model 
 

Logitech Advanced Optical Tracking
Not Specified

Works On Glass 
 

No
No

Minimum Lift Off Distance 
 

1.2 mm
2.4 mm

Maximum Polling Rate 
 

125 Hz
125 Hz
Show Text 

Mouse Wheel 
 

Mouse wheel picture  

Logitech Signature M650 Mouse wheel picture
Logitech M240 Mouse wheel picture

Scroll Wheel Type 
 

Notched Wheel
Notched Wheel

Scroll Wheel Steps 
 

24 Steps

Scroll Wheel Tilt 
 

No
No

Thumb Wheel Type 
 

No
No

Thumb Wheel Steps 
 

No Thumb Wheel
Show Text 

Noise  

Noise Video  

Click Noise 
 

Very Quiet
Very Quiet
Show Text 
Operating System And Software

Configuration Software 
 

Software Tour  

Software Name  

Logitech Options+
Logitech Options+

Software Windows Compatibility 
 

Yes
Yes

Software macOS Compatibility 
 

Yes
Yes

On-Board Memory 
 

No
No

CPI (DPI) Adjustment  
 

Yes
Yes

Polling Rate Adjustment 
 

No
No

Profile Configuration 
 

Yes
No

Profile Auto-Switching 
 

Yes
No

RGB On/Off 
 

No RGB
No RGB
Show Text 

Mouse Compatibility 
 

10
10

Windows Compatibility  

Fully
Fully

macOS Compatibility  

Fully
Fully
Show Text 

Check Price

Black
Signature M650
SEE PRICE
Amazon.com
Black
M240
SEARCH
Amazon.com
Graphite
Signature M650
SEE PRICE
Amazon.com
Graphite
M240
SEE PRICE
Amazon.com
Rose
Signature M650
SEE PRICE
BestBuy.com
Rose
M240
SEE PRICE
Amazon.com
Off White
Signature M650
SEE PRICE
BestBuy.com
Lavender
M240
SEARCH
Amazon.com
 
Off-White
M240
SEE PRICE
Amazon.com
Back to Top

Logitech Signature M650

Logitech M240

Comments

  1. Comparison
 • Posted 1 year ago

Logitech Signature M650 vs Logitech M240: Main Discussion

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