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  1. Home
  2. Mouse
  3. Compare
  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Shape
    3. Portability
    4. Build Quality
    5. Weight
    6. Hand Size Recommendation
    7. Wireless Versatility
    8. Palm Grip: Hand Size Recommendation
    9. Cable
    10. Claw Grip: Hand Size Recommendation
    11. Fingertip Grip: Hand Size Recommendation
    12. Mouse Feet
    13. In The Box
  5. Control
    1. Main Button
    2. Additional Buttons
    3. Click Latency
    4. CPI
    5. Sensor Latency
    6. Sensor Specifications
    7. Mouse Wheel
    8. Noise
  6. Operating System And Software
    1. Configuration Software
    2. Mouse Compatibility
  7. Comments

Logitech G MX518 Legendary vs Logitech G502 X

Side-by-Side Comparison

Products

Logitech G MX518 Legendary
Logitech G502 X

Tested using Methodology v1.2

Updated Jan 06, 2023 02:54 PM

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Tested using Methodology v1.5

Updated Jan 27, 2025 06:56 PM

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Logitech G MX518 Legendary Picture
Logitech G502 X Picture
ConnectivityWired
Type
Standard
Default Weight
96.5 g
Ambidextrous
No
ConnectivityWired
Type
Standard
Default Weight
83.7 g
Ambidextrous
No
  1. Recommended in 1 article:
  2. Wired

Variants

  • Logitech G MX518 (Black)
  • G502 X (Black)
  • G502 X (White)

Review

See Logitech G MX518 Legendary Review
See Logitech G502 X Review
0 
0 

Our Verdict

Logitech G MX518 Legendary

Logitech G502 X

Full comparison details regarding individual product score sets can be found in the section below

Check Price

Black
Logitech G MX518
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Black
G502 X
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Black
Logitech G MX518
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Amazon.com
White
G502 X
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Read more

Main Differences for
Work

Threshold 

0.10

Work 

6.9
7.6

Scroll Wheel 
 

Notched Wheel
Notched Wheel + Free Wheel

Build Quality 
 

7.0
8.5

Full Comparison

Design

Style  

Style Picture  

Logitech G MX518 Legendary Style Picture
Logitech G502 X Style Picture

Type 
 

Standard
Standard

Coating 
 

Glossy
Matte

Lighting Color  

No Lighting
No Lighting
Show Text 

Shape  

3D Model  

Logitech G MX518 Legendary 3D Model
Logitech G502 X 3D Model

Length  

5.2" (131 mm)
5.1" (130 mm)

Width  

2.7" (70 mm)
3.1" (78 mm)

Height  

1.7" (44 mm)
1.6" (41 mm)

Grip Width 
 

63 mm
62 mm

Ambidextrous 
 

No
No

Left-Handed Friendly 
 

No
No

Finger Rest 
 

Thumb
Thumb

Portability 
 

5.4
5.4

Portability picture  

Logitech G MX518 Legendary Portability picture
Logitech G502 X Portability picture

Box Volume 
 

24.23 in³ (397 cm³)
25.45 in³ (417 cm³)

Receiver Storing 
 

No
No
Show Text 

Build Quality 
 

7.0
8.5

Build quality picture  

Logitech G MX518 Legendary Build quality picture
Logitech G502 X Build quality picture
Show Text 

Weight 
 

6.2
7.2

Minimum Weight Picture  

Logitech G MX518 Legendary Minimum Weight Picture
Logitech G502 X Minimum Weight Picture

Lowest Weight 
 

96.5 g
83.6 g

Default Weight 
 

96.5 g
83.7 g

Weight Distribution 
 

Centered
Centered

Extra Weights 
 

No
No
Show Text 

Hand Size Recommendation 
 

Palm Grip Hand Recommendation 
 

Logitech G502 X Palm Grip Hand Recommendation

Claw Grip Hand Recommendation 
 

Logitech G502 X Claw Grip Hand Recommendation

Fingertip Grip Hand Recommendation 
 

Logitech G502 X Fingertip Grip Hand Recommendation

Right-handed 
 

Yes

Left-handed 
 

No
No

Ambidextrous 
 

No
No

Coating 
 

Glossy
Matte

Finger Rest 
 

Thumb
Thumb
Show Text 

Wireless Versatility 
 

0.0
0.0

Maximum Of Paired Devices 
 

Wired

Bluetooth 
 

No
No

Receiver 
 

No
No

Battery Type 
 

No Batteries
No Batteries

Use When Charging 
 

No
No

On/Off Activation 
 

None
None

Receiver Extender 
 

No
No

Battery Indicator  

No
No
Show Text 

Palm Grip: Hand Size Recommendation 
 

Palm Grip Picture  

Logitech G MX518 Legendary Palm Grip Picture

Small Hand 
 

No

Medium Hand 
 

Yes

Large Hand 
 

Yes

X.Large Hand 
 

No
Show Text 

Cable 
 

7.0
7.5

Cable Video  

Connectivity  

Wired
Wired

Cable Length 
 

6.7 ft (2.0 m)
5.8 ft (1.8 m)

Cable Type 
 

Rubber
Rubber

Permanent Kink 
 

Yes
Yes

Port Type: Mouse End 
 

No Port
No Port

Port Type: PC End 
 

USB
USB
Show Text 

Claw Grip: Hand Size Recommendation 
 

Claw Grip Picture  

Logitech G MX518 Legendary Claw Grip Picture

Small Hand 
 

No

Medium Hand 
 

Yes

Large Hand 
 

Yes

X.Large Hand 
 

Yes
Show Text 

Fingertip Grip: Hand Size Recommendation  
 

Fingertip Grip Picture  

Logitech G MX518 Legendary Fingertip Grip Picture

Small Hand  
 

No

Medium Hand 
 

No

Large Hand 
 

Yes

X.Large Hand  
 

Yes
Show Text 

Mouse Feet 
 

7.5
8.5

Mouse Feet picture  

Logitech G MX518 Legendary Mouse Feet picture
Logitech G502 X Mouse Feet picture

Gliding Experience 
 

Good
Good

Material 
 

PTFE
Virgin Grade PTFE

Extra Included 
 

No
No
Show Text 

In The Box 
 

In the box picture  

Logitech G MX518 Legendary In the box picture
Logitech G502 X In the box picture
Show Text 
Control

Main Button 
 

Actuation Graph  

See details on graph tool

Force/Distances Graph  

See details on graph tool

Switch Type 
 

Optical

Switch Model 
 

LIGHTFORCE
Show Text 

Additional Buttons 
 

7.9
8.1

Buttons Picture  

Logitech G MX518 Legendary Buttons Picture
Logitech G502 X Buttons Picture

Buttons Activation 
 

Mechanical

Total Number Of Buttons 
 

8
12

Number Of Side Buttons 
 

2
3

Number Of Programmable Inputs  
 

15
25

Profile Switching Button 
 

Yes
Yes

CPI (DPI) Switching Button 
 

Yes

Gesture Support 
 

No
No
Show Text 

Click Latency 
 

9.1
9.6

Latency Testing While Gaming  

Latency Data  

See details on graph tool
See details on graph tool

Expected Connection 
 

3.5 ms
2.1 ms

Wired 
 

3.5 ms
2.1 ms

Receiver 
 

N/A
N/A

Bluetooth 
 

N/A
N/A
Show Text 

CPI 
 

9.2
9.0

CPI Video  

CPI Graph  

See details on graph tool
See details on graph tool

SRAV Close-Up  

Logitech G MX518 Legendary SRAV Close-Up
Logitech G502 X SRAV Close-Up

SRAV @ 1600 CPI 
 

-0.28%
-0.17%

SRAV @ 800 CPI 
 

0.21%
0.83%

SRAV @ 400 CPI 
 

0.33%
-0.17%

SRAV @ Fixed CPI 
 

N/A
N/A

Precision Error Between Speeds 
 

0.26%
0.49%

Precision Error Between CPI 
 

0.29%
0.49%

Worst Tracking Error 
 

-2.25%
-10.50%

Minimum CPI 
 

100 CPI
100 CPI

Maximum CPI 
 

16,000 CPI
25,600 CPI

CPI Adjustment Steps 
 

50 CPI
50 CPI

Sensor Latency 
 

8.8

Sensor Latency Demonstration  

Sensor Latency Transition Graph  

See details on graph tool

Sensor Latency CPI Graph  

See details on graph tool

Delay To Start Of Movement 
 

15.3 ms

Delay At Half Movement 
 

3.6 ms

Delay To End Of Movement 
 

4.7 ms

Sensor Specifications 
 

Sensor Technology 
 

Optical (LED)
Optical (LED)

Sensor Model 
 

HERO 16K
HERO 25K

Works On Glass 
 

No
No

Minimum Lift Off Distance 
 

2.4 mm
1.2 mm

Maximum Polling Rate 
 

1000 Hz
1000 Hz
Show Text 

Mouse Wheel 
 

Mouse wheel picture  

Logitech G MX518 Legendary Mouse wheel picture
Logitech G502 X Mouse wheel picture

Scroll Wheel Type 
 

Notched Wheel
Notched Wheel + Free Wheel

Scroll Wheel Steps 
 

24 Steps
24 Steps

Scroll Wheel Tilt 
 

No
Yes

Thumb Wheel Type 
 

No
No

Thumb Wheel Steps 
 

No Thumb Wheel
No Thumb Wheel
Show Text 

Noise  

Noise Video  

Click Noise 
 

Loud
Loud
Show Text 
Operating System And Software

Configuration Software 
 

Software Tour  

Software Name  

Logitech G Hub
Logitech G HUB

Software Windows Compatibility 
 

Yes
Yes

Software macOS Compatibility 
 

Yes
Yes

On-Board Memory 
 

Yes
Yes

CPI (DPI) Adjustment  
 

Yes
Yes

Polling Rate Adjustment 
 

Yes
Yes

Profile Configuration 
 

Yes
Yes

Profile Auto-Switching 
 

Yes

Software settings screenshot  

Logitech G MX518 Legendary Software settings screenshot

RGB On/Off 
 

No
No RGB

Account Needed 
 

No
Show Text 

Mouse Compatibility 
 

10
10

Windows Compatibility  

Fully
Fully

macOS Compatibility  

Fully
Fully
Show Text 

Check Price

Black
Logitech G MX518
SEARCH
Amazon.com
Black
G502 X
Searching
Finding store
Black
Logitech G MX518
SEARCH
Amazon.com
White
G502 X
Searching
Finding store
Back to Top

Logitech G MX518 Legendary

Logitech G502 X

Comments

  1. Comparison

Logitech G MX518 Legendary vs Logitech G502 X: Main Discussion

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