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  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. Cable
    9. Mouse Feet
    10. 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 G703 LIGHTSPEED with HERO Sensor vs Pulsar X3

Side-by-Side Comparison

Products

Logitech G703 LIGHTSPEED with HERO Sensor
Pulsar X3

Tested using Methodology v1.5

Updated Feb 27, 2025 07:15 PM

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Tested using Methodology v1.5

Updated Mar 27, 2025 03:37 PM

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Logitech G703 LIGHTSPEED with HERO Sensor Picture
Pulsar X3 Picture
ConnectivityWireless
Type
Standard
Default Weight
105.3 g
Ambidextrous
No
ConnectivityWireless
Type
Standard
Default Weight
54.4 g
Ambidextrous
Shape Only

Variants

  • G703 LIGHTSPEED with HERO Sensor (Black)
  • X3 (Black)
  • X3 LHD (Black)
  • X3 (White)
  • X3 LHD (White)

Review

See Logitech G703 LIGHTSPEED with HERO Sensor Review
See Pulsar X3 Review
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Our Verdict

Logitech G703 LIGHTSPEED with HERO Sensor

Pulsar X3

The Pulsar X3 and Logitech G703 LIGHTSPEED with HERO Sensor are wireless gaming mice with nearly identical shapes, but the X3 is significantly lighter and offers better raw performance. It also features higher-quality feet and uses optical switches that aren't prone to developing double-clicking issues over time.

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Black
G703 LIGHTSPEED with HERO Sensor
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Black
X3
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Black
G703 LIGHTSPEED with HERO Sensor
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Black
X3 LHD
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Black
G703 LIGHTSPEED with HERO Sensor
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White
X3
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Black
G703 LIGHTSPEED with HERO Sensor
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White
X3 LHD
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G703 LIGHTSPEED with HERO Sensor
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Main Differences for
Work

Threshold 

0.10

Work 

7.2
7.1

Additional Buttons 
 

7.3
6.5

Full Comparison

Design

Style  

Style Picture  

Logitech G703 LIGHTSPEED with HERO Sensor Style Picture
Pulsar X3 Style Picture

Type 
 

Standard
Standard

Coating 
 

Matte
Matte

Lighting Color  

RGB
No Lighting
Show Text 

Shape  

3D Model  

Logitech G703 LIGHTSPEED with HERO Sensor 3D Model
Pulsar X3 3D Model

Length  

4.9" (125 mm)
4.9" (125 mm)

Width  

2.6" (65 mm)
2.7" (68 mm)

Height  

1.7" (43 mm)
1.8" (46 mm)

Grip Width 
 

62 mm
64.1 mm

Ambidextrous 
 

No
Shape Only

Left-Handed Friendly 
 

No
Yes

Finger Rest 
 

No
No
Show Text 

Portability 
 

5.5
5.4

Portability picture  

Logitech G703 LIGHTSPEED with HERO Sensor Portability picture
Pulsar X3 Portability picture

Box Volume 
 

21.42 in³ (351 cm³)
23.86 in³ (391 cm³)

Receiver Storing 
 

No
No
Show Text 

Build Quality 
 

8.5
8.5

Build quality picture  

Logitech G703 LIGHTSPEED with HERO Sensor Build quality picture
Pulsar X3 Build quality picture
Show Text 

Weight 
 

6.4
9.3

Minimum Weight Picture  

Logitech G703 LIGHTSPEED with HERO Sensor Minimum Weight Picture
Pulsar X3 Minimum Weight Picture

Lowest Weight 
 

92.6 g
54.4 g

Default Weight 
 

105.3 g
54.4 g

Weight Distribution 
 

Centered
Centered

Extra Weights 
 

Yes
No
Show Text 

Hand Size Recommendation 
 

Palm Grip Hand Recommendation 
 

Logitech G703 LIGHTSPEED with HERO Sensor Palm Grip Hand Recommendation
Pulsar X3 Palm Grip Hand Recommendation

Claw Grip Hand Recommendation 
 

Logitech G703 LIGHTSPEED with HERO Sensor Claw Grip Hand Recommendation
Pulsar X3 Claw Grip Hand Recommendation

Fingertip Grip Hand Recommendation 
 

Logitech G703 LIGHTSPEED with HERO Sensor Fingertip Grip Hand Recommendation
Pulsar X3 Fingertip Grip Hand Recommendation
Show Text 

Wireless Versatility 
 

7.2
7.2

Maximum Of Paired Devices 
 

1
1

Bluetooth 
 

No
No

Receiver 
 

Yes
Yes

Battery Type 
 

Rechargeable
Rechargeable

Use When Charging 
 

Yes
Yes

On/Off Activation 
 

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

Receiver Extender 
 

Yes
Yes

Battery Indicator  

Yes
Yes
Show Text 

Cable 
 

8.0
9.0

Cable Video  

Connectivity  

Wireless
Wireless

Cable Length 
 

6.2 ft (1.9 m)
6.2 ft (1.9 m)

Cable Type 
 

Braided
Paracord-like

Permanent Kink 
 

No
Yes

Port Type: Mouse End 
 

Micro USB
USB-C

Port Type: PC End 
 

USB
USB
Show Text 

Mouse Feet 
 

7.5
9.0

Mouse Feet picture  

Logitech G703 LIGHTSPEED with HERO Sensor Mouse Feet picture
Pulsar X3 Mouse Feet picture

Gliding Experience 
 

Ok
Very Good

Material 
 

PTFE
Virgin Grade PTFE

Extra Included 
 

No
No
Show Text 

In The Box 
 

In the box picture  

Logitech G703 LIGHTSPEED with HERO Sensor In the box picture
Pulsar X3 In the box picture
Show Text 
Control

Main Button 
 

Actuation Graph  

See details on graph tool
See details on graph tool

Force/Distances Graph  

See details on graph tool
See details on graph tool

Switch Type 
 

Mechanical
Optical

Switch Model 
 

Not Specified
KAILH Optical Switch

Additional Buttons 
 

7.3
6.5

Buttons Picture  

Logitech G703 LIGHTSPEED with HERO Sensor Buttons Picture
Pulsar X3 Buttons Picture

Total Number Of Buttons 
 

6
6

Number Of Side Buttons 
 

2
2

Number Of Programmable Inputs  
 

11
6

Profile Switching Button 
 

Yes
No

Gesture Support 
 

No
No
Show Text 

Click Latency 
 

8.7
9.7

Latency Testing While Gaming  

Latency Data  

See details on graph tool
See details on graph tool

Expected Connection 
 

5.2 ms
1.7 ms

Wired 
 

4.1 ms
1.5 ms

Receiver 
 

5.2 ms
1.7 ms

Bluetooth 
 

N/A
N/A
Show Text 

CPI 
 

9.1
9.0

CPI Video  

CPI Graph  

See details on graph tool
See details on graph tool

SRAV Close-Up  

Logitech G703 LIGHTSPEED with HERO Sensor SRAV Close-Up
Pulsar X3 SRAV Close-Up

SRAV @ 1600 CPI 
 

0.17%
-0.58%

SRAV @ 800 CPI 
 

0.12%
0.79%

SRAV @ 400 CPI 
 

0.33%
-0.17%

SRAV @ Fixed CPI 
 

N/A
N/A

Precision Error Between Speeds 
 

0.31%
0.66%

Precision Error Between CPI 
 

0.33%
0.78%

Worst Tracking Error 
 

-7.75%
-1.75%

Minimum CPI 
 

100 CPI
50 CPI

Maximum CPI 
 

25,600 CPI
32,000 CPI

CPI Adjustment Steps 
 

50 CPI
10 CPI
Show Text 

Sensor Latency 
 

8.7
8.7

Sensor Latency Demonstration  

Sensor Latency Transition Graph  

See details on graph tool
See details on graph tool

Sensor Latency CPI Graph  

See details on graph tool
See details on graph tool

Delay To Start Of Movement 
 

14.1 ms
16.1 ms

Delay At Half Movement 
 

4.5 ms
3.9 ms

Delay To End Of Movement 
 

6.0 ms
5.0 ms
Show Text 

Sensor Specifications 
 

Sensor Technology 
 

Optical (LED)
Optical (LED)

Sensor Model 
 

HERO 25K
Pulsar XS-1

Works On Glass 
 

No
Yes

Minimum Lift Off Distance 
 

1.2 mm
1.2 mm

Maximum Polling Rate 
 

1000 Hz
1000 Hz
Show Text 

Mouse Wheel 
 

Mouse wheel picture  

Logitech G703 LIGHTSPEED with HERO Sensor Mouse wheel picture
Pulsar X3 Mouse wheel picture

Scroll Wheel Type 
 

Notched Wheel
Notched Wheel

Scroll Wheel Steps 
 

24 Steps
24 Steps

Scroll Wheel Tilt 
 

No
No

Thumb Wheel Type 
 

No
No

Thumb Wheel Steps 
 

No Thumb Wheel
No Thumb Wheel
Show Text 

Noise  

Noise Video  

Click Noise 
 

Quiet
Quiet
Operating System And Software

Configuration Software 
 

Software Tour  

Software Name  

Logitech G HUB
Pulsar Fusion Drive

Software Windows Compatibility 
 

Yes
Yes

Software macOS Compatibility 
 

Yes
No

On-Board Memory 
 

Yes
Yes

CPI (DPI) Adjustment  
 

Yes
Yes

Polling Rate Adjustment 
 

Yes
Yes

Profile Configuration 
 

Yes
Yes

Profile Auto-Switching 
 

Yes
No

RGB On/Off 
 

Yes
No RGB
Show Text 

Mouse Compatibility 
 

10
10

Windows Compatibility  

Fully
Fully

macOS Compatibility  

Fully
Fully
Show Text 

Check Price

Black
G703 LIGHTSPEED with HERO Sensor
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Black
X3
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Black
G703 LIGHTSPEED with HERO Sensor
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Black
X3 LHD
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G703 LIGHTSPEED with HERO Sensor
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White
X3
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Black
G703 LIGHTSPEED with HERO Sensor
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White
X3 LHD
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Black
G703 LIGHTSPEED with HERO Sensor
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Logitech G703 LIGHTSPEED with HERO Sensor

Pulsar X3

Comments

  1. Comparison
 • Posted 2 months ago

Logitech G703 LIGHTSPEED with HERO Sensor vs Pulsar X3: Main Discussion

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