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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. Comfort Of Use
    7. Palm Grip: Hand Size Recommendation
    8. Claw Grip: Hand Size Recommendation
    9. Fingertip Grip: Hand Size Recommendation
    10. Wireless Versatility
    11. Cable
    12. Mouse Feet
    13. In The Box
  5. Control
    1. Buttons
    2. Click Latency
    3. CPI
    4. Sensor Specifications
    5. Mouse Wheel
    6. Noise
  6. Operating System And Software
    1. Compatible Software Option
    2. Mouse Compatibility
  7. Comments

Logitech G900 Chaos Spectrum vs Logitech G903 HERO

Side-by-Side Comparison

Products

Logitech G900 Chaos Spectrum
Logitech G903 HERO

Tested using Methodology v1.0

Updated Sep 06, 2022 08:39 PM

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Amazon.com

Tested using Methodology v1.2

Updated Nov 16, 2023 05:59 PM

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Amazon.com
Logitech G900 Chaos Spectrum Picture
Logitech G903 HERO Picture

Variants

  • G900 Chaos Spectrum (Black)
  • G903 HERO (Black)

Our Verdict

Logitech G900 Chaos Spectrum

Logitech G903 HERO

The Logitech G900 Chaos Spectrum is a predecessor of the Logitech G903 HERO. The G903 HERO includes an optional 10g weight so you can center the weight distribution. It also has a much higher maximum CPI range, a more consistent sensor, and better click latency. Both mice are very well suited for all grip types, but small hands may struggle to reach all buttons using a fingertip grip.

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Main Differences for
Office/Multimedia

Threshold 

0.10

Office/Multimedia 

8.2
8.2
No major differences between these mice for office/multimedia. See full list of tests below.

Full Comparison

Design

Style  

Type 
 

Standard
Standard

Style Picture  

Logitech G900 Chaos Spectrum Style Picture
Logitech G903 HERO Style Picture

Lighting Color  

RGB
RGB
Show Text 

Shape  

3D Model  

Logitech G900 Chaos Spectrum 3D Model
Logitech G903 HERO 3D Model

Length  

5.1" (130 mm)
5.1" (130 mm)

Height  

1.6" (40 mm)
1.6" (40 mm)

Width  

2.6" (65 mm)
2.6" (65 mm)

Grip Width 
 

61 mm
61 mm

Portability 
 

5.6
5.6

Portability picture  

Logitech G900 Chaos Spectrum Portability picture
Logitech G903 HERO Portability picture

Volume 
 

20.08 in³ (329 cm³)
20.08 in³ (329 cm³)

Cable/Receiver Storing 
 

No
No
Show Text 

Build Quality 
 

8.0
8.0

Build quality picture  

Logitech G900 Chaos Spectrum Build quality picture
Logitech G903 HERO Build quality picture
Show Text 

Weight 
 

5.9
5.7

Minimum Weight Picture  

Logitech G903 HERO Minimum Weight Picture

Lowest Weight 
 

107 g
109.7 g

Default Weight 
 

154 g
119.8 g

Weight Distribution 
 

Centered
Front-heavy

Extra Weights 
 

No
Yes

Maximum Weight Without Wire 
 

107 g
Show Text 

Comfort Of Use 
 

8.0
8.0

Right-handed 
 

No
No

Left-handed 
 

No
No

Ambidextrous 
 

Yes
Yes

Coating 
 

Matte
Matte

Finger Rest 
 

No
No
Show Text 

Palm Grip: Hand Size Recommendation 
 

Palm Grip Picture  

Logitech G900 Chaos Spectrum Palm Grip Picture
Logitech G903 HERO Palm Grip Picture

Small Hand 
 

Yes
Yes

Medium Hand 
 

Yes
Yes

Large Hand 
 

Yes
Yes

X.Large Hand 
 

Yes
Yes
Show Text 

Claw Grip: Hand Size Recommendation 
 

Claw Grip Picture  

Logitech G900 Chaos Spectrum Claw Grip Picture
Logitech G903 HERO Claw Grip Picture

Small Hand 
 

Yes
Yes

Medium Hand 
 

Yes
Yes

Large Hand 
 

Yes
Yes

X.Large Hand 
 

Yes
Yes
Show Text 

Fingertip Grip: Hand Size Recommendation  
 

Fingertip Grip Picture  

Logitech G900 Chaos Spectrum Fingertip Grip Picture
Logitech G903 HERO Fingertip Grip Picture

Small Hand  
 

No
No

Medium Hand 
 

Yes
Yes

Large Hand 
 

Yes
Yes

X.Large Hand  
 

Yes
Yes
Show Text 

Wireless Versatility 
 

7.0
7.0

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
8.0

Connectivity  

Wireless
Wireless

Cable Video  

Cable Length  

6.1 ft (1.9 m)
6.1 ft (1.9 m)

Cable Type 
 

Braided
Braided

Permanent Kink 
 

No
No

Port Type: Mouse End 
 

Micro USB
Micro USB

Port Type: PC End 
 

USB
USB
Show Text 

Mouse Feet 
 

7.5
7.5

Mouse Feet picture  

Logitech G900 Chaos Spectrum Mouse Feet picture
Logitech G903 HERO Mouse Feet picture

Gliding Experience 
 

Good
Good

Material 
 

PTFE
PTFE

Extra Included 
 

No
No
Show Text 

In The Box 
 

In the box picture  

Logitech G900 Chaos Spectrum In the box picture
Logitech G903 HERO In the box picture
Show Text 
Control

Buttons 
 

8.6
8.6

Buttons Picture  

Logitech G900 Chaos Spectrum Buttons Picture
Logitech G903 HERO Buttons Picture

Buttons Activation 
 

Mechanical
Mechanical

Total Number Of Buttons 
 

13
13

Number Of Side Buttons 
 

4
4

Number Of Programmable Inputs  
 

21
21

Profile Switching Button 
 

Yes
Yes

CPI (DPI) Switching Button 
 

Yes
Yes

Gesture Support 
 

No
No
Show Text 

Click Latency 
 

8.4
8.8

Latency Testing While Gaming  

Latency Data  

See details on graph tool

Expected Connection 
 

4.8 ms

Wired 
 

12 ms
3.8 ms

Receiver 
 

11 ms
4.8 ms

Bluetooth 
 

N/A
N/A
Show Text 

CPI 
 

9.9

CPI Video  

CPI Graph  

See details on graph tool

SRAV Close-Up  

Logitech G903 HERO SRAV Close-Up

SRAV @ 1600 CPI 
 

-0.04%

SRAV @ 800 CPI 
 

-0.05%

SRAV @ 400 CPI 
 

-0.08%

SRAV @ Fixed CPI 
 

N/A

Precision Error Between Speeds 
 

0.18%

Precision Error Between CPI 
 

0.18%

Worst Tracking Error 
 

-2.50%

Minimum CPI 
 

50 CPI
100 CPI

Maximum CPI 
 

12,000 CPI
25,600 CPI

CPI Adjustment Steps 
 

50 CPI
50 CPI

Sensor Specifications 
 

Sensor Technology 
 

Optical (LED)
Optical (LED)

Sensor Model 
 

PixArt PMW3366
HERO 25K

Works On Glass 
 

No
No

Minimum CPI (DPI) 
 

50 CPI
100 CPI

Maximum CPI (DPI) 
 

12,000 CPI
25,600 CPI

CPI (DPI) Adjustment Steps 
 

50 CPI
50 CPI

CPI (DPI) Variation 
 

12%

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 G900 Chaos Spectrum Mouse wheel picture
Logitech G903 HERO Mouse wheel picture

Scroll Wheel 
 

Notched Wheel + Free Wheel
Notched Wheel + Free Wheel

Scroll Wheel Steps 
 

24 Steps
24 Steps

Scroll Wheel Tilt 
 

Yes
Yes

Thumb Wheel 
 

No
No

Thumb Wheel Steps 
 

No Thumb Wheel
No Thumb Wheel
Show Text 

Noise  

Noise Video  

Click Noise 
 

Quiet
Quiet
Show Text 
Operating System And Software

Compatible Software Option 
 

10
10

Software settings screenshot  

Logitech G900 Chaos Spectrum Software settings screenshot
Logitech G903 HERO Software settings screenshot

Software Name  

Logitech G Hub
Logitech G Hub

Software Windows Compatibility 
 

Yes
Yes

Software macOS Compatibility 
 

Yes
Yes

Account Needed 
 

No
No

On-Board Memory 
 

Yes
Yes

CPI (DPI) Adjustment  
 

Yes
Yes

Polling Rate Adjustment 
 

Yes
Yes

Profile Configuration 
 

Yes
Yes

RGB On/Off 
 

Yes
Yes
Show Text 

Mouse Compatibility 
 

10
10

Windows Compatibility  

Fully
Fully

macOS Compatibility  

Fully
Fully
Show Text 

Logitech G900 Chaos Spectrum

Logitech G903 HERO

Comments

  1. Comparison

Logitech G900 Chaos Spectrum vs Logitech G903 HERO: Main Discussion

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