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  1. Home
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Logitech G915 LIGHTSPEED vs MX Mechanical

Which Keyboard Is Better?

    Top
    Main Differences
    Design
      DimensionsBuild QualityErgonomicsHardware CustomizabilityBacklight FeaturesBacklight ClarityCable & ConnectorWireless VersatilityMacro Keys And ProgrammingExtra FeaturesIn The Box
    Typing Experience
      Typing QualityTyping NoiseKeystrokesAdjustable Input GranularitySwitches
    Performance
      Single-Key LatencyMulti-Key LatencyData TransmissionChord Split
    Software and Operating System
      Configuration SoftwareComputer CompatibilityWireless Mobile Compatibility
    Comments

Products

Logitech G915 LIGHTSPEED
Logitech MX Mechanical

Tested using Methodology v1.4.3

Updated Dec 19, 2025 03:36 PM

SEE PRICE
Walmart.com

Tested using Methodology v1.4.3

Updated Feb 05, 2026 02:13 PM

SEE PRICE
Amazon.com
Logitech G915 LIGHTSPEED Picture

Track

Logitech MX Mechanical Picture

Track

ConnectivityWireless
Size
Full-size (100%)
Switch Type
Mechanical
Output Type
Non-Adjustable
Hot-Swappable Switches
No
ConnectivityWireless
Size
Full-size (100%)
Switch Type
Mechanical
Output Type
Non-Adjustable
Hot-Swappable Switches
No

Our Verdict

Logitech G915 LIGHTSPEED

Logitech MX Mechanical

The Logitech G915 LIGHTSPEED and the Logitech MX Mechanical are both low-profile, wireless mechanical keyboards. However, the G915 LIGHTSPEED is a gaming keyboard, while the MX Mechanical is an office keyboard.

0 

Variants

  • G915 LIGHTSPEED (Black)
  • MX Mechanical (Graphite)

Review

See Logitech G915 LIGHTSPEED Review
See Logitech MX Mechanical Review
5 
4 

Check Price

Black
G915 LIGHTSPEED
SEE PRICE
Walmart.com
Graphite
MX Mechanical
SEE PRICE
Amazon.com
Black
G915 LIGHTSPEED
SEE PRICE
Amazon.com
Graphite
MX Mechanical
SEE PRICE
BestBuy.com
Black
G915 LIGHTSPEED
SEE PRICE
BestBuy.com
Graphite
MX Mechanical
SEE PRICE
B&H
Black
G915 LIGHTSPEED
SEARCH
B&H
Graphite
MX Mechanical
SEE PRICE
Walmart.com
Black
G915 LIGHTSPEED
SEARCH
Logitech
Graphite
MX Mechanical
SEARCH
Logitech

Main Differences for
Gaming

Threshold 

0.10

Gaming 
 

0.0
0.0
JOIN NOW  to see main differences

Full Comparison

Design

Dimensions 
 

Top Picture  

Logitech G915 LIGHTSPEED Top Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Top Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Size 
 

Locked
Locked

Height 
 

Lock" (Lock cm)
Lock" (Lock cm)

Width  

Lock" (Lock cm)
Lock" (Lock cm)

Depth 
 

Lock" (Lock cm)
Lock" (Lock cm)

Depth With Wrist Rest 
 

N/A
N/A

Weight 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)
Show Text 

Build Quality 
 

N/A
N/A

Build Quality Close Up  

Logitech G915 LIGHTSPEED Build Quality Close Up Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Build Quality Close Up Sample

SAMPLE

JOIN NOW

for pictures & test results

Keycap Material  

Locked
Locked
Show Text 

Ergonomics 
 

N/A
N/A

Side Picture  

Logitech G915 LIGHTSPEED Side Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Side Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Curved/Angled 
 

Locked
Locked

Split Keyboard 
 

Locked
Locked

Key Alignment 
 

Locked
Locked

Minimum Incline 
 

Lock°
Lock°

Medium Incline 
 

Lock°
N/A

Maximum Incline 
 

Lock°
Lock°

Home Row Height 
 

Lock mm (Lock")
Lock mm (Lock")
Show Text 

Hardware Customizability 
 

N/A
N/A

Customizability Overview  

Logitech G915 LIGHTSPEED Customizability Overview Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Customizability Overview Sample

SAMPLE

JOIN NOW

for pictures & test results

Replaceable Cherry Stabilizers 
 

Locked
Locked

Stabilizer Fixation 
 

Locked
Locked

Spacebar Stabilizer Size 
 

Locked
Locked

Size Of Right Mod Keys 
 

Locked
Locked

Hot-Swappable Switches 
 

Locked
Locked

Switch Stem Shape 
 

Locked
Locked

Mechanical Switch Compatibility 
 

Locked
Locked

Magnetic Switch Compatibility 
 

Locked
Locked

North-Facing Cherry MX Interference 
 

Locked
Locked

Backlight Features 
 

N/A
N/A

Backlighting Picture  

Logitech G915 LIGHTSPEED Backlighting Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Backlighting Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Brightness Max  

Logitech G915 LIGHTSPEED Brightness Max Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Brightness Max Sample

SAMPLE

JOIN NOW

for pictures & test results

Backlighting  

Locked
Locked

Brightness Min  

Logitech G915 LIGHTSPEED Brightness Min Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Brightness Min Sample

SAMPLE

JOIN NOW

for pictures & test results

RGB 
 

Locked
Locked

Per-Key Backlighting 
 

Locked
Locked

Effects 
 

Locked
Locked

Software Controllable 
 

Locked
Locked
Show Text 

Backlight Clarity 
 

N/A
N/A

White Shot  

Logitech G915 LIGHTSPEED White Shot Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical White Shot Sample

SAMPLE

JOIN NOW

for pictures & test results

Show Text 

Cable & Connector  

Connectivity  

Locked
Locked

Detachable 
 

Locked
Locked

Length  

Lock ft (Lock m)
Lock ft (Lock m)

Connector (Keyboard side) 
 

Locked
Locked
Show Text 

Wireless Versatility 
 

N/A
N/A

Bluetooth 
 

Locked
Locked

Bluetooth Multi-Device Pairing 
 

Locked
Locked

Proprietary Receiver 
 

Locked
Locked

Battery Type 
 

Locked
Locked
Show Text 

Macro Keys And Programming 
 

N/A
N/A

Dedicated Macro Keys Count  

Lock
Lock

Onboard Macro Programming 
 

Locked
Locked

Macro Programming With Software 
 

Locked
Locked
Show Text 

Extra Features 
 

Extra Features  

Logitech G915 LIGHTSPEED Extra Features Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Extra Features Sample

SAMPLE

JOIN NOW

for pictures & test results

Media Keys 
 

Locked
Locked

Trackpad / Trackball  

Locked
Locked

Scroll Wheel 
 

Locked
Locked

Control Knob 
 

Locked
Locked

USB Passthrough 
 

Locked
Locked

Numpad  

Locked
Locked

Windows Key Lock 
 

Locked
Locked

Lock Indicator  

Locked
Locked
Show Text 

In The Box  

Bundle Picture  

Logitech G915 LIGHTSPEED Bundle Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Bundle Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Show Text 
Typing Experience

Typing Quality 
 

N/A
N/A

Key Spacing 
 

Lock mm (Lock")
Lock mm (Lock")
Show Text 

Typing Noise 
 

N/A
N/A

Typing Sample  

Logitech G915 LIGHTSPEED Typing Sample Sample

SAMPLE

JOIN NOW

for videos & test results

Logitech MX Mechanical Typing Sample Sample

SAMPLE

JOIN NOW

for videos & test results

Average Loudness 
 

Lock dBA
Lock dBA

High Pitch Clicks 
 

Locked
Locked
Show Text 

Keystrokes 
 

Key Switch Actuation Graph  

Logitech G915 LIGHTSPEED Key Switch Actuation Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Key Switch Actuation Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Initial Force 
 

Lock gf
Lock gf

Peak Tactile Force 
 

Lock gf
Lock gf

Actuation Force 
 

Lock gf
Lock gf

Bottom-Out Force 
 

Lock gf
Lock gf

Pre-Travel Distance 
 

Lock mm
Lock mm

Total Travel Distance 
 

Lock mm
Lock mm
Show Text 

Adjustable Input Granularity 
 

N/A
N/A

Input Linearity Graph  

Logitech G915 LIGHTSPEED Input Linearity Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Input Linearity Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Analog Output Graph  

Logitech G915 LIGHTSPEED Analog Output Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Analog Output Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Top Deadzone 
 

N/A
N/A

Bottom Deadzone 
 

N/A
N/A

Detection Ratio 
 

N/A
N/A

Minimum Step Depth 
 

N/A
N/A
Show Text 

Switches 
 

Wobble Video  

Logitech G915 LIGHTSPEED Wobble Video Sample

SAMPLE

JOIN NOW

for videos & test results

Logitech MX Mechanical Wobble Video Sample

SAMPLE

JOIN NOW

for videos & test results

Switch Name 
 

Locked
Locked

Switch Type 
 

Locked
Locked

Feel 
 

Locked
Locked

Output Type 
 

Locked
Locked
Performance

Single-Key Latency 
 

N/A
N/A

Single-Key Latency Graph  

Logitech G915 LIGHTSPEED Single-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Single-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Best Connection 
 

Lock ms
Lock ms

Best Connection Std Dev  

±Lock ms
±Lock ms

Wired 
 

Lock ms
N/A

Receiver 
 

Lock ms
Lock ms

Bluetooth 
 

Lock ms
Lock ms

PCB (Estimated) 
 

Lock ms
Lock ms
Show Text 

Multi-Key Latency 
 

N/A
N/A

Multi-Key Latency Graph  

Logitech G915 LIGHTSPEED Multi-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Multi-Key Latency Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Connection Evaluated  

Locked
Locked

Key Press 
 

Lock ms
Lock ms

Data Transmission 
 

N/A
N/A

Multi-Key Raw USB  

Logitech G915 LIGHTSPEED Multi-Key Raw USB Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Multi-Key Raw USB Sample

SAMPLE

JOIN NOW

for pictures & test results

Connection Evaluated  

Locked
Locked

USB Polling Rate 
 

Lock Hz
Lock Hz

Effective Update Rate 
 

Lock Hz
Lock Hz

N-Key Rollover (NKRO) 
 

Locked
Locked

Multiple Keys Per USB Report 
 

Locked
Locked

Chord Split 
 

N/A
N/A

Chord Split Graph  

Logitech G915 LIGHTSPEED Chord Split Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

Logitech MX Mechanical Chord Split Graph Sample

SAMPLE

JOIN NOW

for pictures & test results

4 Chord Split Delay 
 

Lock ms
Lock ms

8 Chord Split Delay 
 

Lock ms
N/A
Software and Operating System

Configuration Software 
 

Software Tour  

Logitech G915 LIGHTSPEED Software Tour Sample

SAMPLE

JOIN NOW

for videos & test results

Logitech MX Mechanical Software Tour Sample

SAMPLE

JOIN NOW

for videos & test results

Software Name  

Locked
Locked

Software Windows Compatible 
 

Locked
Locked

Software macOS Compatible 
 

Locked
Locked

Onboard Memory 
 

Locked
Locked

Profiles 
 

Locked
Locked
Show Text 

Computer Compatibility 
 

N/A
N/A

Windows 
 

Locked
Locked

macOS 
 

Locked
Locked

Linux 
 

Locked
Locked

Media Key Compatibility 
 

Locked
Locked
Show Text 

Wireless Mobile Compatibility 
 

N/A
N/A

Android 
 

Locked
Locked

iOS 
 

Locked
Locked

iPadOS 
 

Locked
Locked

Media Key Compatibility 
 

Locked
Locked
Show Text 

Check Price

Black
G915 LIGHTSPEED
SEE PRICE
Walmart.com
Graphite
MX Mechanical
SEE PRICE
Amazon.com
Black
G915 LIGHTSPEED
SEE PRICE
Amazon.com
Graphite
MX Mechanical
SEE PRICE
BestBuy.com
Black
G915 LIGHTSPEED
SEE PRICE
BestBuy.com
Graphite
MX Mechanical
SEE PRICE
B&H
Black
G915 LIGHTSPEED
SEARCH
B&H
Graphite
MX Mechanical
SEE PRICE
Walmart.com
Black
G915 LIGHTSPEED
SEARCH
Logitech
Graphite
MX Mechanical
SEARCH
Logitech
Back to Top

Logitech G915 LIGHTSPEED

Logitech MX Mechanical

Comments

  1. Comparison
 • Posted 2 years ago

Logitech G915 LIGHTSPEED vs Logitech MX Mechanical: Main Discussion

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