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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Dimensions
    2. Build Quality
    3. Ergonomics
    4. Hardware Customizability
    5. Backlight Features
    6. Backlight Clarity
    7. Cable & Connector
    8. Wireless Versatility
    9. Macro Keys And Programming
    10. Extra Features
    11. In The Box
  5. Typing Experience
    1. Typing Quality
    2. Typing Noise
    3. Switches
    4. Keystrokes
  6. Performance
    1. Single-Key Latency
    2. Multi-Key Latency
    3. Data Transmission
    4. Chord Split
  7. Software and Operating System
    1. Configuration Software
    2. Computer Compatibility
    3. Wireless Mobile Compatibility
  8. Comments

Logitech G915 LIGHTSPEED vs ASUS ROG Falchion RX Low Profile

Side-by-Side Comparison

Products

Logitech G915 LIGHTSPEED
ASUS ROG Falchion RX Low Profile

Tested using Methodology v1.3.1

Updated Sep 13, 2024 05:05 PM

SEE PRICE
Walmart.com

Tested using Methodology v1.3.1

Updated May 31, 2024 01:55 PM

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Amazon.com
Logitech G915 LIGHTSPEED Picture
ASUS ROG Falchion RX Low Profile Picture
ConnectivityWireless
Size
Full-size (100%)
Switch Type
Mechanical
N-Key Rollover (NKRO)
Yes
Hot-Swappable Switches
No
ConnectivityWireless
Size
Compact (65%)
Switch Type
Optical
N-Key Rollover (NKRO)
Yes
Hot-Swappable Switches
No

Variants

  • G915 LIGHTSPEED (Black)
  • ROG Falchion RX Low Profile (White)

Review

See Logitech G915 LIGHTSPEED Review
See ASUS ROG Falchion RX Low Profile Review
5 
9 

Our Verdict

Logitech G915 LIGHTSPEED

ASUS ROG Falchion RX Low Profile

The ASUS ROG Falchion RX Low Profile and the Logitech G915 LIGHTSPEED are wireless low-profile gaming keyboards with comparable raw performance. The biggest difference between them is their size. The ASUS is a much smaller compact (65%) model. It also supports Bluetooth and has a customizable touchpad to control things like backlighting and media controls. The Logitech, on the other hand, is a much larger full-size model. It has a set of physical button media controls and a scroll bar, as well as five dedicated macro buttons, which the Falchion lacks.

0 

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Black
G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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Black
G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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Main Differences for
Gaming

Threshold 

0.10

Gaming 

8.5
8.6

Build Quality 
 

8.0
7.0

Full Comparison

Design

Dimensions 
 

Top Picture  

Logitech G915 LIGHTSPEED Top Picture
ASUS ROG Falchion RX Low Profile Top Picture

Size 
 

Full-size (100%)
Compact (65%)

Height 
 

0.8" (2.1 cm)
1.0" (2.6 cm)

Width  

18.7" (47.5 cm)
12.0" (30.5 cm)

Depth 
 

5.8" (14.8 cm)
4.5" (11.5 cm)

Depth With Wrist Rest 
 

N/A
N/A

Weight 
 

2.26 lbs (1.027 kg)
1.32 lbs (0.597 kg)
Show Text 

Build Quality 
 

8.0
7.0

Build Quality Close Up  

Logitech G915 LIGHTSPEED Build Quality Close Up
ASUS ROG Falchion RX Low Profile Build Quality Close Up

Keycap Material  

ABS
ABS
Show Text 

Ergonomics 
 

7.0
7.0

Side Picture  

Logitech G915 LIGHTSPEED Side Picture
ASUS ROG Falchion RX Low Profile Side Picture

Curved/Angled 
 

No
No

Split Keyboard 
 

No
No

Key Alignment 
 

Staggered
Staggered

Minimum Incline 
 

0°
4°

Medium Incline 
 

4°
6.3°

Maximum Incline 
 

8°
9.5°

Home Row Height 
 

21.5 mm (0.8")
25.8 mm (1.0")
Show Text 

Hardware Customizability 
 

3.9
1.3

Customizability Overview  

Logitech G915 LIGHTSPEED Customizability Overview
ASUS ROG Falchion RX Low Profile Customizability Overview

Replaceable Cherry Stabilizers 
 

Yes
No

Stabilizer Fixation 
 

Plate-Mounted
Non-Customizable Design

Spacebar Stabilizer Size 
 

Non-Customizable Design
Non-Customizable Design

Size Of Right Mod Keys 
 

Non-Standard
1.25u

Hot-Swappable Switches 
 

No
No

Switch Stem Shape 
 

Kailh Low Profile Choc
Non-Customizable Design

Switch PCB Socket 
 

Soldered
Soldered

North-Facing Cherry MX Interference 
 

Non-Customizable Design
Non-Customizable Design
Show Text 

Backlight Features 
 

10
10

Backlighting Picture  

Logitech G915 LIGHTSPEED Backlighting Picture
ASUS ROG Falchion RX Low Profile Backlighting Picture

Brightness Max  

Logitech G915 LIGHTSPEED Brightness Max
ASUS ROG Falchion RX Low Profile Brightness Max

Backlighting  

Yes
Yes

Brightness Min  

Logitech G915 LIGHTSPEED Brightness Min
ASUS ROG Falchion RX Low Profile Brightness Min

RGB 
 

Yes
Yes

Per-Key Backlighting 
 

Yes
Yes

Effects 
 

Yes
Yes

Software Controllable 
 

Yes
Yes
Show Text 

Backlight Clarity 
 

8.0
9.0

White Shot  

Logitech G915 LIGHTSPEED White Shot
ASUS ROG Falchion RX Low Profile White Shot
Show Text 

Cable & Connector  

Connectivity  

Wireless
Wireless

Detachable 
 

Yes (Wired Mode and Charge)
Yes (Wired Mode and Charge)

Length  

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

Connector (Keyboard side) 
 

Micro USB
USB type-C
Show Text 

Wireless Versatility 
 

7.5
10

Bluetooth 
 

Yes
Yes

Bluetooth Multi-Device Pairing 
 

No
3

Proprietary Receiver 
 

Yes
Yes

Battery Type 
 

Rechargeable
Rechargeable
Show Text 

Macro Keys And Programming 
 

8.7
5.5

Dedicated Macro Keys Count  

5
0

Onboard Macro Programming 
 

Yes
Yes

Macro Programming With Software 
 

Yes
Yes
Show Text 

Extra Features 
 

Extra Features  

Logitech G915 LIGHTSPEED Extra Features
ASUS ROG Falchion RX Low Profile Extra Features

Media Keys 
 

Dedicated
Dedicated

Trackpad / Trackball  

No
No

Scroll Wheel 
 

Yes
No

Control Knob 
 

No
No

USB Passthrough 
 

No
No

Numpad  

Yes
No

Windows Key Lock 
 

Yes
Yes

Lock Indicator  

Caps Lock
Caps Lock
Show Text 

In The Box  

Bundle Picture  

Logitech G915 LIGHTSPEED Bundle Picture
ASUS ROG Falchion RX Low Profile Bundle Picture
Show Text 
Typing Experience

Typing Quality 
 

6.5
7.0

Key Spacing 
 

19.0 mm (0.748")
19.0 mm (0.748")
Show Text 

Typing Noise 
 

8.8
9.6

Typing Sample  

Average Loudness 
 

46.5 dBA
40.2 dBA

High Pitch Clicks 
 

No
No
Show Text 

Switches 
 

Wobble Video  

Switch Name 
 

GL Tactile
ROG RX Low-Profile Optical Red

Switch Type 
 

Mechanical
Optical

Feel 
 

Tactile
Linear

Analog 
 

No
No
Show Text 

Keystrokes 
 

Key Switch Actuation Graph  

See details on graph tool
See details on graph tool

Operating Force 
 

54 gf
44 gf

Actuation Force 
 

51 gf
44 gf

Pre-Travel 
 

1.6 mm
1.0 mm

Total Travel 
 

2.7 mm
2.8 mm
Show Text 
Performance

Single-Key Latency 
 

9.1
9.5

Single-Key Latency Graph  

See details on graph tool
See details on graph tool

Best Connection 
 

3.7 ms
1.7 ms

Best Connection Std Dev  

±0.5 ms
±0.4 ms

Wired 
 

3.7 ms
1.9 ms

Receiver 
 

4.4 ms
1.7 ms

Bluetooth 
 

10.7 ms
7.7 ms

PCB (Estimated) 
 

2.4 ms
0.8 ms
Show Text 

Multi-Key Latency 
 

8.7
8.9

Latency Video  

Multi-Key Latency Graph  

See details on graph tool
See details on graph tool

Connection Evaluated  

Receiver
Receiver

Key Press 
 

4.3 ms
2.6 ms

Key Release 
 

8.4 ms
9.4 ms
Show Text 

Data Transmission 
 

8.2
8.2

Multi-Key Raw USB  

Logitech G915 LIGHTSPEED Multi-Key Raw USB
ASUS ROG Falchion RX Low Profile Multi-Key Raw USB

Connection Evaluated  

Wired
Wired

USB Polling Rate 
 

1,000 Hz
1,000 Hz

Effective Update Rate 
 

1,000 Hz
1,000 Hz

N-Key Rollover (NKRO) 
 

Yes
Yes

Multiple Keys Per USB Report 
 

No
No
Show Text 

Chord Split 
 

8.0
8.6

Chord Split Graph  

See details on graph tool
See details on graph tool

4 Chord Split Delay 
 

5.0 ms
3.7 ms

8 Chord Split Delay 
 

14.6 ms
10.3 ms
Show Text 
Software and Operating System

Configuration Software 
 

Software Tour  

Software Name  

Logitech G HUB
Armoury Crate

Software Windows Compatible 
 

Yes
Yes

Software macOS Compatible 
 

Yes
Yes

Onboard Memory 
 

Yes
Yes

Profiles 
 

6+
6+
Show Text 

Computer Compatibility 
 

10
10

Windows 
 

Fully Compatible
Fully Compatible

macOS 
 

Fully Compatible
Fully Compatible

Linux (Ubuntu 22) 
 

Fully Compatible
Fully Compatible

Media Key Compatibility 
 

Windows, MacOS & Linux
Windows, MacOS & Linux
Show Text 

Wireless Mobile Compatibility 
 

10
10

Android 
 

Fully Compatible
Fully Compatible

iOS 
 

Fully Compatible
Fully Compatible

iPadOS 
 

Fully Compatible
Fully Compatible

Media Key Compatibility 
 

Android, iPhone & iPad
Android, iPhone & iPad
Show Text 

Check Price

Black
G915 LIGHTSPEED
Searching
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White
ROG Falchion RX Low Profile
Searching
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Black
G915 LIGHTSPEED
Searching
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White
ROG Falchion RX Low Profile
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Black
G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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Black
G915 LIGHTSPEED
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White
ROG Falchion RX Low Profile
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Black
G915 LIGHTSPEED
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ROG Falchion RX Low Profile
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Back to Top

Logitech G915 LIGHTSPEED

ASUS ROG Falchion RX Low Profile

Comments

  1. Comparison
 • Posted 10 months ago

Logitech G915 LIGHTSPEED vs ASUS ROG Falchion RX Low Profile: Main Discussion

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