Products
Zaunkoenig M2K
Finalmouse UltralightX
Tested using Methodology v1.5.1
Updated Nov 10, 2025 04:06 PM
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Tested using Methodology v1.5.1
Updated Aug 05, 2025 05:51 PM
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ConnectivityWired
Type
Standard
Default Weight
23.1 g
Ambidextrous
True Ambidextrous
ConnectivityWireless
Type
Standard
Default Weight
38.0 g
Ambidextrous
Shape Only
Our Verdict
Zaunkoenig M2K
Finalmouse UltralightX
The Zaunkoenig M2K and the Finalmouse UltralightX are gaming mice with carbon fiber body designs. The Zaunkoenig is lighter but significantly smaller and only suitable for a fingertip grip. The Zaunkoenig also lacks side buttons and is a wired-only model. The Finalmouse is somewhat heavier but large enough to accommodate palm or claw grip types. It's also a wireless model and has significantly better sensor performance.
Variants
- M2K (Glossy Carbon Fiber)
- M2K (Matte Carbon Fiber)
- UltralightX (Lion (M)/Guardian)
- UltralightX (Lion (M)/Phantom)
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Glossy Carbon Fiber
M2K
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Lion (M)/Guardian
UltralightX
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Matte Carbon Fiber
M2K
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Lion (M)/Phantom
UltralightX
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Main Differences for
Work
Work
Threshold
Work
5.4
6.3
Wireless Versatility
0.0
7.2
Additional Buttons
1.7
4.1
Build Quality
8.5
7.5
Full Comparison
Design
Style
Style Picture
Type
Standard
Standard
Coating
Matte
Matte
Lighting Color
No Lighting
No Lighting
Shape
3D Model
Length
3.1" (79 mm)
4.8" (122 mm)
Width
2.3" (60 mm)
2.5" (63 mm)
Height
1.2" (29 mm)
1.5" (37 mm)
Grip Width
56 mm
58 mm
Ambidextrous
True Ambidextrous
Shape Only
Left-Handed Friendly
Yes
Yes
Finger Rest
No
No
Build Quality
8.5
7.5
Build quality picture
Weight
9.9
9.8
Minimum Weight Picture
Lowest Weight
23.1 g
38.0 g
Default Weight
23.1 g
38.0 g
Weight Distribution
Front-heavy
Centered
Extra Weights
No
No
Hand Size Recommendation
Palm Grip Hand Recommendation
Claw Grip Hand Recommendation
Fingertip Grip Hand Recommendation
Wireless Versatility
0.0
7.2
Maximum Of Paired Devices
Wired
1
Bluetooth
No
No
Receiver
No
Yes
Battery Type
No Batteries
Rechargeable
Use When Charging
No
Yes
On/Off Activation
None
Auto Off And On/Off Switch
Receiver Extender
No
Yes
Receiver Storing
No Receiver
No
Battery Indicator
No
Yes
Cable
Connectivity
Wired
Wireless
Cable Length
5.4 ft (1.6 m)
5.8 ft (1.8 m)
Cable Type
Rubber
Braided
Permanent Kink
No
Yes
Port Type: Mouse End
No Port
USB-C
Port Type: PC End
USB-A
USB-A
Mouse Feet
9.0
9.0
Mouse Feet picture
Gliding Experience
Good
Very Good
Material
Virgin Grade PTFE
Virgin Grade PTFE
Extra Included
No
No
In The Box
In the box picture
Control
Main Button
Actuation Graph
Force/Distances Graph
Switch Type
Mechanical
Mechanical
Switch Model
Omron D2F-01F
Omron D2FC-F-7N(20M)
Additional Buttons
1.7
4.1
Buttons Picture
Total Number Of Buttons
3
5
Number Of Side Buttons
0
2
Number Of Programmable Inputs
0
0
Profile Switching Button
No
No
Gesture Support
No
No
Click Latency
9.7
9.9
Latency Data
Expected Connection
1.6 ms
1.1 ms
Wired
1.6 ms
1.2 ms
Receiver
N/A
1.3 ms
Bluetooth
N/A
N/A
CPI
9.0
9.6
CPI Graph
SRAV Close-Up
SRAV @ 1600 CPI
0.29%
-0.11%
SRAV @ 800 CPI
0.25%
-0.09%
SRAV @ 400 CPI
0.25%
-0.33%
SRAV @ Fixed CPI
N/A
N/A
Precision Error Between Speeds
0.20%
0.60%
Precision Error Between CPI
0.69%
0.60%
Worst Tracking Error
-1.13%
-3.25%
Minimum CPI
100 CPI
100 CPI
Maximum CPI
12,000 CPI
12,800 CPI
CPI Adjustment Steps
100 CPI
100 CPI
Sensor Latency
9.0
9.4
Sensor Latency Transition Graph
Delay To Start Of Movement
8.3 ms
10.1 ms
Delay At Half Movement
2.4 ms
2.0 ms
Delay To End Of Movement
7.3 ms
2.7 ms
Sensor Specifications
Sensor Technology
Optical (LED)
Optical (LED)
Sensor Model
PixArt PMW3360
PixArt PAW3395
Works On Glass
No
No
Minimum Lift Off Distance
1.2 mm
1.2 mm
Maximum Polling Rate
8000 Hz
8000 Hz
Mouse Wheel
Mouse wheel picture
Scroll Wheel Type
Notched Wheel
Notched Wheel
Scroll Wheel Tilt
No
No
Thumb Wheel Type
No
No
Noise
Noise Video
Click Noise
Quiet
Quiet
Operating System And Software
Configuration Software
Software Tour
Software Name
No software
XPANEL
Software Windows Compatibility
No
Yes
Software macOS Compatibility
No
Yes
On-Board Memory
No
Yes
CPI (DPI) Adjustment
No
Yes
Polling Rate Adjustment
No
Yes
Profile Configuration
No
No
Profile Auto-Switching
No
No
RGB On/Off
No
No RGB
Mouse Compatibility
10
10
Windows Compatibility
Fully
Fully
macOS Compatibility
Fully
Fully
Check Price
Glossy Carbon Fiber
M2K
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Lion (M)/Guardian
UltralightX
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Matte Carbon Fiber
M2K
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Lion (M)/Phantom
UltralightX
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Zaunkoenig M2K
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Zaunkoenig M2K vs Finalmouse UltralightX: Main Discussion
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