When comparing Steelseries Sensei [RAW] vs Logitech G602, the Slant community recommends Steelseries Sensei [RAW] for most people. In the question“What is the best gaming mouse?” Steelseries Sensei [RAW] is ranked 6th while Logitech G602 is ranked 15th. The most important reason people chose Steelseries Sensei [RAW] is:
The Steelseries Sensei [RAW] gaming mouse is an ambidextrous mouse that is default set to right handed.
Specs
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Pros
Pro Ambidextrous
The Steelseries Sensei [RAW] gaming mouse is an ambidextrous mouse that is default set to right handed.
Pro Great for palm and claw grips
Users who prefer palm or claw grips will have no problems using this mouse.
Pro Available with a metal, glossy or rubberized finish
The Steelseries Sensei [RAW] gaming mouse comes in three selectable finishes, metal, glossy or rubberized.
Pro Driver software allows adjusting sensitivity, accent illumination and reprogram buttons
The driver software dashboard allows for numerous customizations such as illumination changes and programmable buttons.
Pro Great gaming mouse buttons
Tactile and light without being easy to press by resting your hand on the gaming mouse.
Pro On-the-fly two-state CPI switch
There is a button below the scroll wheel that allows for on the fly DPI switching.
Pro Braided cable the metal and glossy/rubberized editions
The Steelseries Sense[RAW] gaming mouse comes with a braided anti-tangle cord.

Pro Comfortable for palm grip with easy to hit buttons
Great for palm grip along with a the fantastic logitech software for key mapping and profiles.

Pro Great battery life
Good for users that want a wireless mouse without any loss of functionality or need to change the batteries every week

Pro Good optical sensor
Only up to 2500 DPI but it's a great sensor for those that don't need very high DPI.
Pro Can run on single battery for lighter weight
Users can opt to run the device on a single battery to cut down on the weight but this will have an impact on battery life.
Cons
Con Far side buttons can be pressed accidentally at first
The side buttons on the far side (i.e. right if you're right-handed) can easily be pressed when the user simply tries to grip the mouse. This can be mitigated with practice.
Con Slight inconsistent positive acceleration at all tracking speeds
Is lessened on hard pads, Steelseries recommends a 4hd/9hd as the mouse was made and tested on it. Most people don't realize the acceleration until told about it and there are numerous professional cs go, Lol, dota, and starcraft players who have no problem with or don't notice the acceleration.
Con All four buttons are hard to integrate into daily usage, but they are not always necessary.
Con Mouse wheel can be a little finicky
The mouse wheel tends to sometimes scroll up one click when trying to scroll down, and vice versa.


Con Somewhat heavy
Being that this is a wireless mouse there is the battery weight to contend with. Batteries in the weight of the device is 152 grams, which isn't all that bad considering but still not for users that like a lighter mouse.
The mouse can also be used with a single battery, which is useful for not only reducing weight but also for balancing the mouse. With two batteries the mouse can be a bit slipper on the right side when picking it up as the pinkie and ring fingers don't have as much to grip - but balancing the weight over towards the thumb allows the mice to be more easily picked up as the side buttons allow for a decent place to grip.
Con No wired option
The Logitech G602 does not offer a wired USB option, only wireless.

Con Macro Key Defect
Side buttons are known to register multiple keystrokes occasionally when pressed only once. With bindings such as Ctrl+F4, this naturally has destructive results.

Con Middle mouse button wore out after a year of heavy use
And with no way to open it it's near impossible to fix.
