When comparing Corsair Vengeance M65 vs Logitech G502, the Slant community recommends Logitech G502 for most people. In the question“What is the best gaming mouse?” Logitech G502 is ranked 28th while Corsair Vengeance M65 is ranked 48th. The most important reason people chose Logitech G502 is:
With the press of a button, the scroll wheel will go from regular clicking to smooth free-spinning so that scrolling through long documents or webpages is a breeze.
Specs
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Pros
Pro Sturdy mouse wheel
Pro Aluminium base with configurable weights
Pro Interesting futuristic design
The Corsair Vengeance M65 has a very interesting futuristic look to its design. With its metal core to the 3 plastic pieces on the outside of the frame and the over-sized scroll wheel.
Pro Free scrolling wheel
With the press of a button, the scroll wheel will go from regular clicking to smooth free-spinning so that scrolling through long documents or webpages is a breeze.
Pro 11 programmable buttons
With the setup utility, the 11 buttons can be mapped to any key sequence. With 3 possible on-board profiles, and even more profiles stored on the computer, you can use a different setup for every program.
Pro Weight and balance tuning
If you want to change the weight or balance of the mouse, it comes with several that you can insert in the bottom of the mouse.
Pro Good
Cons

Con Bad Palm Grip
With a design that is not ergonomic at the back and side buttons that are so far out it is not a recommended mouse for a mouse user who prefers palm grip.
Con Has input lag and smoothing
Being that this device is using a laser sensor there is expected lag and smoothing.
