When comparing Roccat Savu vs Logitech M570, the Slant community recommends Logitech M570 for most people. In the question“What is the best mouse for programmers?” Logitech M570 is ranked 11th while Roccat Savu is ranked 20th. The most important reason people chose Logitech M570 is:
Using a stationary mouse will keep wrist and arm movement down. The trackball being operated by the thumb makes for great comfort (do not recommend finger based track balls). A trackball doesn't require a large flat surface, though next to the keyboard still tends to be most comfortable.
Specs
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Pros
Pro A lightweight braided cable
Roccat Savu has a lighter than usual braided cable that helps prevent kinking, curling and protects the cable prolonging life of mouse.
Pro Accurate 4000 CPI optical sensor
The mouse has an accurate 4000 CPI optical sensor. No angle snapping, no acceleration, no prediction.
Pro Great grip provides good control over the mouse
A high quality rubberized grip on top and a sweat-proof grip material on the sides provides good control over the mouse.
Pro Full Linux support
Roccat has good Linux drivers.
Pro Roccat Talk informs which profile is selected when switched
Pro Easy+Shift allows for double mouse actions
Pro Good driver software
Pro Accomodating thumb rest
Pro Good build quality
The mouse weights 90g.
Pro Good for smaller hands
Pro Trackball
Using a stationary mouse will keep wrist and arm movement down. The trackball being operated by the thumb makes for great comfort (do not recommend finger based track balls).
A trackball doesn't require a large flat surface, though next to the keyboard still tends to be most comfortable.
Pro Wireless
With 18 months of wireless power, it can be used in a variety of manners not handicapped by a wire.
Cons
Con Reports of non-slip grip wearing off within a year
The soft touch coating does not last and will wear easily.
Con Low build quality
The shell is very cheap, thin plastic and the button sensors are either far too easy to trigger (left/right click) or ridiculously hard (back/forward, middle button/wheel).
Con Really awkward with the left hand.
Doesn't really go both ways
