When comparing Razer Mamba vs TrackPoint, the Slant community recommends TrackPoint for most people. In the question“What is the best mouse for programmers?” TrackPoint is ranked 25th while Razer Mamba is ranked 33rd.
Specs
Ranked in these QuestionsQuestion Ranking
Pros

Pro Good design, good software
Very comfortable, good weight and easy-to-program options (button functions, colors, etc).
Pro Has wireless and wired options
The Razer Mamba is a wireless mouse that is also able to be wired by simply plugging in the provided USB cable.
Pro Keep your fingers on the keyboard
Pro No need to carry around a mouse
Cons

Con Battery life is very limited
Battery charge dies very quickly.
Con Major RSI issues
Pushing up and side to side with one finger is not a natural thing to do with your hands.
Con Common software glitch comes up when scrolling
The trackpoint "rest point" gets skewed, and keeps scrolling when you release.
Con Not good for people with thicker fingers
Depending on how worn down the trackpoint is. People with thicker fingers will often hit adjacent keys by accident.
Con Requires a lot of force to use
The stiffness of the trackpoint leaves your fingers fatigued after even 2 minutes of use.
