When comparing Roccat Tyon vs Steelseries Kana, the Slant community recommends Roccat Tyon for most people. In the question“What is the best gaming mouse?” Roccat Tyon is ranked 27th while Steelseries Kana is ranked 51st.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Many keys, 1D analog stick, illumination, good sensor

Pro Full Linux support
Roccat has good Linux drivers.
Pro Very light
At 72 grams the Steelseries Kana is a very lightweight device.
Pro Good value for money
At $49.99 the Steelseries Kana is a great price for what it offers such as an optical sensor and 1000Hz polling.
Cons
Con No MAC OS drivers available
This is a common con for many gaming mouses. But since the mouse buttons can be bound to direct input events, lack of drivers can be overcome.
Con Functions cut down if not using Roccat keyboard
There are extra features with the Easy-Shift[+] thumb button but a Roccat keyboard has to paired with the mouse to utilize them.

Con Slightly uncomfortable for palms and fingers
Compared to Razer Deathadder, this isn't comfortable at all.
