When comparing Razer Deathadder 2013 vs Roccat Kone Pure Optical, the Slant community recommends Razer Deathadder 2013 for most people. In the question“What is the best gaming mouse?” Razer Deathadder 2013 is ranked 10th while Roccat Kone Pure Optical is ranked 21st. The most important reason people chose Razer Deathadder 2013 is:
While being mainly designed for palm grips using a claw grip will still work, though with a weird placing for the palm.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Comfortable gaming mouse for palm and claw grips
While being mainly designed for palm grips using a claw grip will still work, though with a weird placing for the palm.
Pro Left- and right-click buttons have a concave that helps fingers stay in place
The users fingers rest easily inside of the concave left and right buttons. By being concaved the users fingers also stay in place.

Pro Affordable
At $50 it's not an expensive gaming mouse for what it offers.
Pro Slightly larger than a common mouse
With dimensions, 127 mm/5.00” x 70 mm/2.76” x 44 mm/1.73”, Deathadder is just a bit bigger than an everyday gaming mouse.
Pro Accurate 6400 CPI optical sensor
The mouse has a 6400 CPI optical sensor with X & Y variable axis. No angle snapping, no acceleration, no prediction.
Pro Two side buttons in an easily accessible yet unobtrusive position
The two left side buttons are position so that they stay unobtrusive yet easily accessible.
Pro Braided cord
Helps prevent kinking, curling and protects the cable prolonging life of the gaming mouse.
Pro True rubber grip helps to get a better hold of the mouse
The mouse has a true rubber grip as opposed to common rubberized or plain plastic grips.

Pro Reliable, notched scroll wheel
High quality scroll wheel.
Pro Reasonably lightweight at 105 grams
The Razer Deathadder 2013 sits at a reasonable weight of 105 grams, which is 8 grams lighter than the previous 3.5 version.
Pro Synapse is well-designed driver software
Synapse can be a useful tool by saving a users setting to the cloud automatically, setting do not need to be remembered upon re-installs or using a friends PC.
Pro Rubber grips are smooth
Pro Left hand edition available
Razer offers a right and left hand edition for the Deathadder model.
Pro Amazing shape
This mouse is great for every grip style. The right side lets you palm or fingertip grip the mouse regardless of your hand size.
Pro Full Linux support
Roccat releases official drivers for Linux for most (if not all) of their products and the Kone Pure Optical is not an exception.
Pro No angle snapping or pointer prediction
With the Avago ADNS-3090 optical sensor being used there is no angle snapping or pointer prediction to be found.
Pro All the buttons are very well-built
The buttons are very well-built and feel great when pressed. There is almost no travel to any of them and they are quite light.
Pro Good build quality
The Kone Pure Optical has great build quality. The materials with which this mouse is built feel very nice, there's no squeakyness when pressing the buttons and the cable is pretty good as well.
Cons
Con Requires signing in and connecting to a server before the mouse can be used to its full potential
To get the latest drivers or edit settings you have to download "synapse" an "online cloud device updater and profile storage" application. You have to register an account with your email and have it running in the background constantly for changes to take effect.
Con Poor build quality
Con Scroll Wheel may stop working
You can look it up on youtube, there's a video which explains how you can fix it but you'll need to physically open up the mouse and void the warranty.
Con Driver for side buttons in not open source
The mouse has two button for thumb control. The driver for the mouse and is not open source and not available for Linux users.
Con Distracting lights, wich can be turned of this can be done trough the Synapse software
Although the lights on the mouse look nice, they may bother or be distracting to some people. If they are too distracting, they can be turned off but that does require proprietary software that many do not like having installed.

Con Software issues
Using Razer Synapse causes slower boot up times as well as forced online sign in to use which is just a cheap attempt at an always online DRM.
Con Middle click dies way too fast
Several users of this mouse have complained that the middle click doesn't last long, in some cases not even 1 year.
Con Rubber coating
Like all of razer's mice, this one has a rubber coating. Which means that it's hard to clean, will drip oil after long period of disuse and generally less comfortable than hard plastic.
Con Not an ideal mouse for large hands
The Kone Pure Optical is quite a rather small mouse, suitable for people with small and medium-sized hands. Someone with larger-than-average hands will most likely be very uncomfortable using this mouse.
Con High lift off distance
The Roccat Kone Pure Optical has a higher than average lift off distance of 3mm, though it can be lowered in software (Advanced Settings tab) or with the tape trick.
