When comparing Logitech G400 vs Thermaltake Ventus X 2015, the Slant community recommends Logitech G400 for most people. In the question“What is the best gaming mouse?” Logitech G400 is ranked 5th while Thermaltake Ventus X 2015 is ranked 88th. The most important reason people chose Logitech G400 is:
The Logitech G400 gaming mouse was clearly designed specifically for palm grip.
Specs
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Pros
Pro Great for palm grip
The Logitech G400 gaming mouse was clearly designed specifically for palm grip.
Pro Thumb-rest
There is a built in ergonomic thumb rest so users can rest there thumb instead of constantly gripping.
Pro Comfortable side button placement
The two side buttons are located in an easy to reach, unobtrusive position.
Pro A true successor to the legendary MX518
The Logitech G400 gaming mouse is based off of MX518. It has a few minor incremental improvements that don't change what made the original so great.
Pro Accurate 3600 CPI optical sensor
The mouse has an accurate Avago ADNS-3095 optical 3600 CPI sensor. No angle snapping, no acceleration, no prediction.
Pro Quick-access CPI shift
Above and below the scroll-wheel there are buttons that allow increasing and decreasing between 400 and 3600 CPI on the fly.
Pro Good build quality
High quality rubberized coating is used among other materials to give a quality product feel.
Pro CPI shift
CPI can be changed from 400 CPI up to 3600 CPI without having to interrupt workflow.

Pro Fast response, fast tracking
With a 5700 DPI and a polling rate that ranges from 125-1000 the Thermaltake Ventus X 2015 allows for accurate tracking and response time. Making for a good mouse to use in first person shooters as well as daily activities.
Pro Ergonomic
The ergonomic right handed design allows for a comfortable palm grip to be used with the device.
Pro Adjustable weight
There are extra weights that users can place into the device to customize the weight of the device.
Cons
Con Scroll wheel is shallow and loose
Like the versions before it, the scroll wheel feels shallow and loose.
Con Lift off distance too high
The lift off distance is too high for this device but it can be fixed by using the tape trick.
Con Superseded by Logitech G400s
This unit is no longer in production though some units can still be found on Amazon and Ebay.
Con Stiff scroll wheel
The scroll wheel tends to be a bit stiff which may cause inaccurate scrolls.
