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Comparison A4Tech Bloody A70 vs A4Tech Bloody A90

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A4Tech Bloody A70
A4Tech Bloody A90
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Product typemousemouse
Connectionwiredwired
InterfaceUSB AUSB A
Cable length1.8 m1.8 m
Sensoropticaloptical
Typefor gamefor game
Sensor and control
Sensor resolution800 – 4000 DPI800 – 4000 DPI
Max. acceleration20 G20 G
Max. speed160 ips160 ips
Polling rate125/250/500/1000 Hz (8/4/2/1 ms)
Number of buttons77
Side buttons
DPI-button
 /800, 1000, 1200, 1600, 4000/
Scroll wheels11
Features
Feet materialmetal
Optimal grippalmar, fingerpalmar, finger
Programmable buttons
Built-in memory
Lightingmulticolormulticolor
Cable
braided
braided
General
Size (LxWxH)124x74x41 mm125x66x42 mm
Weight143 g144 g
Color
Added to E-Catalogaugust 2016august 2015

Polling rate

The polling rate shows how often the mouse sensor communicates with the computer about cursor movement. The parameter is measured in hertz (Hz), and one second is taken as a unit of time when evaluating it. The smoothness and speed of cursor movement directly depends on the sensor polling frequency. Directly related to this is the mouse response time - this is the time period during which the signal about the movement of the manipulator will reach the display of a change in the cursor position on the screen. Response time is measured in milliseconds (ms). The more hertz the mouse has, the shorter the response time it demonstrates.

Feet material

- Teflon (PTFE). Polytetrafluoroethylene (PTFE) glides - also known as Teflon - are characterized by an extremely low coefficient of friction. As a result, mice with Teflon feet boast excellent glide and high cursor speed on any type of surface. The minimum level of friction allows you to easily control the movements of the mouse. Manipulators with Teflon gliders perform well in dynamic games and reduce wrist strain during prolonged work at the computer.

— Metal. When properly sanded, the metal feet provide excellent glide for the mouse, and they also have a long service life before abrasion. Note that manipulators with metal gliders are best used on plastic or other hard-wearing playing surfaces. Using a mouse without a mouse pad runs the risk of scratching the surface.

Built-in memory

The presence in the mouse of its own built-in memory.

The main and, in fact, the only way to use such memory is to store various advanced settings (for example, the functions of programmable keys, or even entire user profiles for various games or other tasks). This feature is relevant mainly for gamers, so almost all models with this feature are gaming.

Weight

The total weight of the mouse. For models with a wired connection, usually, it is indicated without cable, and for devices with weight adjustment (see above) — without weights.

This parameter is important primarily for professional gaming applications, although it is often relevant for ordinary users. Theoretically, less weight promotes speed and reduces fatigue. At the same time, in fact, much depends on the personal habits and preferences of the user: a mouse that is too light may “not be felt in the hands” and not give familiar feedback. Therefore, although most mice have a lower weight limit of 60 – 80 g, however, even among professional gaming models there are much more massive devices — 120 – 140 g or more. The lightest variety of "rodents" is laptop (see "In the direction"), among them devices come across and less than 60 g.

Also note that the weight to some extent depends on the size and “tricked out” of the device, but there is no unambiguous dependence here: models similar in size and functionality can differ markedly in weight.
A4Tech Bloody A70 often compared
A4Tech Bloody A90 often compared