3.22 in 1.94 in  | 2.61 in 1.49 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Logitech M187 |  Razer Viper Ultimate | |
|---|---|---|
| Type of motion sensor | Optical | Optical |
| Device interface | RF Wireless | RF Wireless + USB Type-C |
| Purpose | Office | Gaming |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Operating resolution | 1000.0 dpi | 20000.0 dpi |
| Buttons type | Pressed buttons | Pressed buttons |
| Number of buttons | 3 | 8 |
| Scroll wheel | yes | yes |
| Number of wheels | 1 | 1 |
| Scroll type | Wheel | Ring |
| Scrolling directions | Vertical | Vertical |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Also for left-handed | yes | no |
| Compact design | yes | no |
| Ergonomic design | yes | yes |
| Plug and Play | yes | yes |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Connection | Wireless | Wireless |
| Receiver type | Nano receiver | Micro receiver |
| Nano/Unifying receiver | yes | yes |
| Wireless receiver interface | USB | USB Type-A |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Colour of product |
|
|
| Form factor | Ambidextrous | Ambidextrous |
| Material | Plastic | Plastic |
| Illumination | yes | yes |
| Surface coloration | Monochromatic | Monochromatic |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Width | 3.22 in | 2.61 in |
| Height | 1.94 in | 1.49 in |
| Depth | 1.25 in | 4.99 in |
| Weight | 1.83 oz | 2.61 oz |
| Logitech M187 | Razer Viper Ultimate | |
|---|---|---|
| Power source | Batteries | Batteries |
| Battery type | AAA | Built-in battery |
| Pros | ||
|---|---|---|
| Cons |
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