Logitech MX518 2018 Vs. Corsair M65 PRO RGB
The MX518 2018 by Logitech uses an Optical sensor, specifically the HERO 16K, providing a DPI/CPI range of 100 - 16,000 DPI. This is combined with a 32-bit ARM. This results in a tracking speed of 400+ IPS, and a maximum acceleration of 40+ G. It uses a USB connection with a 2.1 m cable. It weighs in at 101 g without the cable and is approximately 131 x 73 x 43 mm (LxWxH).
M65 PRO RGB
The M65 PRO RGB by Corsair uses an Optical sensor from Pixart, specifically the PMW3360, providing a DPI/CPI range of 100 dpi - 12000 dpi. It uses a USB connection with a 1.8m Braided Fiber cable. It weighs in at 115g - 135.5g including weights and cable. The weights total 20.5g
and is approximately 118 x 72 x 39mm (LxWxH).