Steelseries Rival 310 Vs. Corsair M65 PRO RGB
The Rival 310 by Steelseries uses an Optical sensor, specifically the SteelSeries TrueMove3, providing a DPI/CPI range of 100-12000, 100 CPI Increments. This is combined with a 32-bit ARM processor. This results in a tracking speed of 350+, and a maximum acceleration of 50G. It uses a USB connection with a 2m cable. It weighs in at 88.3g without the cable and is approximately 127.6 x 70.1 x 41.98 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).