Razer Viper Ultimate Vs. Glorious Model O
The Viper Ultimate by Razer uses an Optical sensor from Razer, specifically the Focus+, providing a maximum DPI/CPI of 20,000 DPI (Default stages: 400/800/1600/2400/3200). This results in a tracking speed of 650 ips, and a maximum acceleration of 50 G. It uses uses either a Wired and Wireless connection with a 1.8 m cable, which is used for charging or cabled use. The Viper Ultimate is considered to be an ambidextrous mouse. It weighs in at 74g without the cable and is approximately 126.7 x 66.2 x 37.8 mm (LxWxH).
The Model O by Glorious uses an Optical sensor from Pixart, the 3360, providing a DPI/CPI range of up to 12000dpi. This results in a tracking speed of 250+ IPS, and a maximum acceleration of 50G. It uses a USB connection with a 2m, Braided cable. It weighs in at 67grams (Matte) and 68 grams (Glossy) without the cable and is approximately 128 x 66 x 37.5mm (LxWxH).