Logitech G502 Lightspeed Vs. Logitech G903 LightSpeed Hero

G502 Lightspeed

The G502 Lightspeed by Logitech uses an Optical sensor, specifically the Hero, providing a DPI/CPI range of 100 - 16,000 DPI. This is combined with a 32-bit ARM Microprocessor. This results in a tracking speed of 400 IPS, and a maximum acceleration of 40 G. It uses a Wireless, USB connection. It weighs in at 114 g without the cable, has up to 16 g weights and is approximately 132 x 75 x 40 mm (LxWxH).

G903 LightSpeed Hero

The G903 LightSpeed Hero 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 400ips, and a maximum acceleration of 40G. It uses a USB, Wireless connection with a 1.8 m cable. It weighs in at 110 g without the cable and is approximately 130 x 67 x 40 mm (LxWxH).