Logitech G603 Vs. Logitech G502 Proteus Spectrum

G603

The G603 by Logitech uses an Optical sensor, providing a DPI/CPI range of 200 - 12,000 dpi. This is combined with a 32-bit ARM processor. This results in a tracking speed of 400 IPS, and a maximum acceleration of 40G. It uses a "LIGHTSPEED" and Bluetooth connection. It weighs in at 112.3g with 1 AA battery, 135.7g with 2 AA batteries grams and 88.9 g without the cable and is approximately 124 x 68 x 43 mm (LxWxH).

G502 Proteus Spectrum

The G502 Proteus Spectrum by Logitech uses an Optical sensor from PixArt, specifically the PMW3366, providing a DPI/CPI range of 200 - 12,000 dpi. This is combined with a 32-bit ARM processor. This results in a tracking speed of 300 ips, and a maximum acceleration of 40G. It uses a USB connection with a 1.83 m braided cable. It weighs in at 168 g grams with the cable and 121 g without the cable, has 5 x 3.6g weights and is approximately 132 x 75 x 40 mm (LxWxH).