Mouse Comparison
Logitech G300 Vs. Logitech G400s
G300
The G300 by Logitech uses an Optical sensor from Avago, the ADNS-3055, providing a DPI/CPI range of 200 - 2500dpi. It uses a USB connection. The G300 is considered to be an ambidextrous mouse. It weighs in at 82 g grams with the cable and is approximately 115 x 72 x 37 mm (LxWxH).
G400s
The G400s by Logitech uses an Optical sensor from Avago, specifically the ADNS-S3095, providing a DPI/CPI range of 200 - 4000dpi. It uses a USB connection. It weighs in at 133 grams with the cable.