Corsair Harpoon Vs. Logitech G502 Hero
The Harpoon by Corsair uses an Optical sensor from PixArt, specifically the PMW3320, providing a DPI/CPI range of 250 - 6000dpi. It uses a USB connection with a 1.8 m Braided Fiber cable. It weighs in at 85 g without the cable and is approximately 111.5 x 68.3 x 40.4 mm (LxWxH).
The G502 Hero by Logitech uses a Hero (proprietary) sensor, providing a DPI/CPI range of 100 - 16,000 DPI. This is combined with a 32-bit ARM processor. This results in a tracking speed of 400+ IPS. It uses a USB connection with a 2.1m Braided cable. It weighs in at 121 g without the cable, has 5 x 3.6g weights that can add up to 18g extra weight and is approximately 132 x 75 x 40 mm (LxWxH).