The Rival 600 by Steelseries uses an Optical sensor, specifically the TrueMove 3, providing a DPI/CPI range of 100-12000, 100 CPI Increments. This is combined with a 32-bit ARM Processor. This results in a tracking speed of 350 IPS, and a maximum acceleration of 50G. It uses a USB connection with a 2m, Detachable, Soft Rubber cable. It weighs in at 128g grams with the cable and 96g without the cable, has Yes, 8 x 4g weights and is approximately 131 x 69 x 43 mm (LxWxH).
G402 Hyperion Fury
The G402 Hyperion Fury by Logitech uses an Optical sensor, specifically the AM010, providing a DPI/CPI range of 250 to 4000 DPI. This is combined with a 32-bit ARM processor. This results in a tracking speed of 500 IPS, and a maximum acceleration of 16G. It uses a USB connection with a 2.1m cable. It weighs in at 144 g grams with the cable and 108 g without the cable and is approximately 136 x 72 x 41mm (LxWxH).