Razer Viper Ultimate Vs. Zowie FK1

	Viper Ultimate	FK1
Specification:
No. of Buttons:	8	2
No. of Macro Keys:
No. of Game Profiles:	5
Connection:	Wired and Wireless	USB
Cable length:	1.8 m
Wireless:	2.4 GHz
Battery:	upto 70 hours - without lighting and depending on settings
Colour:		Black and Yellow
Ambidextrous:	Yes	Yes
Coating:
Software:	Synapse 3
Weights:	No	No
Switch:	Razer Optical
Feet:
Sensor:
Type:	Optical	Optical
Brand:	Razer	Avago
Model:	Focus+	3310
Processor:
Lift off distance:	Adjustable	1.5 ~ 1.8mm
DPI/CPI:	upto 20,000 DPI (Default stages: 400/800/1600/2400/3200)	400 / 800 / 1600 / 3200 DPI adjustment
Memory Size:
Max tracking speed:	650 ips
Max acceleration:	50 G
Response time:		125 / 500 / 1000 Hz
FPS:
NVIDIA Reflex:	Yes
Lighting:
Colour Options:	Chroma lighting 16.8 million
Lighting Effect:
Dimensions & Weight:
Dimension (LxWxH):	126.7 x 66.2 x 37.8 mm	128 x 67 x 37 mm
Weight (grams):
Weight w/o cable:	74g	90g
	Also compared to: SENSEI Kinzu v2 PRO Ouroboros Imperator Abyssus Deathadder 2013 Orochi Kone XTD G700s G500s G300 Rival G9x Kana v2 G502 Proteus Core FK1	Also compared to: SENSEI Kinzu v2 PRO Deathadder 2013 G100s F5 Kana v2 Sensei Wireless Alien-II G7 G303 Daedalus Apex Rival 300 G Pro Flick G1 V8M Sensei 310 Rival 600 EC1-B

Viper Ultimate

The Viper Ultimate by Razer uses an Optical sensor from Razer, specifically the Focus+, providing a maximum DPI/CPI of 20,000 DPI (Default stages: 400/800/1600/2400/3200). This results in a tracking speed of 650 ips, and a maximum acceleration of 50 G. It uses uses either a Wired and Wireless connection with a 1.8 m cable, which is used for charging or cabled use. The Viper Ultimate is considered to be an ambidextrous mouse. It weighs in at 74g without the cable and is approximately 126.7 x 66.2 x 37.8 mm (LxWxH).

FK1

The FK1 by Zowie Gear uses an Optical sensor from Avago, specifically the 3310, providing a DPI/CPI range of 400 / 800 / 1600 / 3200 DPI. It uses a USB connection. The FK1 is considered to be an ambidextrous mouse. It weighs in at 90g without the cable and is approximately 128 x 67 x 37 mm (LxWxH).