If you care about the Size, Price, HEPA filter, Weight, here are some key differences you may want to know.
1, Shark Rocket is a slim upright that can be used as a handheld, while the Dyson DC41 is a full size upright.
2, DC41 is much more expensive.
3, DC41 equipp with a HEPA filter while the Shark Rocket does not.
4, DC41 is much more heavier.
5, The motorized brushroll of Shark Rocket has 2 speeds, but cannot be turned off to clean bare floors. While the one on DC41 can be turned off for use on bare floors.
6, DC41 has a longer cord.

Shark Rocket vs Dyson DC41

	Shark Rocket	Dyson DC41 Animal Bagless Vacuum Cleaner
Design	Lightweight Slim Stick, Handheld 2 in 1	Full Size Upright
Bagged or Bagless	Bagless	Bagless
Dust Cup Capacity	0.472 dry quarts	0.55 gal
Power Source	Corded	Corded
Power	120V., 60Hz, 500 Watts, 4.2 Amps	10 amp power output, 235 air watts suction power
Cord Length	Depending on the version you purchased, HV300 = 27', HV301 = 30', HV302 = 30', HV302Q = 30', HV300W = 32'	35'
Auto Cord Rewind	No	No
Motorized Brushroll	Yes	Yes
Brushroll Speeds	2 speeds, slow speed for cleaning bare floors and delicate area rugs, high speed for cleaning carpets.	one speed
Brushroll Shutoff	No	Yes
Weight	under 8 pounds	17.1 pounds
Height Adjustment	Automatic, no manual setting	Self-adjusting, not manual
Nozzle Width	10.5"	13.3"
Washable Filters	Yes	Yes
HEPA Filter	No	Yes
Wall Mount	Yes	NA
Headlights	No	No
Included Tools	Dusting Brush, Pet Hair Tool, Crevice Tool, Dust Away Attachment Kit, optional Car Detail Kit	2 on board tools: Stair Tool and Combination Tool.
Steering	Swivel Steering	Ball Technology
Suction Control	No	No
Color	Orange and Blue	Purple
Price
Dimensions	46" x 9.8" x 10.5" (H x W x D)	42.4" x 15.4" x 13.4"
Manual	Shark Rocket Manual Download Link from Official Site	User Guide
Warranty	5 year	5 year