These 2 are different types of vacuum cleaners. Dyson DC50 is a corded compact size upright while the DC59 is a cordless stick/hand vacuum.
Here are some points you should consider before buying:
1, Do you want a corded or battery driven vacuum?
Dyson DC50 is corded, DC59 is battery powered.
2, About the weight. Light or even lighter?
Dyson DC50 is a light upright while the DC59 is a 7 pounds lighter stick/hand vacuum.
3, Do you need to clean under low furniture?
DC59 has a low profile cleaner head which can lay flat to get under furniture.
4, Suction Power.
DC50 generates more suction power than DC59.
5, Cost.
On dyson.com, DC50 is sold $50 cheaper than the DC59.
6, Warranty.
The DC50 carries 3 year longer warranty.
7, Frequenty Empty?
Both of them have a small bin.
Read more details below:
Compare Dyson DC59 and DC50 Animal
| Dyson DC50 Animal | Dyson DC59 Animal | |
|---|---|---|
| Images |  |  |
| Price | $449.99 at dyson.com on July 13, 2014 | $499.99 at dyson.com on July 13, 2014 |
| Cyclone Technology Type | 2 Tier Radial™ Cyclones | 2 Tier Radial™ Cyclones |
| Ball Technology | Yes | Yes |
| Design | Compact Upright | Slim Stick/Handheld |
| Corded or Cordless | Corded | Cordless |
| Retractable Cord | No | NA |
| Cord Length | 24.9 feet | NA |
| Run Time | NA | max 26 minutes |
| Charge Time | NA | 3.5 hours |
| Docking Station for charging and storing | NA | Yes |
| Suction Power | 128 airwatts | 28 airwatts at Standard Power or 100 airwatts in Boost mode |
| Bagged or Bagless | Bagless | Bagless |
| Bin Size | 0.21 gallons | 0.12 gallons |
| Motorized Head | YES | Yes |
| Brush On/Off | YES | No |
| Cleaner Head Width | about 11″ | about 9.8″ |
| Weight | 11.6 lbs | 4.6 lbs |
| HEPA Filtration | YES | not specified |
| Included Tools | Tangle-free Turbine tool Combination Tool Stair Tool | Mini motorized tool Combination tool Stair tool |
| Dimensions | 30.1" x 11" x 13.9" | 9.8" x 47.8" x 8.2" (HxLxW) |
| Warranty | 5 year warranty on parts & labor | 2 year parts and labor warranty |
Over all, DC50 is a small upright, it is compact for small apartment or home with 1 or 2 pets, while the battery operated DC59 is better suited for quick pickups.
If you have other related info about Dyson DC50 and DC59 to add to this post, please share below.