Sun Joe HJ604C 2-in-1 Cordless Grass Shear and vs VIVOSUN 20" Cordless Hedge Trimmer, 20V Electric
Updated July 2026 — VIVOSUN 20" Cordless Hedge Trimmer, 20V Electric leads on rpm and blade length.
The Sun Joe HJ604C is a lightweight and versatile option for small gardens, while the VIVOSUN 20" Cordless Hedge Trimmer offers superior cutting power for larger tasks.
Why Sun Joe HJ604C 2-in-1 Cordless Grass Shear and is better
Price
Sun Joe is $16.02 cheaper than VIVOSUN
Weight
Sun Joe weighs only 2.5 lbs, making it easier to handle
Versatility
Sun Joe functions as both a grass shear and hedge trimmer
Why VIVOSUN 20" Cordless Hedge Trimmer, 20V Electric is better
Cutting Speed
VIVOSUN operates at 1400 RPM, 12% faster than Sun Joe
Battery Life
VIVOSUN includes two batteries for extended use
Blade Length
VIVOSUN has a 20-inch blade for larger hedges
Overall score
Specifications
| Spec | Sun Joe HJ604C 2-in-1 Cordless Grass Shear and | VIVOSUN 20" Cordless Hedge Trimmer, 20V Electric |
|---|---|---|
| Price | $39.97 | $55.99 |
| Warranty | 2 years | N/A |
| Battery Type | Lithium-Ion | Lithium-Ion |
| Ergonomics | Yes | Yes |
| Safety Features | Safety switch | Dual switch |
Dimension comparison
Overview of the Products
The Sun Joe HJ604C is priced at $39.97, making it about 29% cheaper than the VIVOSUN 20" Cordless Hedge Trimmer, which retails for $55.99. Both products offer unique features that cater to different gardening needs, but their design and functionality set them apart.
The Sun Joe HJ604C is a versatile 2-in-1 tool that functions both as a grass shear and hedge trimmer, while the VIVOSUN trimmer boasts a more traditional hedge trimming capability with a longer blade. Each product targets distinct user preferences based on size, weight, and intended use in the garden.
Design and Build Quality
The Sun Joe HJ604C features a lightweight design at just 2.5 lbs, making it easy to handle for extended periods. Its ergonomic handle is tailored for comfort, particularly for seniors or those who may struggle with heavier equipment. In contrast, the VIVOSUN trimmer is designed with a 20-inch dual-action laser blade that enhances cutting efficiency and capacity.
While both products are designed for user comfort, the Sun Joe’s compact form makes it ideal for tight spaces, whereas the VIVOSUN’s longer blade is better suited for larger hedges and shrubs. The build quality of both is reliable, but their design philosophies cater to different gardening tasks.
Cutting Performance
When it comes to cutting performance, the Sun Joe HJ604C operates at a speed of 1250 RPM, which allows for cleaner and quicker cuts through grass and small hedges. It is particularly effective for light trimming and shaping tasks. On the other hand, the VIVOSUN trimmer operates at a higher speed of 1400 RPM, offering enhanced cutting capability for medium-sized branches and shrubs with its 3/5-inch cutting capacity.
This increased RPM means the VIVOSUN can tackle tougher jobs, making it a better choice for those with larger or more established hedges. The difference in cutting power is significant, with the VIVOSUN providing about 12% more RPM than the Sun Joe.
Battery Life and Charging
The Sun Joe HJ604C comes with a 7.2V lithium-ion battery that provides 30 to 60 minutes of cordless runtime, depending on the task. It also includes a wall charger for convenient recharging. Meanwhile, the VIVOSUN offers two 20V/2000mAh batteries, allowing for a similar runtime of up to 60 minutes for each battery after a full charge.
The dual-battery system of the VIVOSUN provides an advantage for users who might need to switch batteries for extended use. However, the Sun Joe’s single battery setup keeps the tool lightweight and easy to manage, which could appeal to casual gardeners.
Safety Features
Safety is a priority for both products, but they employ different mechanisms to ensure user protection. The Sun Joe HJ604C features a safety switch to prevent accidental starts, providing peace of mind while handling the tool. The lightweight design also reduces fatigue, which can contribute to safer operation.
The VIVOSUN hedge trimmer requires users to press both the top handle and switch simultaneously to operate, which adds an extra layer of safety against unintentional activation. Additionally, its high-quality shell is designed to protect users from sharp blades. Both tools prioritize safety, but they do so through distinct methods.
Intended Use Cases
The Sun Joe HJ604C is particularly well-suited for small gardens and light trimming tasks. Its versatility as a grass shear and hedge trimmer makes it ideal for homeowners looking to maintain tidy flower beds and edges around pathways. The compact size allows for easy maneuverability in tight spaces.
Conversely, the VIVOSUN 20" Cordless Hedge Trimmer is designed for more robust hedge maintenance and can handle larger shrubs and small trees efficiently. Its longer blade and higher RPM make it a better fit for those with more extensive gardening needs. Each product excels in its intended use case, appealing to different segments of the gardening market.
Customer Support and Warranty
Sun Joe backs its HJ604C trimmer with a 2-year warranty and offers US-based customer support, reinforcing its commitment to customer satisfaction. This warranty provides a sense of security for buyers concerned about long-term use and potential issues.
The VIVOSUN does not specify warranty details in the provided data, which may leave potential buyers wondering about after-sales support. A strong warranty can be a significant factor in purchase decisions, and Sun Joe’s offering may provide an edge for those prioritizing customer service.
Which should you buy?
Choosing between the Sun Joe HJ604C and the VIVOSUN 20" Cordless Hedge Trimmer ultimately comes down to your gardening needs. If you are seeking a lightweight, versatile tool for light trimming and maintenance, the Sun Joe HJ604C at $39.97 presents a cost-effective solution. Alternatively, if you require a more powerful hedge trimmer capable of handling larger tasks, the VIVOSUN at $55.99 offers superior cutting performance and efficiency. Each product serves its purpose well, but understanding your specific requirements will lead you to the right choice for your garden.

