CHI Original 1" Ceramic Hair Straightener Flat vs SUNMAY Cordless Hair Straightener, 0.
Updated August 2026 — CHI Original 1" Ceramic Hair Straightener Flat wins on durability and ease of use, SUNMAY Cordless Hair Straightener, 0. wins on portability and heating speed.
The CHI Original offers superior performance and versatility, while the SUNMAY excels in portability and convenience. Choose based on your styling needs.
Why CHI Original 1" Ceramic Hair Straightener Flat is better
Performance
Higher maximum temperature for better styling results
Versatility
Can straighten, curl, and flip hair effectively
Popularity
Higher bestseller rank indicates better user satisfaction
Why SUNMAY Cordless Hair Straightener, 0. is better
Portability
Cordless design makes it easy to travel with
Quick Heat-Up
Heats up in just 20 seconds for fast styling
Weight
Lighter weight makes it easier to handle
Overall score
Specifications
| Spec | CHI Original 1" Ceramic Hair Straightener Flat | SUNMAY Cordless Hair Straightener, 0. |
|---|---|---|
| Heating Tech | Ceramic | Titanium |
| Cordless | No | Yes |
| Dual Voltage | No | Yes |
| Temperature Settings | 1 | 3 |
| Styling Options | 4 | 2 |
Dimension comparison
Overview of the Products
The CHI Original 1" Ceramic Hair Straightener is designed for versatile styling, while the SUNMAY Cordless Hair Straightener stands out for its portability and cordless functionality. Both products cater to different needs, offering unique features that appeal to various users. The CHI straightener is priced at $49.88, while the SUNMAY model is available for $44.98, making it about 17% cheaper.
Design and Portability
The design of the SUNMAY Cordless Hair Straightener is focused on convenience and travel. Weighing only 0.5 lbs and measuring 0.85 inches, it's compact enough to fit into a lady's carry bag, making it ideal for on-the-go styling. In contrast, the CHI Original straightener, with its 1" ceramic floating plates, is more suited for home use, providing a more traditional styling experience. The portability of the SUNMAY model is further enhanced by its dual voltage capability, allowing it to be used worldwide, an essential feature for frequent travelers.
Heating Technology
The CHI Original straightener utilizes advanced ceramic technology, heating up to a set temperature of 392°F for consistent results across all hair sections. This technology ensures even heat distribution, promoting smoother and healthier hair. On the other hand, the SUNMAY straightener boasts a rapid heating feature, reaching 165°C in just 20 seconds. This quick heat-up time is particularly beneficial for users who need to style their hair quickly. While both products offer effective heating, the CHI model has a higher maximum temperature, catering to those with thicker or coarser hair.
Versatility in Styling
When it comes to styling versatility, the CHI Original straightener excels with its ability to straighten, curl, flip, and style hair, making it a comprehensive tool for various looks. Its ergonomic design and floating plates allow for easy maneuverability, ensuring a polished finish. Conversely, the SUNMAY Cordless Hair Straightener also offers 2-in-1 functionality, allowing users to achieve both straight and curly styles. While both products cater to different styling needs, the CHI model may provide a more salon-quality result, as suggested by its professional-grade design.
Battery Life and Convenience
The SUNMAY Cordless Hair Straightener features a built-in 5000mAh rechargeable battery, providing 20-30 minutes of use on a full charge. This battery life is sufficient for quick touch-ups, which is perfect for users who are often on the go. In comparison, the CHI straightener relies on a direct power source, which means it does not have the same portability as the SUNMAY model. However, the CHI does not require charging, allowing for uninterrupted styling sessions, which may be more convenient for users who prefer to style their hair at home.
Price Comparison
The CHI Original straightener is priced at $49.88, while the SUNMAY model comes in at $44.98. This price difference of about $5 makes the SUNMAY model the more budget-friendly option. However, considering the CHI straightener's features, such as advanced ceramic technology and a higher maximum heat setting, it may justify its higher price for those prioritizing performance and quality.
User Experience and Feedback
With a bestseller rank of 3,276, the CHI Original straightener is popular among users for its effectiveness in achieving smooth, frizz-free hair. Many reviews highlight its durability and professional results. In contrast, the SUNMAY model holds a sales rank of 13,219, indicating a lower popularity level. Users appreciate its portability and quick heating capabilities but may note some limitations regarding styling results compared to the CHI. Overall, the CHI has established a more robust reputation in the market, particularly among professional users.
Which should you buy?
Choosing between the CHI Original 1" Ceramic Hair Straightener and the SUNMAY Cordless Hair Straightener ultimately depends on your specific needs and preferences. If you prioritize portability and quick heat-up times for on-the-go styling, the SUNMAY model is an excellent choice at $44.98. However, for those seeking a professional-grade styling tool with superior heat settings and versatile styling options, the CHI Original at $49.88 is likely the better investment. Consider your lifestyle and styling preferences to make the best decision.

