Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount vs Insta360 GO 3S -
Updated August 2026 — Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount wins on size & weight, Insta360 GO 3S - wins on stabilization and battery life.
The i3 4K Thumb Action Camera offers excellent value and portability, while the Insta360 GO 3S provides advanced features for creative users. Choose based on your budget and needs.
Why Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount is better
Price
i3 is significantly cheaper at $73.99 compared to GO 3S at $319.99.
Weight
i3 is lighter at 1.25 oz compared to GO 3S at 1.4 oz.
Mounting Options
i3 has more mounting accessories and quick-mount features.
Why Insta360 GO 3S - is better
Video Quality
GO 3S offers MegaView FOV for ultra-wide shots.
Battery Features
GO 3S can charge while recording.
Creative Features
GO 3S includes AI editing capabilities.
Overall score
Specifications
| Spec | Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount | Insta360 GO 3S - |
|---|---|---|
| Resolution | 4K | 4K |
| Stabilization | None | FlowState |
| Charging | No | Yes |
| Accessories | 8 | 5 |
| Waterproof Depth | 40m | 60m |
Dimension comparison
Design and Size
When it comes to design and size, the i3 4K Thumb Action Camera is slightly lighter and smaller than the Insta360 GO 3S. The i3 weighs just 1.25 ounces (35.7 grams) and is smaller than a thumb, making it extremely portable. In contrast, the Insta360 GO 3S weighs 1.4 ounces (39 grams), making it marginally heavier. Both cameras are designed to be mounted easily, but the i3 offers a unique magnetic design that allows for quick attachment to various surfaces, while the GO 3S also features a magnetic design along with a wider range of accessories for creative mounting options.
Video Quality
Both cameras offer impressive video capabilities, but the i3 4K Thumb Action Camera and the Insta360 GO 3S differ in their approaches. The i3 records in 4K resolution and provides options for various recording modes, whereas the GO 3S also records in 4K and introduces a new MegaView field of view for ultra-wide shots. While both cameras promise high-quality footage, the advanced features of the GO 3S may cater more to creative users seeking a wider angle and less distortion. This edge could be a deciding factor for vloggers who prioritize video quality above all.
Battery Life
The battery life is another critical comparison point, with the i3 offering about 150 minutes of recording time in 1080P mode and slightly less in higher resolutions. The Insta360 GO 3S provides a similar battery life of 140 minutes, but it boasts the ability to charge while shooting, which can be a significant advantage for long shooting sessions. Although the difference in battery performance is minimal, the GO 3S's flexible charging options may be more appealing for users who need continuous recording capabilities.
Waterproof Features
Both cameras are designed with waterproof capabilities, but they cater to different depths. The i3 can be submerged up to 131 feet (40 meters), making it suitable for a variety of aquatic activities like diving and snorkeling. The Insta360 GO 3S, however, is rated for 10 meters (about 33 feet) without additional housing, but it can reach depths of up to 60 meters (197 feet) when using the Dive Case. For serious underwater enthusiasts, the i3's standard waterproofing is impressive, but the GO 3S's versatility with the Dive Case is a strong contender for adventurous users.
Mounting Options
In terms of mounting options, the i3 4K Thumb Action Camera excels with its magnetic design and a total of eight mounting accessories, allowing users to attach the camera to various gear effortlessly. The Insta360 GO 3S also has a magnetic design and includes several accessories, but the i3's quick-mount features, such as a 360° rotating spring clip and magnetic lanyard pad, may provide more flexibility for spontaneous use. If versatility in mounting is a priority, the i3 could be considered the more convenient option.
Creative Features
The Insta360 GO 3S stands out with its advanced creative features, such as AI editing capabilities that automatically highlight moments and edit them to music. This can significantly streamline the editing process for users who want to produce high-quality content quickly. Conversely, while the i3 focuses on straightforward recording, it doesn’t offer the same level of editing assistance. For those who enjoy post-production creativity, the GO 3S offers additional tools that could enhance the overall vlogging experience.
Pricing
Price is a significant factor when comparing these two cameras. The i3 4K Thumb Action Camera is priced at $73.99, while the Insta360 GO 3S is significantly more expensive at $319.99. This represents a difference of about 333%, which will be a crucial consideration for budget-conscious buyers. While the GO 3S offers more advanced features, the i3 provides excellent value for those who are looking for a reliable, compact camera without breaking the bank.
Which should you buy?
Choosing between the i3 4K Thumb Action Camera and the Insta360 GO 3S ultimately depends on your specific needs and budget. If you're looking for a lightweight, budget-friendly option that provides solid video quality and extensive mounting capabilities, the i3 is a fantastic choice. However, if you prioritize advanced features like superior stabilization, AI editing, and are willing to invest more, the Insta360 GO 3S is worth considering. Each camera has distinct advantages that cater to different types of users, making your decision a matter of personal preference and intended use.

