LEECHATWIN 4K Mini Body Camera - Thumb Sports Action Cam vs Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount
Updated August 2026 — LEECHATWIN 4K Mini Body Camera - Thumb Sports Action Cam wins on battery and audio, Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount wins on portability and mounting.
The 4K Mini Body Camera excels in battery life, storage, and audio quality, making it a better choice for most users. However, the i3 offers superior portability and versatile mounting options.
Why LEECHATWIN 4K Mini Body Camera - Thumb Sports Action Cam is better
Battery Life
5.5 hours vs 90 minutes
Storage
128GB built-in vs 64GB external
Audio Quality
Hi-Fi audio vs no emphasis on audio
Why Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount is better
Portability
Smaller and lighter design
Mounting Options
More versatile mounting accessories
Waterproofing
131 feet waterproof case included
Overall score
Specifications
| Spec | LEECHATWIN 4K Mini Body Camera - Thumb Sports Action Cam | Sixmou i3 4K Thumb Action Camera, Tiny Size, Mount |
|---|---|---|
| Video Quality | 4K Ultra HD | 4K |
| Weight | 2.1 oz | 1.25 oz |
| Battery Life | 5.5 hours | 90 minutes |
| Storage | 128GB | 64GB |
| Waterproof | No | 131 feet |
Dimension comparison
Design and Portability
The i3 4K Thumb Action Camera is designed for maximum portability, being smaller than your thumb and weighing just 1.25 ounces. This makes it incredibly easy to mount and carry, providing an unobtrusive recording experience. In contrast, the 4K Mini Body Camera is slightly larger but still compact enough for hands-free use. The i3's lightweight design allows for seamless integration into your daily activities, while the 4K Mini Body Camera, despite being a bit bulkier, offers a robust set of mounting options including a helmet mount and magnetic base. For those prioritizing compactness, the i3 stands out as a clear choice.
Video Quality
Both cameras boast impressive 4K video quality, but the 4K Mini Body Camera takes it a step further with its Hi-Fi audio features. This camera captures immersive sound alongside its vibrant visuals, making it ideal for outdoor adventures and family gatherings. While the i3 also records in 4K, it does not emphasize audio quality in its specifications. Therefore, if sound quality is a critical factor for your recordings, the 4K Mini Body Camera may be the better option, ensuring that not only the visuals are stunning but the audio is as well.
Battery Life
When it comes to battery life, the 4K Mini Body Camera has a significant advantage with 5.5 hours of continuous recording and a 2500mAh charging case that provides up to three full recharges. In contrast, the i3 offers about 90 minutes of recording time in 4K mode with its 800mAh battery. While the i3 allows for recording while charging, the 4K Mini Body Camera’s extended battery life is more suitable for long outdoor activities without the need for frequent recharging. If endurance is a priority, the 4K Mini Body Camera clearly leads in this category.
Storage Capacity
Storage concerns can be a hassle with action cameras, but the 4K Mini Body Camera simplifies this by featuring 128GB of built-in storage. This eliminates the need for an extra memory card, allowing for seamless recording without the anxiety of running out of space. On the other hand, the i3 includes a 64GB card, which, while substantial, is still half the storage of its competitor. The i3’s reliance on an external card can add inconvenience, particularly during spontaneous recording situations. For those who value convenience and ample storage, the 4K Mini Body Camera is the clear choice.
Mounting Options
The i3 excels in versatility with its magnetic design and various mounting accessories, allowing it to be secured in multiple locations, including on your body or gear. Its 360° rotating spring clip makes it adaptable for various recording situations. The 4K Mini Body Camera also offers versatile mounting options, including a multi-functional helmet mount and a strong magnetic base. However, the i3’s more comprehensive accessory kit may appeal to users who want more flexibility in how they capture footage. If the ability to mount your camera in diverse ways is essential, the i3 could be more appealing.
Pricing
In terms of pricing, the 4K Mini Body Camera is listed at $59.99, making it approximately 17% cheaper than the i3, which retails for $73.99. This price difference can be significant for budget-conscious buyers looking for quality action cameras without breaking the bank. While both products offer excellent features for their respective prices, the more economical option may sway some consumers toward the 4K Mini Body Camera without sacrificing essential features.
Sales Performance
The sales performance indicates that the i3 is a more popular choice, holding a bestseller rank of 1892 compared to the 4K Mini Body Camera's rank of 16469. This suggests that consumers are gravitating towards the i3 possibly due to its compact design, versatile mounting options, or other appealing features. However, bestseller ranks can fluctuate, and they may not always reflect the best value or performance. Therefore, while sales data is useful, it should not be the sole determinant in making a purchasing decision.
Which should you buy?
Choosing between the 4K Mini Body Camera and the i3 4K Thumb Action Camera ultimately depends on your specific needs. If you prioritize battery life, storage, and audio quality, the 4K Mini Body Camera is a compelling option at a lower price point. However, if you value ultra-compact design and versatile mounting options, the i3 may be the better fit despite its higher price. Each camera has unique strengths, so consider what features matter most to you before making a decision.

