Compare 70mai A500S vs A810: Which 2.7K vs 4K Dash Cam is Right for You?
Installing a dashcam is an option for recording events during driving, which may help provide information in unexpected situations such as accidents or insurance claims. However, its use should comply with relevant laws and regulations.
Among the 70mai dashcam lineup, popular models include:
- 70mai A500S (Pro Plus+) – A 2.7K dashcam focusing on value and essential functions.
- 70mai A810 (4K) – A 4K dashcam offering high resolution and additional features.
This article provides a technical comparison between these two models to help assess their suitability for practical use.
Using a dashcam in this manner is solely for recording data while driving, which may be beneficial in certain situations. However, the effectiveness of its use depends on the environment and individual usage patterns.
70mai A500S (Pro Plus+) – A 2.7K Dash Cam focused on value and essential functions
Resolution (2.7K / 1944p / 2592×1944)
The 70mai A500S (Pro Plus+) comes with 2.7K resolution, offering more detailed images than 1080p, making it suitable for daily use and urban driving.
Pros
- Supports basic event recording for reference
- Uses less storage space than higher resolutions
- Affordable for beginner users
Camera Sensor (Sony IMX335)
The Sony IMX335 sensor is used in many camera models, providing color rendition close to actual daylight conditions.
Pros
- Stable performance for general use
- Provides suitable color tones for daylight conditions
Parking Mode (G-sensor)
The G-Sensor detects vibrations, allowing the camera to start recording when an impact occurs, according to the preset conditions.
Key Usage Features
- Suitable for first-time dashcam users
- Supports recording general events
- Doesn't require a lot of storage space
Vendor
Product
70mai A810 (4K): High-Resolution Dash Cam with AI Detection
Resolution (4K / 2160p)
4K (2160p) resolution provides more detailed images than 3K and 1080p, especially in situations where many visual elements need to be seen.

Advantages
- Supports image enlargement while retaining a certain level of detail
- Increases the chance of clearly capturing details such as license plates in certain environments
- Suitable for applications requiring enhanced detail, such as long-distance driving
Sony Starvis 2 IMX678 Sensor
The Sony Starvis 2 IMX678 sensor is designed to support image recording in low-light conditions, with improvements in light reception and dynamic range management.
Advantages
- Supports better image recording in low-light conditions compared to previous sensor models
- Helps reveal more detail in scenes with varying light levels in certain situations
- Suitable for use at night or in areas with limited lighting
Parking Mode (AI Detection)
The AI motion detection system is used to record events around the vehicle when parked, with some instances supporting pre-recording based on device conditions.
Key Functional Highlights
- Automatically starts recording when motion or events are detected by the system
- Supports object detection, such as people or vehicles, in some situations
- Increases the chance of recording events around the vehicle while parked




















70mai
70mai Dash Cam A810 4K Full HD WDR 4G Car Camera
70mai Dash Cam A810 4K Full HD WDR 4G Car Camera
A810 / No memory card.
รามอินทรา กม 14
ปั้มน้ำมันคาลเท็กซ์ รามอินทรา, กม.14)72/6 ถ. รามอินทรา แขวงมีนบุรี เขตมีนบุรี กรุงเทพมหานคร 10510
Min Buri
กรุงเทพมหานคร 10510
Thailand
กาญจนาภิเษก
62 ในปั๊มน้ำมันบางจาก 3 ถ. กาญจนาภิเษก บางระมาด เขตตลิ่งชัน กรุงเทพมหานคร 10600
Taling Chan
กรุงเทพมหานคร 10600
Thailand
ท่าพระ
199/9 Ratchadaphisek-Thapra Road, Soi 8, Bukkhalo Subdistrict
Thonburi District
กรุงเทพมหานคร 10660
Thailand
Factors to Consider Before Choosing a Dash Cam
-Image Resolution (2.7K vs 4K)
-Driving Conditions (Day / Night / Long Distance)
-Storage (Memory Card)
-Additional Features such as Parking Mode and AI Detection
-Budget and Value for Money
Recommendations Before Buying a 70mai Dash Cam
- Check the supported memory card capacity.
- Consider the essential features for actual use.
- Review warranty and installation conditions.
- Use the device in compliance with relevant laws and regulations.

FAQ: 70mai A500S (Pro Plus+) vs A810
1) What is the difference between 70mai A500S and A810?
The main differences are "resolution" and "sensor performance."
The A500S records 2.7K (1944p) video with a Sony IMX335 sensor, providing sufficient clarity for general use. The A810 elevates this to 4K (2160p) with a Sony STARVIS 2 IMX678 sensor for better image detail, especially in low-light conditions.
2) Is a 4K camera necessary?
Not necessary for everyone, but "ideal" for those who want more image detail than general use.
2.7K (1944p) offers a good balance of value and quality, sufficient for recording daily events.
4K (2160p) allows for clearer viewing of important details, such as license plates, especially at long distances or in low light conditions.
3) Which model is more suitable for you?
The A500S is suitable for beginners, easy to use, and offers good value.
The A810 is suitable for those who want higher image quality and the latest technology.
4) How is the night performance?
Both models support night recording, with the A810 providing better performance in low light conditions due to its newly developed sensor.
5) What is Parking Mode?
Parking Mode is an automatic recording system when the car is parked. Both models support operation via G-Sensor, which starts recording when there is an impact or movement, providing greater peace of mind every time you park your car.

