Choosing Between Full HD (1080p) and 4K Dashcams

When choosing between a Full HD (1080p) dashcam and a 4K dashcam, here are the key differences and considerations to help you decide which one suits your needs:

1. Video Quality

If you need more precise footage (for example, to read license plates clearly in various conditions), a 4K dashcam will perform better.

4K (Ultra HD): 

  • Resolution: 3840 × 2160 pixels
  • Sharper image with greater detail, useful for reading license plates, street signs, and small objects, especially at a distance.

Full HD (1080p): 

  • Resolution: 1920 × 1080 pixels
  • Decent quality for most needs but may struggle with fine details, especially in low light or when objects are far away.

2. Storage Requirements

If you don’t want to swap or overwrite memory cards frequently, 1080p might be more practical. With a 4K dashcam, investing in a larger-capacity SD card (128GB, 256GB or higher) will be essential.

4K Dash Cams

  • 4K dashcams generate larger file sizes due to the higher resolution, filling up storage cards faster.

Full HD Dash Cams 

  • Full HD dashcams consume less space, meaning longer recording times on the same-sized storage card.

3. Battery and Heat Management

In extreme climates or hot regions, 1080p may be a safer choice unless you have a heat-resistant dashcam.

4K Dash Cams

  • 4K dashcams consume more power and may run hotter, which can reduce the dashcam’s lifespan and cause issues if used for extended periods in hot environments.

Full HD Dash Cams 

  • 1080p dashcams are more power-efficient and generate less heat.

4. Price

If budget is a concern, 1080p offers better value for money, especially if you don't need ultra-high detail.

4K Dash Cams

  • 4K dashcams are generally more expensive due to higher-end sensors and processors.

Full HD Dash Cams 

  • Full HD dashcams are more affordable and still provide solid performance for most users.

5. Connectivity and Features

4K Dash Cams

  • Both 4K and 1080p dashcams can offer features like GPS tracking, Wi-Fi, parking mode, and collision detection. 
  • Some 4K models offer better app support or more advanced features, but this varies by brand.

Final Recommendation

Choose a 4K dashcam if:

  • You need superior detail (e.g., legal or insurance evidence).
  • You have a large storage capacity and can manage frequent file overwrites.
  • You drive in urban areas where recording fine details matters more.

Choose a 1080p dashcam if:

  • You prioritize affordability, storage efficiency, and heat resistance.
  • You mostly drive in low-traffic areas where extreme detail is unnecessary.
  • You need a reliable dashcam without worrying about storage and power consumption.

70mai Dashcams: 1080p vs 4K – Which One to Choose?

70mai offers several high-quality dashcams across different resolutions. Below is a detailed comparison of their 1080p and 4K models, with recommendations based on different scenarios to help you choose the right dashcam.

Comparison of Key Models

Which 70mai Dashcam Should You Choose?

Why Choose the 70mai Dash Cam A200 (1080p)?
  • Ideal for Daily Use: The 1080p resolution is sufficient for recording everyday driving activities and capturing incidents.
  • Affordable and Storage-Efficient: Files are smaller, allowing longer recording times on the same storage card (e.g., 32GB, 64GB or 128GB), reducing the need for frequent overwriting.
  • Lower Heat Generation: Runs cooler and is more stable in hot environments, making it suitable for continuous use.

Recommended For:
Commuters or occasional drivers looking for a reliable, budget-friendly dashcam without advanced requirements.

Why Choose the 70mai A800S (4K UHD)?
  • Superior Video Quality: 4K resolution captures finer details such as license plates and street signs, even at high speeds.
  • Built-in GPS and Advanced Night Vision: Comes with Sony STARVIS sensors for clearer night footage and GPS tracking for route records.
  • Additional Features: Supports ADAS (Advanced Driver Assistance Systems) like lane departure and forward-collision warnings, making it great for long drives.

Recommended For:
Frequent travelers, business drivers, or those who need higher detail and night vision performance.

Conclusion

Both models are excellent choices from 70mai, known for their reliability and performance. The best dashcam for you depends on your driving conditions, budget, and storage capacity.