HEAD-TO-HEAD COMPARISON
Vantrue M3 vs Wolfbox G840H
We compare the Vantrue M3 and Wolfbox G840H head-to-head on performance, features, value, and more. Here's which one wins.
Our Pick
Check Price on AmazonVantrue M3
Scored 8.8/10 in our testing
Best Overall
Vantrue M3
Best overall mirror dash cam with premium display
Overall:8.8/10Winner
Check price on Amazon Score Breakdown
| Vantrue M3 | Category | Wolfbox G840H |
|---|---|---|
| 9/10 ✓ | Performance | 7/10 |
| 9/10 ✓ | Features | 7/10 |
| 8/10 | Ease of Use | 8/10 |
| 8/10 | Value | ✓ 10/10 |
| 8.8/10 ✓ | Overall | 8/10 |
Specs Comparison
| Vantrue M3 | Spec | Wolfbox G840H |
|---|---|---|
| 12" IPS touchscreen | Display | 12" IPS |
| 2.5K | Front | 4K |
| 2.5K STARVIS | Rear | 2.5K |
| Built-in | GPS | Parking mode, loop recording |
Vantrue M3
Pros
- + 12-inch IPS display is bright and clear in all lighting
- + STARVIS rear sensor excels in low light
- + GPS logs speed and location for evidence
Cons
- − Heavier than stock mirror — may droop on some mounts
- − 12-inch display can feel overwhelming initially
- − Installation of rear camera takes effort
Wolfbox G840H
Pros
- + 4K front recording at a budget price
- + 12-inch display matches premium competitors
- + SD card included in the box
Cons
- − App is basic and occasionally buggy
- − Night quality below STARVIS-equipped rivals
- − GPS module sold separately
Our Verdict
Based on our scoring, the Vantrue M3 comes out on top with an overall score of 8.8/10. The Vantrue M3's 12-inch IPS display provides the widest, clearest rear view of any mirror cam. The STARVIS rear sensor captures excellent night footage, and the touchscreen interface is responsive and intuitive.
Buy the Vantrue M3 on AmazonRead the full Best Dash Cam Mirror Replacements 2026 guide for complete reviews of all 3 products.