15% cheaper ≈ $300
- Battery life 2 h vs 1 h
- Screen size 7″ vs 6″
- Internal storage 32 GB vs 16 GB
- Pixel density 216 ppi vs 245 ppi
10 truck & RV GPS navigators at a similar price that compete with the dēzl OTR620 — what each does better, what it gives up and how the price compares.