Phone tech, explained
Plain-English guides to the parts of a spec sheet that decide what you pay for, so you can compare phones with confidence.
- Chipsets01
What Is a 3nm Chip? 3nm vs 2nm Phone Processors Explained
What 3nm and 2nm really mean, which 2026 phones use which chips, and what matters in a phone processor: speed, heat, battery life, AI and updates.
Read the guide - Displays02
What Is an LTPO Display? 1-120Hz Refresh Rate Explained
How LTPO screens drop to 1Hz to save battery, what refresh rate, nits and PWM dimming mean, and which 2026 phones have LTPO.
Read the guide - Cameras03
Periscope Zoom Explained: Optical vs Digital Zoom on Phones
How periscope telephoto cameras work, why 2x is often just a crop, what sensor size means, and which 2026 phones have real optical zoom.
Read the guide - Batteries04
Silicon-Carbon Batteries Explained: Why Phones Now Last Longer
What silicon-carbon batteries are, why some phones now pass 7,000 mAh, why mAh is not the whole story, and how charging affects battery health.
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