Buying a new phone feels like trying to solve a physics exam. The box is covered in numbers. Megapixels. Milliamperestunden. Candela. You want a good camera? Check the sensor size, not just the megapixel count. You want battery life? Look at the capacity in milliamperes and the charging speed.
Here is the breakdown.
Why megapixels are a lie
Everyone looks at the number first. 108 MP. 200 MP. Big number, good camera? Not necessarily.
A 12-megapixel phone from 2020 takes sharper photos than many 108-megapixel flagships from today. Why? Pixel size and sensor area. A larger sensor captures more light.
Key specs to check:
– Sensor size : Look for “1/1.3 inch” or similar. Bigger is better.
– Pixel size : Larger pixels gather more light in low-light conditions.
– Image processor : Qualcomm Snapdragon or Apple A-series chips process images better than generic chips.
Megapixels only matter if you crop heavily. For everyday snapshots, sensor quality wins.
Battery: Milliamperestunden vs. real world
“Milliamperestunden” (mAh) is German for milliampere-hours. It’s the fuel tank size.
A 5000 mAh battery is standard now. 4500 mAh is acceptable. Below 4000 mAh, you’ll be charging daily.
But the number on the box isn’t the whole story.
– Charging speed : 65W or 100W charging saves time. 15W feels like 2015.
– Screen efficiency : LTPO displays (like in iPhone or Galaxy S series) turn off pixels you don’t need. This saves battery better than a bigger battery alone.
Why does this matter? Because you don’t care about the number. You care if the phone lasts until 9 PM without a power bank.
Brightness and visibility: Candela and nits
Outdoor visibility is a real pain. Sunlight kills most screens.
Manufacturers now advertise peak brightness in nits.
– 600 nits : Passable.
– 1000+ nits : Good for outdoor use.
– 2000+ nits : Top tier. You can read a map in direct sunlight.
If a phone doesn’t list peak brightness, assume it’s mid-range. You’ll squint.
The specs you can ignore
- RAM : 8GB is plenty. 12GB doesn’t make your apps open faster. It’s for multitasking you won’t do.
- Processor name : Snapdragon 8 Gen 3 vs. 8 Gen 4. The difference is 10-15% in benchmarks. You won’t feel it in daily use.
- Refresh rate : 120Hz feels smooth. 144Hz feels slightly smoother. 90Hz is fine. Don’t pay extra for 120Hz over 90Hz.
What to ask before you buy
Instead of memorizing numbers, ask
