Recommended
Samsung Galaxy S24
from ~$799
- Galaxy AI
- Snapdragon 8 Gen 3
- 7 years updates
- Flat titanium-look frame
Samsung · Phone · 2021
Upgrading your Samsung Galaxy S21? The best upgrades right now: Samsung Galaxy S24, Samsung Galaxy S24 Ultra. Compare specs, prices, and buy on Amazon in one tap.
Find your upgrade in the interactive 3D finder →| Display | 6.2" 120Hz AMOLED |
|---|---|
| Chip | Snapdragon 888 |
| Storage | 128GB |
| Battery | 4000 mAh |
| Camera | 64MP triple |
from ~$799
from ~$1299
Only the specs that actually change are listed — everything else is broadly the same.
| Samsung Galaxy S21 | Samsung Galaxy S24 | |
|---|---|---|
| Chip | Snapdragon 888 | Snapdragon 8 Gen 3 |
| Storage | 128GB | 256GB |
| Camera | 64MP triple | 50MP triple |
Your Samsung Galaxy S21 is 5+ years old, which is past the point where most phones stop receiving full software and security updates and where battery wear is significant. This is a genuine upgrade case — and the gains below are large enough that you'll notice them daily, not just on a spec sheet.
For most people the Samsung Galaxy S24 is the best balance of price and improvement, starting around $799. The main gains: Galaxy AI; Snapdragon 8 Gen 3; 7 years updates; Flat titanium-look frame.
It still works, but at 5+ years you're likely past full software support and well into battery wear. Most owners at this age notice a real difference after upgrading.
Trade-in values move constantly with condition and carrier promotions, so treat any fixed number with suspicion. Check the current offer from Apple, Samsung, or your carrier directly, and compare it against selling privately — private sales usually pay more but take longer.