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Chip Comparison
Quick reference for memory, compatibility, and best use cases
| Chip | Memory | iPhone | Android | Best For | Action |
|---|---|---|---|---|---|
NTAG213Most Popular | 144 bytes | Simple URLsMarketing | Shop | ||
NTAG215 | 504 bytes | vCardsSocial profiles | Shop | ||
NTAG216Max Memory | 888 bytes | Full vCardsRich content | Shop | ||
NTAG 424 DNAEnterprise | Secure | AuthenticationAnti-counterfeit | Shop | ||
NTAG I2CIoT | Various | IoT devicesEnergy harvesting | Shop | ||
Mifare Classic 1K | 1 KB | Legacy accessTransport cards | Shop | ||
Mifare Classic 4K | 4 KB | Large dataMulti-application | Shop | ||
Mifare DESFire EV2High Security | 2-8 KB | High securityMulti-app | Shop | ||
ICODE SLIX | 896 bits | LibraryRetail RFID | Shop |
Chip Families
Understanding the major NFC chip categories
NTAG Series
Universal NFC tags with iPhone and Android support. Best for consumer applications.
Best for: Consumer NFC applications
Mifare
Industry standard for access control and transport. Various security levels available.
Best for: Access control, transport, payments
ICODE
Optimized for inventory and library applications. High-frequency RFID.
Best for: Inventory, library, retail
Memory Quick Reference
How much memory do you need?
URLs under 100 characters
- Short marketing URLs
- Wi-Fi credentials
- Simple redirects
URLs 100-400 characters
- vCards (no photo)
- Multi-link profiles
- UTM-tracked URLs
URLs 400+ characters
- Full vCards with photo
- Complex data payloads
- Multi-record NDEF
Pro tip: Always add 10-15 bytes for NDEF overhead when calculating your URL length. URL-encoded special characters also increase size.Learn more