NTAG424 vs. Ultralight EV1 (48 Byte)
These two chips, the NTAG424 and the Ultralight EV1 (48 Byte) are from different NFC chip families. The NTAG424, manufactured by NXP belonging to the NTAG family, and the Ultralight EV1 (48 Byte), also manufactured by NXP.
The authentication NTAG424 DNA chip was launched in 2019 as a replacement for the first authentication NTAG chip, the NTAG413. Hosting a wealth of security features this second generation frictionless authentication chip is now the standard for anti-counterfeit, phygital (physical to digital) and web3 based projects.
The NXP MIFARE Ultralight® EV1 is a updated version of the very popular Ultralight chip from NXP. The original Ultralight chip dates back to 2001 and the product has been used for ticketing the world over. It’s a very simple, reliable and cost effective product. Unfortunately, there’s probably almost as many non-genuine MIFARE Ultralight chips as genuine ones. The EV1 update added an originality check feature to help counteract this.
There are two variants of the Ultralight EV1 with two memory capacities. The smaller chip has 48 bytes of usable memory (similar to the NTAG210 and NTAG210micro) and the larger has 128 bytes (similar to the NTAG212).
Both these chips have a strong ScanStrength and will work very well with mobile phones.
Key Features
Key Specifications
| Brand | NXP |
| Chip Series | NTAG |
| NFC Forum | Type 4 |
| Availability | Low |
| ScanStrength | High |
| Brand | NXP |
| Chip Series | MIFARE |
| NFC Forum | Type 2 |
| Availability | High |
| ScanStrength | High |
Phone compatibility
Typical Use Cases
- Anti-counterfeit
- Authentication
- Phygital
- Single Use Vouchers
- Transport Ticketing
- Event Ticketing
- Marketing
User Features
| NTAG424 | Ultralight EV1 (48 Byte) | |
|---|---|---|
| Total memory (bytes) | 416 | 80 |
| User memory (bytes) | 256 | 48 |
| Max URL (chars) | 249 | 40 |
| UID (bytes) | 7 | 7 |
| ECC signature | ||
| 32-bit password | - | |
| UID ASCII mirror | - | |
| Scan Counter | - | |
| Counter ASCII mirror | - | |
| Lockable |
Technical Specifications
| NTAG424 | Ultralight EV1 (48 Byte) | |
|---|---|---|
| Chip thickness | 75 µm / 120 µm | 75 µm / 120 µm |
| NFC Forum | Type 4 | Type 2 |
| Operating Freq. | 13.56Mhz | 13.56Mhz |
| Data Trans. Rate | Up to 848 kbit/s | 106 kbit/s |
| Input Capacitance | 50 pF | 17pF / 50pF |
| Fast read | - | |
| Data retention (years) | 50 | 10 |
| Write endurance (cycles) | 200000 | 100000 |
| Anticollision | - | |
| Standard | ISO/IEC 14443 A | ISO/IEC 14443 A |
| Release date | 2019 | 2013 |
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