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Ultralight EV1 (48 Byte) vs. NTAG424

These two chips, the Ultralight EV1 (48 Byte) and the NTAG424 are from different NFC chip families. The Ultralight EV1 (48 Byte), manufactured by NXP belonging to the MIFARE family, and the NTAG424, also manufactured by NXP.

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).

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.

Both these chips have a strong ScanStrength and will work very well with mobile phones.

Key Features

User Memory
48 Bytes
Max URL
40 Chars*
User Memory
256 Bytes
Max URL
249 Chars*
*Characters

Key Specifications

BrandNXP
Chip SeriesMIFARE
NFC ForumType 2
AvailabilityHigh
ScanStrengthHigh
BrandNXP
Chip SeriesNTAG
NFC ForumType 4
AvailabilityLow
ScanStrengthHigh

Phone compatibility

Apple
Android
Apple
Android

Typical Use Cases

  • Single Use Vouchers
  • Transport Ticketing
  • Event Ticketing
  • Marketing
  • Anti-counterfeit
  • Authentication
  • Phygital

User Features

 Ultralight EV1 (48 Byte)NTAG424
Total memory (bytes)80416
User memory (bytes)48256
Max URL (chars)40249
UID (bytes)77
ECC signature
32-bit password -
UID ASCII mirror-
Scan Counter-
Counter ASCII mirror-
Lockable

Technical Specifications

 Ultralight EV1 (48 Byte)NTAG424
Chip thickness75 µm / 120 µm75 µm / 120 µm
NFC ForumType 2Type 4
Operating Freq.13.56Mhz13.56Mhz
Data Trans. Rate106 kbit/sUp to 848 kbit/s
Input Capacitance17pF / 50pF50 pF
Fast read -
Data retention (years)1050
Write endurance (cycles)100000 200000
Anticollision-
StandardISO/IEC 14443 AISO/IEC 14443 A
Release date20132019

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