Chip vs Chip

NTAG216 vs MIFARE DESFire EV2

NTAG216 offers 888 bytes memory with 32-bit password security, making it ideal for vCard storage, complex NDEF records, data logging. MIFARE DESFire EV2 provides 2-32 KB with AES-128 + proximity check security, suited for high-security transit, national ID, government.

NTAG 216

Dòng Sản PhẩmNTAG
Bộ Nhớ924 bytes (user: 888 B)
Giá$0.100 – $0.250

MIFARE DESFire EV2

Dòng Sản PhẩmMIFARE
Bộ Nhớ2048 bytes (user: 1760 B)
Giá$0.600 – $1.400

NTAG216 vs MIFARE DESFire EV2: Open Large-Capacity NDEF vs. Relay-Resistant Smartcard

NTAG216 and MIFARE DESFire EV2 illustrate the full gap between a consumer data tag and a high-security enterprise smartcard with relay attack prevention.

Overview

NTAG216 is the largest NTAG21x chip, delivering 888 bytes of smartphone-native NDEF data. Simple password protection and universal readability define its character.

MIFARE DESFire EV2 extends DESFire EV1 with proximity check — hardware-enforced relay attack prevention — and MIsmartApp for delegated multi-stakeholder application management. Available in 2/4/8 KB with AES-128.

Key Differences

  • Relay attack prevention: DESFire EV2's proximity check detects and blocks relay attacks — NTAG216 has no awareness of relay attacks.
  • Security: NTAG216 — 32-bit password. DESFire EV2 — AES-128 mutual auth + relay prevention.
  • Memory: NTAG216 — 888 bytes. DESFire EV2 — 2/4/8 KB.
  • Application management: DESFire EV2 MIsmartApp allows delegated third-party application deployment on issued cards. NTAG216 has no application model.
  • Smartphone readability: NTAG216 — native. DESFire EV2 — dedicated infrastructure only.
  • Price: DESFire EV2 is 8–15× more expensive than NTAG216.

Use Cases

Choose NTAG216 when: - Large NDEF payloads (up to 888 bytes) to smartphone users - Open data delivery without security or authentication

Choose DESFire EV2 when: - Physical access control where relay attacks must be cryptographically prevented - Multi-stakeholder card ecosystem management - High-security certifications are required

Verdict

NTAG216 is the maximum open storage NTAG21x chip for consumer deployments. DESFire EV2 is for high-security physical access control where relay attack prevention is mandatory. They serve completely different threat models and application domains.

Đề Xuất

Choose NTAG216 when you need largest NTAG 21x with most user memory; choose MIFARE DESFire EV2 when you need relay attack protection via proximity check.