MIFARE DESFire EV3 vs ST25DV
MIFARE DESFire EV3 offers 2-32 KB memory with AES-128 + SCP03 security, making it ideal for transit, corporate access, national programs. ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
MIFARE DESFire EV3
ST25DV
MIFARE DESFire EV3 vs ST25DV
DESFire EV3 is NXP's flagship secure card IC. ST25DV is STMicroelectronics' dual-interface IoT tag with I2C integration and energy harvesting. Different system architectures with minimal overlap.
Overview
MIFARE DESFire EV3: ISO 14443ISO 14443Standard for contactless smart cards at 13.56 MHz (Types A and B)View full →-4 (NFC-A), AES-128, SDM, Proximity Check, Transaction MAC, SCP03, 2–32 KB. Designed for secure card credentials.
ST25DV: ISO 15693ISO 15693Standard for vicinity-range smart cards, 1+ meter read rangeView full → (NFC-V), I2C host interface, energy harvesting output, 512 B – 8 KB, configurable password-protected areas. Designed for IoT sensor integration and smart labels where a host MCU and NFC readerNFC readerActive device generating RF field to initiate communication with tagsView full → share memory.
Key Differences
- Dual interface: ST25DV has both RF and I2C. EV3 is RF-only.
- Protocol: EV3 uses ISO 14443-4 (NFC-A); ST25DV uses ISO 15693 (NFC-V).
- Security: EV3 provides AES-128 + SDM + Proximity Check. ST25DV provides 64-bit passwords per area.
- Energy harvesting: ST25DV can power external circuits from the RF field.
- SDM: EV3 supports Secure Dynamic Messaging for URL-based tap verification. ST25DV supports NDEF but without SDM.
- Architecture fit: EV3 is a card inlay chip; ST25DV is a PCB component.
Technical Comparison
| Parameter | MIFARE DESFire EV3 | ST25DV |
|---|---|---|
| Standard | ISO 14443-4 (NFC-A) | ISO 15693 (NFC-V) |
| Host interface | None | I2C |
| Memory | 2–32 KB | 512 B – 8 KB |
| Security | AES-128, SDM, Proximity Check | 64-bit password |
| Energy harvesting | No | Yes |
| SDM | Yes | No |
| Typical cost (volume) | $0.60–$1.20 | $0.50–$1.50 |
Verdict
Not directly comparable. EV3 for high-security card credential programs. ST25DV for MCU-integrated IoT smart label applications where RF-to-I2C data bridging and energy harvesting are needed.
Rekomendasi
Choose MIFARE DESFire EV3 when you need latest DESFire with Secure Channel Protocol; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.