Chip vs Chip
MIFARE DESFire EV2 vs ST25DV
MIFARE DESFire EV2 offers 2-32 KB memory with AES-128 + proximity check security, making it ideal for high-security transit, national ID, government. ST25DV provides 4-64 Kbit with 64-bit password + configurable areas security, suited for IoT sensors, smart labels, energy harvesting, BLE pairing.
MIFARE DESFire EV2
제품군MIFARE
메모리2048 bytes (user: 1760 B)
가격$0.600 – $1.400
ST25DV
제품군ST25
메모리4096 bytes (user: 4096 B)
가격$0.400 – $1.000
추천
Choose MIFARE DESFire EV2 when you need relay attack protection via proximity check; choose ST25DV when you need dual-interface (NFC + I2C) with energy harvesting.