Chip vs Chip
MIFARE Classic 4K vs MIFARE DESFire EV2
MIFARE Classic 4K offers 4096 bytes memory with Crypto-1 (broken) security, making it ideal for legacy transit with stored value, multi-application cards. MIFARE DESFire EV2 provides 2-32 KB with AES-128 + proximity check security, suited for high-security transit, national ID, government.
MIFARE Classic 4K
제품군MIFARE
메모리4096 bytes (user: 3440 B)
가격$0.120 – $0.250
MIFARE DESFire EV2
제품군MIFARE
메모리2048 bytes (user: 1760 B)
가격$0.600 – $1.400
추천
Choose MIFARE Classic 4K when you need largest Classic with 4 KB memory; choose MIFARE DESFire EV2 when you need relay attack protection via proximity check.