Chip vs Chip

MIFARE DESFire EV1 vs ICODE SLIX2

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MIFARE DESFire EV1 offers 2-8 KB memory with 3DES + AES-128 security, making it ideal for transit, campus cards, access control. ICODE SLIX2 provides 2560 bits with 64-bit password security, suited for library management, industrial tracking, pharmaceutical.

    
  


  
  
  

    
      
MIFARE DESFire EV1

      

        
FamilyMIFARE

        
Memory2048 bytes (user: 1760 B)

        
Price$0.500 – $1.200

      

    
    
      
ICODE SLIX2

      

        
FamilyICODE

        
Memory320 bytes (user: 312 B)

        
Price$0.100 – $0.220

      

    
  

  

  
  

  






  
  

    
MIFARE DESFire EV1 vs ICODE SLIX2


DESFire EV1 is a secure proximity card chip for credential applications. ICODE SLIX2 is
a vicinity item-tracking chip. They operate on different RF protocols, serve different
industries, and are not substitutes for each other.




Overview


MIFARE DESFire EV1: ISO 14443-4, AES-128 / 3DES, 2–8 KB, 0–10 cm range, NFC-A.
Designed for secure access control, transit, and campus card credentials.


ICODE SLIX2: ISO 15693 (NFC-V), 320 bytes, 64-bit password, EAS
function, up to 1 m range. Designed for item-level tracking, library management, and
pharmaceutical serialization.




Key Differences


    

  • Protocol: DESFire EV1 uses ISO 14443-4 (NFC-A). ICODE SLIX2 uses ISO 15693 (NFC-V).
  Readers must explicitly support the target protocol.
    • 

  • Security: DESFire EV1 provides AES-128 authentication/" class="glossary-term-link" data-term="mutual authentication" data-definition="Two-way identity verification between reader and tag" data-category="Security">mutual authentication. SLIX2 provides a
  64-bit password — sufficient for basic write protection, not for strong authentication.
    • 

  • Range: DESFire EV1 operates within 10 cm. SLIX2 reads at up to 1 m.
    • 

  • Memory: EV1 (8 KB) vs SLIX2 (320 bytes).
    • 

  • EAS: SLIX2 includes an Electronic Article Surveillance function for anti-theft
  detection. DESFire EV1 has no equivalent.
    • 





Technical Comparison






Parameter
MIFARE DESFire EV1
ICODE SLIX2






Standard
ISO 14443-4 (NFC-A)
ISO 15693 (NFC-V)




Memory
2–8 KB
320 bytes




Security
AES-128, 3DES
64-bit password




Read range
0–10 cm
0–100 cm




Mutual authentication
Yes (AES)
No




EAS / anti-theft
No
Yes




Data rate
106 kbps
26.48 kbps




Typical cost (volume)
$0.40–$0.80
$0.15–$0.35








Use Cases


DESFire EV1 for: transit cards, corporate access badges, campus credentials.
ICODE SLIX2 for: library books, pharmaceutical blister packs, garment tags, archival items.




Verdict


Choose DESFire EV1 for secure credential applications requiring ISO 14443-4 and AES
authentication. Choose ICODE SLIX2 for item-level tracking applications requiring ISO
15693 with longer read range. The two chips serve fundamentally different system roles.

  

  

  
  
  

    
Recommendation

    
Choose MIFARE DESFire EV1 when you need flexible file system with strong encryption; choose ICODE SLIX2 when you need ISO 15693 with long read range (up to 1 m).