MIFARE Classic 4K vs FeliCa Standard
MIFARE Classic 4K offers 4096 bytes memory with Crypto-1 (broken) security, making it ideal for legacy transit with stored value, multi-application cards. FeliCa Standard provides variable with 3DES mutual authentication security, suited for Japan/HK transit (Suica, Octopus), e-money, ID systems.
MIFARE Classic 4K
FeliCa Standard
MIFARE Classic 4K vs FeliCa Standard
Both chips were designed for transit and multi-application smart card deployments, but they emerged from different geographic ecosystems and use different RF command sets.
Overview
MIFARE Classic 4K (NXP): ISO 14443ISO 14443Standard for contactless smart cards at 13.56 MHz (Types A and B)View full →-3A, 4,096 bytes, Crypto-1Crypto-1Broken proprietary cipher in MIFARE Classic (reverse-engineered 2008)View full → (broken), dominant in European and global legacy transit infrastructure.
FeliCa Standard (Sony): NFC-F (JIS X 6319-4), 212/424 kbps, 3DES authenticationauthenticationIdentity verification of NFC tags/readers via passwords or cryptographyView full →/" class="text-cyan-600 dark:text-cyan-400 underline decoration-dotted decoration-cyan-300 dark:decoration-cyan-700 underline-offset-2 hover:decoration-solid transition-colors">mutual authenticationmutual authenticationTwo-way identity verification between reader and tagView full →, variable memory (~8 KB for Suica), dominant in Japan and Hong Kong transit (Suica, PASMO, Octopus, iD, nanaco, WAON).
Key Differences
- Speed: FeliCa operates at 212–424 kbps vs Classic 4K's 106 kbps. This enables faster gate throughput in high-density transit environments.
- Security: Classic 4K's Crypto-1 is fully broken. FeliCa's 3DES provides genuine mutual authentication — not as strong as AES-128, but computationally intact.
- Geography: Classic 4K is primarily a European and Middle Eastern technology. FeliCa is Japan and Hong Kong.
- Protocol: Different RF command sets — ISO 14443-A readers cannot read FeliCa and vice versa (though modern readers often support both).
- Multi-application: Both support multiple applications. FeliCa's file system uses a Service Code / Area model; Classic 4K uses sectors.
Technical Comparison
| Parameter | MIFARE Classic 4K | FeliCa Standard |
|---|---|---|
| Protocol | ISO 14443-3A | NFC-F |
| Data rate | 106 kbps | 212 / 424 kbps |
| Memory | 4,096 bytes | ~8 KB (variable) |
| Security | Crypto-1 (broken) | 3DES (intact) |
| Mutual authentication | Weak | Yes (3DES) |
| Transit deployments | Europe (legacy) | Japan, Hong Kong |
| Smartphone emulation | Limited | Yes (Suica on Apple Pay, Google Pay) |
| Typical cost (volume) | $0.15–$0.35 | $0.30–$0.80 |
Verdict
Geography determines the choice. For Japan/Hong Kong, FeliCa Standard is the required infrastructure. For European or global deployments, Classic 4K is the legacy option — but should be migrated to DESFire EV3. Both platforms have better modern successors.
Recomendación
Choose MIFARE Classic 4K when you need largest Classic with 4 KB memory; choose FeliCa Standard when you need ultra-fast 212/424 kbps transaction speed.