Chip vs Chip

MIFARE Classic 4K vs FeliCa Standard

<\/script>\n
'; }, get iframeSnippet() { const domain = '{ SITE_DOMAIN }'; const type = '{ embed_type }'; const slug = '{ embed_slug }'; return ''; }, get activeSnippet() { return this.method === 'script' ? this.scriptSnippet : this.iframeSnippet; }, copySnippet() { navigator.clipboard.writeText(this.activeSnippet).then(() => { this.copied = true; setTimeout(() => { this.copied = false; }, 2000); }); } }" @keydown.escape.window="open = false" @click.outside="open = false">

Embed This Widget

Theme


      
    

Widget powered by . Free, no account required.

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 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 14443-3A, 4,096 bytes, Crypto-1 (broken), dominant in European and global legacy transit infrastructure.

FeliCa Standard (Sony): NFC-F (JIS X 6319-4), 212/424 kbps, 3DES authentication/" class="glossary-term-link" data-term="mutual authentication" data-definition="Two-way identity verification between reader and tag" data-category="Security">mutual authentication, 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.

Recommendation

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.