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- S vs X Card
CoolWallet S vs Ellipal X Card
What S does better (6) and where X Card wins (5) — every spec side by side.
Why is S better than X Card?
- ScreenYes · X Card: No
- Upgradable firmwareYes · X Card: No
- USBYes · X Card: No
- BluetoothYes · X Card: No
- Built-in batteryYes · X Card: No
- Water / dust resistanceYes · X Card: No
Why is X Card better than S?
- Secure Element certificationEAL5+ vs EAL6+
- BIP39 passphraseNo · S: Yes
- Wipe after failed attemptsNo · S: Yes
- NFC backup cardNo · S: Yes
- NFCNo · S: Yes
Specifications
Side by side
| Security | ||
| Secure Element chip | Yes | Yes |
| Secure Element certification | EAL5+ | EAL6+ |
| Air-gapped signing | No | No |
| 100% air-gapped | No | No |
| Supply-chain & tamper protection | Yes | Yes |
| Anti-klepto (anti-exfil) signing | No | No |
| Firmware & open source | ||
| Open-source firmware | No | No |
| Source code available | No | No |
| Reproducible builds | No | No |
| Upgradable firmware | Yes | No |
| Firmware update via | USB | — |
| Bitcoin-only firmware / edition | No | No |
| Device lock | ||
| PIN lock | Yes | Yes |
| PIN entered on the device | No | No |
| Fingerprint unlock | — | No |
| Duress PIN / decoy wallet | No | No |
| Brick / wipe PIN | No | No |
| Wipe after failed attempts | No | Yes |
| Time-delayed unlock | No | No |
| Anti-phishing words | No | No |
| Keys & backup | ||
| BIP39 passphrase | No | Yes |
| Shamir backup (SLIP-39) | No | No |
| Seed XOR | No | No |
| BIP85 child seeds | No | No |
| 24-word seed | Yes | Yes |
| SeedQR backup | No | No |
| microSD backup | No | No |
| NFC backup card | No | Yes |
| User-added entropy (dice) | No | No |
| Stateless use (no stored keys) | No | No |
| Multiple seeds on one device | No | Yes |
| Bitcoin features | ||
| Multisig | No | No |
| Taproot | No | No |
| Miniscript | No | No |
| Message signing | No | No |
| Coin control | No | No |
| Own node connection | No | No |
| Tor support | No | No |
| Replace-by-fee | No | No |
| Silent Payments | No | No |
| Spending limits | No | No |
| Testnet | No | No |
| Supported assets | ||
| Altcoins & tokens | Yes | Yes |
| Bitcoin only | No | No |
| Connectivity | ||
| Signing connectivity | USB, Bluetooth | NFC |
| USB | Yes | No |
| USB-C | No | — |
| Bluetooth | Yes | No |
| NFC | No | Yes |
| QR code camera | No | No |
| Animated QR (UR) | No | No |
| microSD signing | No | No |
| Screen & input | ||
| Screen | Yes | No |
| Screen size | 1.03″ | — |
| Screen type | E-Ink | — |
| Touchscreen | No | No |
| Colour screen | No | No |
| Gorilla Glass | No | — |
| Controls | Buttons | — |
| QWERTY keyboard | No | No |
| Battery & power | ||
| Built-in battery | Yes | No |
| Battery capacity | 15 mAh | — |
| Removable battery | No | — |
| Wireless charging | No | — |
| Design | ||
| Weight | 6 g | 6 g |
| Length | 85.6 mm | 85.6 mm |
| Width | 54 mm | 54 mm |
| Thickness | 0.8 mm | — |
| Materials | Plastic & Metal | Plastic |
| Water / dust resistance | Yes | No |
| Several colours available | No | No |
| Warranty (months) | 12 | 12 |
| Assembled in | Taiwan | Hong Kong |
| DIY build possible | No | No |
| Apps | ||
| Official apps | Android, iOS | Android, iOS |
| Desktop app | No | No |
| Mobile app | Yes | Yes |
| Compatible third-party wallets | 0 | 0 |
| Other features | ||
| FIDO2 / U2F security key | No | No |
| Password manager | No | No |
