CryptoPhone 100 vs BenQ-Siemens EF81
| Type | Touch | Clamshell |
| Dimensions | 129.00 x 73.00 x 18.00 mm | 94.00 x 51.00 x 15.90 mm |
| Weight | 193.00 g | 110.00 g |
| Display size | - | 2.20" |
| Display | Color / TFT 4k colors 240 x 320 px | Color / TFT 256k colors 240 x 320 px (2.20") 182 ppi |
| Display protection |   | |
| Additional display | | Color / TFT 256k colors 120 x 160 px (1.30") |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 210 min. (3.5 h) | 2G: 270 min. (4.5 h) 3G: 210 min. (3.5 h) |
| Stand-by (max.) | 2G: 150 h. (6.3 days) | 2G: 300 h. (12.5 days) 3G: 250 h. (10.4 days) |
| PDA mode work time | 18 h (0.8 days) | nd |
| Standard battery | Li-Po 1500 mAhBuy powerbank
| Li-Ion 950 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory |  | 1000 places |
| Internal memory | 32 MB | 64 MB |
| RAM memory | 64 MB | |
| Memory cards |  SD, MMC | microSD up to 1 GBBuy memory card |
| Operating system | MS Windows Mobile 2002 | - |
| Processor | StrongARM | Qualcomm MSM6250 |
| Processor clock | 206 MHz | 180 MHz |
| GPU | - | - |
| Touchscreen | | |
| SAR (10g) | | 0,37 W/kg |
| DualSIM | | |
| Other names | - | - |
| GSM frequencies | 900 1800 | 900 1800 1900 |
| UMTS | | 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | nd | 2 Mpx |
| Resolution | nd | 1600x1200 px |
| Optical zoom | nd | |
| Digital zoom | nd | 5x |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 176x144 px |
| Video formats | nd | MPEG4, 3GP, H.263, Real video |
| Additional | nd | - |
CAMERAS - FRONT
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v1.2 | v2.0 |
| HSCSD | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 8 | class 10 |
| EDGE | | |
| Bluetooth | | |
| HDMI | | |
| WiFi | | |
| WiFi frequencies | | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | v2.0 |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | 500 places |
| EMS | | |
| MMS | | |
| Dictionary | | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4 | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Sound formats | WAV | AAC, AAC+, MIDI, RA8, WAV |
| Polyphony | | 64 voices |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | MIDP 2.0 CLDC 1.1 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |