Asus P550 vs Motorola ROKR E1
| Type | Touch | Bar (classic) |
| Dimensions | 121.00 x 70.00 x 16.50 mm | 108.00 x 46.00 x 20.50 mm |
| Weight | 188.00 g | 107.00 g |
| Display size | 3.50" | - |
| Display | Color / TFT 64k colors 240 x 320 px (3.50") 114 ppi | Color / TFT 256k colors 176 x 220 px |
| Display protection |   | |
| Additional display | | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 720 min. (12.0 h) | 2G: 560 min. (9.3 h) |
| Stand-by (max.) | 2G: 600 h. (25.0 days) | 2G: 230 h. (9.6 days) |
| Standard battery | Li-Ion 1530 mAhBuy powerbank
|  |
| Quick battery charging | | |
| Wireless battery charging | | |
| Phonebook memory | 1000 places | 1000 places |
| Internal memory | 256 MB | |
| RAM memory | 64 MB | |
| Memory cards |  miniSD | microSD |
| Operating system | MS Windows Mobile 6.0 Pro | - |
| Processor | Marvell PXA270M | - |
| Processor clock | 520 MHz | - |
| GPU | - | - |
| Touchscreen | | |
| SAR (10g) | | 0,91 W/kg |
| DualSIM | | |
| Other names | - | - |
| GSM frequencies | 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 2100 | |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | |
| Resolution | 1600x1200 px | 640x480 px |
| Optical zoom | | |
| Digital zoom | | 4x |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video formats | | MPEG4, H.263 |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Optical zoom | | nd |
| Flash | | nd |
| Dual-colour LED flash | | nd |
| Additional | - | nd |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | v2.0 | v2.0 |
| HSCSD | | |
| HSDPA | | |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 10 | class 10 (4+2) |
| EDGE | | |
| Bluetooth | v2.0 | v2.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 b/g | |
| WiFi frequencies | 2,4 GHz | |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v1.1 | |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | v5.0 |
| MMS | | |
| Dictionary | | iTAP |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, SMTP, IMAP4 |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | 3.5 mm | |
| HD Voice | | |
| Sound formats | AAC, AAC+, WAV, WMA | AAC, MIDI, WAV |
| Polyphony | | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | MIDP 2.0 CLDC 1.0 |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |
