Motorola ROKR U9 vs Samsung GT-i8510
| Type | Clamshell | Slide |
| Dimensions | 90.00 x 48.60 x 16.40 mm | 106.50 x 55.90 x 16.90 mm |
| Weight | 87.50 g | 136.00 g |
| Display size | 2.00" | 2.80" |
| Display | Color / TFT 256k colors 240 x 320 px (2.00") | Color / TFT 16M colors 240 x 320 px (2.80") 143 ppi |
| Display protection |   | |
| Additional display | Color / OLED 64k colors 128 x 160 px (1.45") | |
| Protection of the secondary display | | |
| Talk time (max.) | 2G: 430 min. (7.2 h) | 2G: 510 min. (8.5 h) 3G: 300 min. (5.0 h) |
| Stand-by (max.) | 2G: 350 h. (14.6 days) | 2G: 310 h. (12.9 days) 3G: 330 h. (13.8 days) |
| Standard battery |  | Li-Ion 1200 mAhBuy powerbank
|
| Quick battery charging | | |
| Wireless battery charging | | |
| Internal memory | 25 MB | 16 GB |
| Memory cards |  microSD up to 4 GBBuy memory card | microSD, microSDHC up to 16 GBBuy memory card |
| Operating system | - | Symbian 9.3 |
| Interface | - | Series 60 3rd Edition |
| Processor | - | Qualcomm MSM6281 |
| Touchscreen | | |
| SAR (10g) | | 0,414 W/kg |
| DualSIM | | |
| Announced | | 3Q 2008 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | | 2100 |
| LTE standard | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Photo matrix | 2 Mpx | 8 Mpx |
| Resolution | 1600x1200 px | 3264x2448 px |
| Optical zoom | | |
| Digital zoom | 8x | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 176x144 px | 640x480 px |
| Video formats | MPEG4, H.263, 3GP | H.263, MPEG4 - 30 fps |
| Additional | - | - |
CAMERAS - FRONT
| First camera | | |
| Photo matrix | nd | 0.3 Mpx |
| Resolution | nd | 640x480 px |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.263, MPEG4 - 30 fps |
| 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 |
| HSDPA | | 7.20 Mbit/s |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | class 12 | class 12 |
| EDGE | class 12 | class 12 |
| Bluetooth | v2.0 | v2.0 EDR |
| A2DP Profile | | |
| HDMI | | |
| WiFi | | v802.11 b/g |
| WiFi frequencies | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v2.0 | v2.0 |
| GPS | | |
| A-GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | v5.0 | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | z RDS |
| MP3 | | |
| Stereo speakers | | 2 |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | AAC, AAC+, WMA, eAAC+ | AAC, AAC+, AMR, RA, WMA, eAAC+ |
| Polyphony | 64 voices | |
| Ring composer | | |
| Games | | |
| Java | MIDP 2.0 | MIDP 2.0 |
| 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 | | |