Motorola ROKR EM35 vs LG Optimus U (US670)
Side by side comparison between Motorola ROKR EM35 vs LG Optimus U phones, differences, pros, cons and full specifications. What's the better?
,
vs
3.2"
TFT
TFT
320x480
3.1
MP
MP
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? LG Optimus U (US670)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
3 Advantages 
17 Advantages | 9 Common items in both devices |
| TFT LCD |
| (back) 3.1MP |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| +2 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Change model | ||
| Model | ROKR EM35 | Optimus U (US670) |
| Other model names | Motorola EM35, Motorola ROKR EM35 | US Cellular LG Optimus U US670, LG US670 |
| Country or region available |  (Global, International) |  USA |
| Brand | Motorola | LG |
| Release date | 3/31/2009 | 12/1/2010 |
| Depth | 16 millimeters (0.63 inches) | 13.2 millimeters (0.52 inches) |
| Size (width x height) | 49.5 x 107 millimeters (1.95 x 4.21 in) | 58.9 x 113.5 millimeters (2.32 x 4.47 in) |
| Weight | 116 grams (4.06 ounces) | 130 grams (4.55 ounces) |
| Build, materials | Plastic body | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.2" inches | 3.2" inches |
| Screen-to-body ratio | ~28.3% (screen-to-body ratio) | ~45.6% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 320x480 pixels |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 182 PPI | 180 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| System version | Proprietary OS | Android 2.2.2 Froyo |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Chipset | 32bit | 32bit: Qualcomm Snapdragon S1 MSM7627 |
| CPU | Single-core, 1 processor: Single-core | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| RAM memory | feature not registered | 512MB |
| Internal storage | 110MB | 512MB (140MB available) |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | Not supported |
| Maximum Download / Upload | 0.128 Mbps | 0.153 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | CDMA2000 EV-DO Rev A |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Back camera (main camera) | 3.1 megapixels | 3.1 megapixels |
| Main camera resolution | 2048x1536 pixels | 2048x1536 pixels |
| Video recording (primary) | QVGA (320x240) | VGA (640x480) 15 fps |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Autofocus |
| Touch focus | Not supported | feature not registered |
| Image stabilization | Not supported | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Not supported | Face detection |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, RV | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 2.1 + A2DP |
| WiFi | Not supported | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Sensors | Not supported | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Battery type | Li-Ion: lithium-ion (Removable) BC50 | Li-Ion: lithium-ion (Removable) LGIP-400N |
| Battery capacity | 780 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 6.7 hours | 5 hours |
| Standby | 400 hours (16.7 days) | 200 hours (8.3 days) |
➕ Other features | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (iTap), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Navigation scroll wheel • Screensavers and wallpapers • Operating System Linux/Java-based MOTOMAGX Java framework | • Colors: Blue • 2GB microSD included • LG 3Way Sync • HAC (M4/T4) • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| Motorola ROKR EM35 | LG Optimus U (US670) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |