Motorola Primus (XT621) vs LG Optimus 7Q (C900)
Side by side comparison between Motorola Primus vs LG Optimus 7Q phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Motorola Primus (XT621)
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!
8 Advantages 
5 Advantages | 25 Common items in both devices |
| TFT LCD |
| 16 million |
| 480x800 pixels |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| HD (1280x720) |
| +18 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 Primus (XT621) | LG Optimus 7Q (C900) | |
| Change model | ||
| Model | Primus (XT621) | Optimus 7Q (C900) |
| Other model names | Nextel Motorola Primus XT621, Motorola XT621 Primus | LG Optimus 7Q C900, LG-C900, LG Pacific |
| Country or region available |   (Global, International), (Latin America) | feature not registered |
| Brand | Motorola | LG |
| Release date | 1/1/2013 | 11/9/2010 |
| Depth | 12.3 millimeters (0.48 inches) | 15.2 millimeters (0.6 inches) |
| Size (width x height) | 60 x 119 millimeters (2.36 x 4.69 in) | 59.5 x 119.5 millimeters (2.34 x 4.7 in) |
| Weight | 145 grams (5.08 ounces) | 178 grams (6.23 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~63.8% (screen-to-body ratio) | ~49% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| System version | Android 2.3.6 Gingerbread | Windows Phone 7.0 |
| Firmware update | feature not registered | Windows Phone 7.5 Refresh Tango |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 32bit: Qualcomm Snapdragon S1 QSD8650 |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 205 | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| RAM memory | 1GB LPDDR2 | 512MB |
| Internal storage | 4GB (1GB available) | 16GB |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2 Mbps | 7.2/2 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | iDEN 800 UMTS 2100/1900/1700 | UMTS 900/1900/2100 - America: 850/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 Primus (XT621) | LG Optimus 7Q (C900) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 24 fps |
| Flash | LED flash | LED flash |
| 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 | Supported | Not supported |
| Image stabilization | Not supported | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| 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 Primus (XT621) | LG Optimus 7Q (C900) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, WMV |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Battery type | Li-Ion: lithium-ion (Removable) BP7X | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1860 mAh | 1500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 7 hours |
| Standby | feature not registered | 350 hours (14.6 days) |
➕ Other features | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push 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 | HTML, XHTML, Flash player | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable QWERTY keyboard |
| Miscellaneous | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot Java framework | • Colors: Black • Bing Maps |
☢️ Radiation rate | ||
| Motorola Primus (XT621) | LG Optimus 7Q (C900) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.23W/kg (head), 0.42W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.73W/kg (head), 0.31W/kg (body) | feature not registered |