LG Quantum (C900K) vs ZTE X990 (Messenger edition)
Side by side comparison between LG Quantum vs ZTE X990 phones, differences, pros, cons and full specifications. What's the better?
,
vs
What's the better phone? LG Quantum (C900K)
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!
19 Advantages 
3 Advantages | 9 Common items in both devices |
| TFT LCD |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| FM (RDS) |
| +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 | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Change model | ||
| Model | Quantum (C900K) | X990 (Messenger edition) |
| Other model names | AT&T LG Quantum C900K, LG-C900K, LG Pacific | ZTE X990 Messenger edition by SFR |
| Country or region available | feature not registered | feature not registered |
| Brand | LG | ZTE |
| Release date | 11/9/2010 | 3/1/2010 |
| Depth | 15.2 millimeters (0.6 inches) | 11.8 millimeters (0.46 inches) |
| Size (width x height) | 59.5 x 119.5 millimeters (2.34 x 4.7 in) | 60.8 x 106.8 millimeters (2.39 x 4.2 in) |
| Weight | 176 grams (6.16 ounces) | 90 grams (3.15 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.5" inches | 2.4" inches |
| Screen-to-body ratio | ~49% (screen-to-body ratio) | ~27.5% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 320x240 pixels |
| Touchscreen | Capacitive Multitouch | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 267 PPI | 167 PPI |
| Colors | 16 million | 260 thousand |
| 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 | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| System version | Windows Phone 7.0 | Windows Mobile 6.5 Professional Titanium |
| Firmware update | Windows Phone 7.5 Refresh Tango | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 QSD8650 | feature not registered |
| CPU | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 200 | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| RAM memory | 512MB | feature not registered |
| Internal storage | 16GB | 128MB (5MB available) |
| External storage | Not supported | Until 8GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| 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 | 7.2/2 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Primary 3G network | UMTS 850/1900/2100 | Not supported |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE |
| 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 | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Back camera (main camera) | 5 megapixels | 2 megapixels |
| Main camera resolution | 2560x1920 pixels | 1600x1200 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | QCIF (176x144) |
| Flash | LED flash | 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 | Autofocus | Not supported |
| Touch focus | Not supported | feature not registered |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | Not supported | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| 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 | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | feature not registered |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| 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 | 2.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | Not supported |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 900 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 7 hours | 8 hours |
| Standby | 350 hours (14.6 days) | 480 hours (20 days) |
➕ Other features | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | WAP, HTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Fixed QWERTY keyboard |
| Miscellaneous | • Colors: Black • Bing Maps | • Colors: Black on white, Black on silver • Windows Live Messenger • Word, Excel, PowerPoint, OneNote, PDF viewer Java framework |
☢️ Radiation rate | ||
| LG Quantum (C900K) | ZTE X990 (Messenger edition) | |
| 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 |